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Bob The Magic Custodian



Summary: Everyone knows that when you give your assets to someone else, they always keep them safe. If this is true for individuals, it is certainly true for businesses.
Custodians always tell the truth and manage funds properly. They won't have any interest in taking the assets as an exchange operator would. Auditors tell the truth and can't be misled. That's because organizations that are regulated are incapable of lying and don't make mistakes.

First, some background. Here is a summary of how custodians make us more secure:

Previously, we might give Alice our crypto assets to hold. There were risks:

But "no worries", Alice has a custodian named Bob. Bob is dressed in a nice suit. He knows some politicians. And he drives a Porsche. "So you have nothing to worry about!". And look at all the benefits we get:
See - all problems are solved! All we have to worry about now is:
It's pretty simple. Before we had to trust Alice. Now we only have to trust Alice, Bob, and all the ways in which they communicate. Just think of how much more secure we are!

"On top of that", Bob assures us, "we're using a special wallet structure". Bob shows Alice a diagram. "We've broken the balance up and store it in lots of smaller wallets. That way", he assures her, "a thief can't take it all at once". And he points to a historic case where a large sum was taken "because it was stored in a single wallet... how stupid".
"Very early on, we used to have all the crypto in one wallet", he said, "and then one Christmas a hacker came and took it all. We call him the Grinch. Now we individually wrap each crypto and stick it under a binary search tree. The Grinch has never been back since."

"As well", Bob continues, "even if someone were to get in, we've got insurance. It covers all thefts and even coercion, collusion, and misplaced keys - only subject to the policy terms and conditions." And with that, he pulls out a phone-book sized contract and slams it on the desk with a thud. "Yep", he continues, "we're paying top dollar for one of the best policies in the country!"
"Can I read it?' Alice asks. "Sure," Bob says, "just as soon as our legal team is done with it. They're almost through the first chapter." He pauses, then continues. "And can you believe that sales guy Mike? He has the same year Porsche as me. I mean, what are the odds?"

"Do you use multi-sig?", Alice asks. "Absolutely!" Bob replies. "All our engineers are fully trained in multi-sig. Whenever we want to set up a new wallet, we generate 2 separate keys in an air-gapped process and store them in this proprietary system here. Look, it even requires the biometric signature from one of our team members to initiate any withdrawal." He demonstrates by pressing his thumb into the display. "We use a third-party cloud validation API to match the thumbprint and authorize each withdrawal. The keys are also backed up daily to an off-site third-party."
"Wow that's really impressive," Alice says, "but what if we need access for a withdrawal outside of office hours?" "Well that's no issue", Bob says, "just send us an email, call, or text message and we always have someone on staff to help out. Just another part of our strong commitment to all our customers!"

"What about Proof of Reserve?", Alice asks. "Of course", Bob replies, "though rather than publish any blockchain addresses or signed transaction, for privacy we just do a SHA256 refactoring of the inverse hash modulus for each UTXO nonce and combine the smart contract coefficient consensus in our hyperledger lightning node. But it's really simple to use." He pushes a button and a large green checkmark appears on a screen. "See - the algorithm ran through and reserves are proven."
"Wow", Alice says, "you really know your stuff! And that is easy to use! What about fiat balances?" "Yeah, we have an auditor too", Bob replies, "Been using him for a long time so we have quite a strong relationship going! We have special books we give him every year and he's very efficient! Checks the fiat, crypto, and everything all at once!"

"We used to have a nice offline multi-sig setup we've been using without issue for the past 5 years, but I think we'll move all our funds over to your facility," Alice says. "Awesome", Bob replies, "Thanks so much! This is perfect timing too - my Porsche got a dent on it this morning. We have the paperwork right over here." "Great!", Alice replies.
And with that, Alice gets out her pen and Bob gets the contract. "Don't worry", he says, "you can take your crypto-assets back anytime you like - just subject to our cancellation policy. Our annual management fees are also super low and we don't adjust them often".

How many holes have to exist for your funds to get stolen?
Just one.

Why are we taking a powerful offline multi-sig setup, widely used globally in hundreds of different/lacking regulatory environments with 0 breaches to date, and circumventing it by a demonstrably weak third party layer? And paying a great expense to do so?
If you go through the list of breaches in the past 2 years to highly credible organizations, you go through the list of major corporate frauds (only the ones we know about), you go through the list of all the times platforms have lost funds, you go through the list of times and ways that people have lost their crypto from identity theft, hot wallet exploits, extortion, etc... and then you go through this custodian with a fine-tooth comb and truly believe they have value to add far beyond what you could, sticking your funds in a wallet (or set of wallets) they control exclusively is the absolute worst possible way to take advantage of that security.

The best way to add security for crypto-assets is to make a stronger multi-sig. With one custodian, what you are doing is giving them your cryptocurrency and hoping they're honest, competent, and flawlessly secure. It's no different than storing it on a really secure exchange. Maybe the insurance will cover you. Didn't work for Bitpay in 2015. Didn't work for Yapizon in 2017. Insurance has never paid a claim in the entire history of cryptocurrency. But maybe you'll get lucky. Maybe your exact scenario will buck the trend and be what they're willing to cover. After the large deductible and hopefully without a long and expensive court battle.

And you want to advertise this increase in risk, the lapse of judgement, an accident waiting to happen, as though it's some kind of benefit to customers ("Free institutional-grade storage for your digital assets.")? And then some people are writing to the OSC that custodians should be mandatory for all funds on every exchange platform? That this somehow will make Canadians as a whole more secure or better protected compared with standard air-gapped multi-sig? On what planet?

Most of the problems in Canada stemmed from one thing - a lack of transparency. If Canadians had known what a joke Quadriga was - it wouldn't have grown to lose $400m from hard-working Canadians from coast to coast to coast. And Gerald Cotten would be in jail, not wherever he is now (at best, rotting peacefully). EZ-BTC and mister Dave Smilie would have been a tiny little scam to his friends, not a multi-million dollar fraud. Einstein would have got their act together or been shut down BEFORE losing millions and millions more in people's funds generously donated to criminals. MapleChange wouldn't have even been a thing. And maybe we'd know a little more about CoinTradeNewNote - like how much was lost in there. Almost all of the major losses with cryptocurrency exchanges involve deception with unbacked funds.
So it's great to see transparency reports from BitBuy and ShakePay where someone independently verified the backing. The only thing we don't have is:
It's not complicated to validate cryptocurrency assets. They need to exist, they need to be spendable, and they need to cover the total balances. There are plenty of credible people and firms across the country that have the capacity to reasonably perform this validation. Having more frequent checks by different, independent, parties who publish transparent reports is far more valuable than an annual check by a single "more credible/official" party who does the exact same basic checks and may or may not publish anything. Here's an example set of requirements that could be mandated:
There are ways to structure audits such that neither crypto assets nor customer information are ever put at risk, and both can still be properly validated and publicly verifiable. There are also ways to structure audits such that they are completely reasonable for small platforms and don't inhibit innovation in any way. By making the process as reasonable as possible, we can completely eliminate any reason/excuse that an honest platform would have for not being audited. That is arguable far more important than any incremental improvement we might get from mandating "the best of the best" accountants. Right now we have nothing mandated and tons of Canadians using offshore exchanges with no oversight whatsoever.

Transparency does not prove crypto assets are safe. CoinTradeNewNote, Flexcoin ($600k), and Canadian Bitcoins ($100k) are examples where crypto-assets were breached from platforms in Canada. All of them were online wallets and used no multi-sig as far as any records show. This is consistent with what we see globally - air-gapped multi-sig wallets have an impeccable record, while other schemes tend to suffer breach after breach. We don't actually know how much CoinTrader lost because there was no visibility. Rather than publishing details of what happened, the co-founder of CoinTrader silently moved on to found another platform - the "most trusted way to buy and sell crypto" - a site that has no information whatsoever (that I could find) on the storage practices and a FAQ advising that “[t]rading cryptocurrency is completely safe” and that having your own wallet is “entirely up to you! You can certainly keep cryptocurrency, or fiat, or both, on the app.” Doesn't sound like much was learned here, which is really sad to see.
It's not that complicated or unreasonable to set up a proper hardware wallet. Multi-sig can be learned in a single course. Something the equivalent complexity of a driver's license test could prevent all the cold storage exploits we've seen to date - even globally. Platform operators have a key advantage in detecting and preventing fraud - they know their customers far better than any custodian ever would. The best job that custodians can do is to find high integrity individuals and train them to form even better wallet signatories. Rather than mandating that all platforms expose themselves to arbitrary third party risks, regulations should center around ensuring that all signatories are background-checked, properly trained, and using proper procedures. We also need to make sure that signatories are empowered with rights and responsibilities to reject and report fraud. They need to know that they can safely challenge and delay a transaction - even if it turns out they made a mistake. We need to have an environment where mistakes are brought to the surface and dealt with. Not one where firms and people feel the need to hide what happened. In addition to a knowledge-based test, an auditor can privately interview each signatory to make sure they're not in coercive situations, and we should make sure they can freely and anonymously report any issues without threat of retaliation.
A proper multi-sig has each signature held by a separate person and is governed by policies and mutual decisions instead of a hierarchy. It includes at least one redundant signature. For best results, 3of4, 3of5, 3of6, 4of5, 4of6, 4of7, 5of6, or 5of7.

History has demonstrated over and over again the risk of hot wallets even to highly credible organizations. Nonetheless, many platforms have hot wallets for convenience. While such losses are generally compensated by platforms without issue (for example Poloniex, Bitstamp, Bitfinex, Gatecoin, Coincheck, Bithumb, Zaif, CoinBene, Binance, Bitrue, Bitpoint, Upbit, VinDAX, and now KuCoin), the public tends to focus more on cases that didn't end well. Regardless of what systems are employed, there is always some level of risk. For that reason, most members of the public would prefer to see third party insurance.
Rather than trying to convince third party profit-seekers to provide comprehensive insurance and then relying on an expensive and slow legal system to enforce against whatever legal loopholes they manage to find each and every time something goes wrong, insurance could be run through multiple exchange operators and regulators, with the shared interest of having a reputable industry, keeping costs down, and taking care of Canadians. For example, a 4 of 7 multi-sig insurance fund held between 5 independent exchange operators and 2 regulatory bodies. All Canadian exchanges could pay premiums at a set rate based on their needed coverage, with a higher price paid for hot wallet coverage (anything not an air-gapped multi-sig cold wallet). Such a model would be much cheaper to manage, offer better coverage, and be much more reliable to payout when needed. The kind of coverage you could have under this model is unheard of. You could even create something like the CDIC to protect Canadians who get their trading accounts hacked if they can sufficiently prove the loss is legitimate. In cases of fraud, gross negligence, or insolvency, the fund can be used to pay affected users directly (utilizing the last transparent balance report in the worst case), something which private insurance would never touch. While it's recommended to have official policies for coverage, a model where members vote would fully cover edge cases. (Could be similar to the Supreme Court where justices vote based on case law.)
Such a model could fully protect all Canadians across all platforms. You can have a fiat coverage governed by legal agreements, and crypto-asset coverage governed by both multi-sig and legal agreements. It could be practical, affordable, and inclusive.

Now, we are at a crossroads. We can happily give up our freedom, our innovation, and our money. We can pay hefty expenses to auditors, lawyers, and regulators year after year (and make no mistake - this cost will grow to many millions or even billions as the industry grows - and it will be borne by all Canadians on every platform because platforms are not going to eat up these costs at a loss). We can make it nearly impossible for any new platform to enter the marketplace, forcing Canadians to use the same stagnant platforms year after year. We can centralize and consolidate the entire industry into 2 or 3 big players and have everyone else fail (possibly to heavy losses of users of those platforms). And when a flawed security model doesn't work and gets breached, we can make it even more complicated with even more people in suits making big money doing the job that blockchain was supposed to do in the first place. We can build a system which is so intertwined and dependent on big government, traditional finance, and central bankers that it's future depends entirely on that of the fiat system, of fractional banking, and of government bail-outs. If we choose this path, as history has shown us over and over again, we can not go back, save for revolution. Our children and grandchildren will still be paying the consequences of what we decided today.
Or, we can find solutions that work. We can maintain an open and innovative environment while making the adjustments we need to make to fully protect Canadian investors and cryptocurrency users, giving easy and affordable access to cryptocurrency for all Canadians on the platform of their choice, and creating an environment in which entrepreneurs and problem solvers can bring those solutions forward easily. None of the above precludes innovation in any way, or adds any unreasonable cost - and these three policies would demonstrably eliminate or resolve all 109 historic cases as studied here - that's every single case researched so far going back to 2011. It includes every loss that was studied so far not just in Canada but globally as well.
Unfortunately, finding answers is the least challenging part. Far more challenging is to get platform operators and regulators to agree on anything. My last post got no response whatsoever, and while the OSC has told me they're happy for industry feedback, I believe my opinion alone is fairly meaningless. This takes the whole community working together to solve. So please let me know your thoughts. Please take the time to upvote and share this with people. Please - let's get this solved and not leave it up to other people to do.

Facts/background/sources (skip if you like):



Thoughts?
submitted by azoundria2 to QuadrigaInitiative [link] [comments]

How do I Buy Bitcoin & Crypto? - Pros & Cons of 5 Exchanges

Are you looking to start investing in cryptocurrency and wondering the best place to buy it? Or if you are in the US, are you wondering which crypto exchanges are legal for you to use? Below is a list of 5 cryptocurrency exchanges that, as of this post, are all legal for US citizens. I have also included a quick break down on the pros and cons of each exchange. This is not a complete list of every exchange available to US citizens as there are others, but these are my own personal top 5 based on characteristics such as ease of use, security, fees, liquidity and selection of available coins to trade. If you are not located in the US there is a good chance most of these exchanges are available to you as well, you will just need to check with the exchange and look up your own country's policies regarding the purchase of cryptocurrencies.
As you go through the list please keep in mind, while I do have them ranked 1 through 5, there is not a lot separating them and each of these exchanges offer something a little unique from the others. Everyone's investment goals and preferences are going to be a little different so my #5 exchange here could be your #1 based on your criteria. It is also pretty likely that if you end up wanting to invest in 5 or more coins at some point, no one exchange is going to have all of them available so you will likely need to open multiple accounts anyways. Okay, on to the list.

1) Binance US
Binance US is an offshoot of one of the largest cryptocurrency exchanges out there, Binance.com. They created Binance US in response to US citizens being banned from using their main exchange back in 2019. These two exchanges function much the same with the biggest difference being that Binance US has a slightly smaller pool of cryptos listed on their exchange, which currently is a little over 30 coins. Other than that, all of the great features of Binance.com that have helped it become one of the largest crypto exchanges in the world, apply to Binance US as well.
PROS
- Low Fees: Start at 0.10% spot trading fee and goes down from there depending on your trading frequency. You can also save an additional 25% off your trading fees by holding their native token BNB.
- High Trading Volume: Allows you to get in and out of your positions more easily.
- Coin Selection: Currently as of this writing there are over 30 different coins available to be traded.
- Reliability / Reputation: As one of the larger players in the crypto space, Binance is able to offer a bit of security as they are able to throw a lot of money at any potential problems with things like hackers. Binance US puts away a set portion of their earnings every month in a fund that acts as insurance against any funds that may be lost due to hackers. Back in 2019 they had an incident where 40 million dollars of crypto was stolen by hackers and they reimbursed every penny to their customers.
CONS
- Interface: Trading can be a little confusing for those not used to trading cryptocurrencies. While it is not too difficult to learn, a couple of the upcoming exchanges on my list are a little more user friendly for those who are new to the space.
All things considered, right now if I was getting started with Crypto trading in the US, Binance US would be the first account that I created. If you would like to open an account you can use the link below. If you are located outside of the United States I would suggest opening an account on the the original Binance.com exchange as they currently have a wider selection of cryptos to pick from. Below is a link for their sign up as well if you are interested.
Binance US Sign Up
Binance Sign Up (Non-US Citizens)

2) Crypto.com
Crypto.com is on a mission to be the leader in cryptocurrency adoption to the masses and is trying to bridge the gap between the worlds of blockchain and traditional finance. Along with trading cryptocurrencies they have programs on their app like Earn, Invest, Pay & Credit which you would find with more traditional finance companies. For instance, through their Earn program there are many coins you can earn interest on by locking them up for a set time period. Depending on the coin, how many MCO (Crypto.com native coin) you have staked and how long you keep your tokens locked up for, you can earn anywhere from 2% to 18% interest which a lot better than any bank is going to do for you these days.
One of the best features of Crypto.com, in my opinion, are their great eye-catching, metal crypto MCO reward credit cards. These cards pay you cashback, in the form of their MCO token, for all of your day to day purchases anywhere that VISA is accepted. Depending on which level of card you get, these credit cards reward 1% to 5% cashback on all spending along with other great benefits like free ATM & international withdrawals, 100% cashback on Spotify & Netflix subscriptions and airport lounge access. In order to get your hands on one of these cards you will need to open a Crypto.com account if you don’t already have one. There is good news if you don’t already have one, as new sign ups can get $50 worth of MCO tokens free by using the link and promo code I have posted below. Please note that the $50 of MCO tokens will remain locked until you deposit & stake at least 50 MCO tokens toward the sign up of the particular card you are interested in. If you want to know a little more about these cards you can check out method #3 in my earlier post 5 Easy Legitimate Ways to Earn Free Crypto where I go into a bit more detail on them. However, for the purpose of this post, let's get to some pros and cons of their exchange platform.
PROS
- Low Fees: Start at 0.20% and go lower from there depending on your trading volume.
- Coin Selection: Currently as of this writing there are 53 different coins available to be traded.
- Interface: Easy to use app that is very user friendly.- Customer Service: One of the best customer service programs in the industry if you need any help.
CONS
- App Only: No desktop version, all functions on the exchange must be done via their app.
- History: Founded in 2016 so they are still relatively new to the industry.
Crypto.com is a great option if you are looking to trade cryptocurrencies and also want to take advantage of things like their cash back VISA cards and Earn program that pay you great interest rates as you hold your coins. Below is a link you can use to sign up for a new account. If you are also interested in getting one of their MCO Visa cards, use the link below along with the promo code to get $50 of their MCO token free.
Crypto.com Sign Up
PROMO CODE: gapena3dq4

3) Coinbase Headquartered in San Francisco, Coinbase is the largest US-based crypto exchange with about 20 million current users. Like Crypto.com, they are trying to bring cryptocurrency trading to the masses through an easy to use interface and education. One way they try to educate their users is through their Coinbase Earn program where they offer free crypto for watching short educational videos teaching you about the various coins they offer on their exchange. I will not go into the details of that program here, but if you are interested in checking it out I go into a bit more detail on it in my post 5 Easy Legitimate Ways to Earn Free Crypto. Now on to some of the pros and cons.
PROS
- High Trading Volume: Allows you to get in and out of your positions easily.
- Interface: Easy to use desktop interface and trading mechanisms for those new to crypto trading.
- Insurance: Coinbase carries an insurance policy that covers 2% of all assets on the exchange and they keep the other 98% in cold storage.
CONS
- Fees: While their fee structure is not horrible, it is a bit higher than Crypto.com and Binance US. Crypto to crypto trading fees are at 0.50% / bank purchases at 1.49% / credit & debit card purchases at 3.99%.
- Coin Selection: Currently they only have about 20 coins to choose from, however they are looking to add a bunch more soon.
Coinbase is a solid choice for anyone looking to get started in crypto trading. If you would like to open an account you can use the link below which will get you $10 of free Bitcoin as a sign up bonus. Please note that to get the free $10 you must buy or sell $100 worth of crypto within 180 days of signing up.
Coinbase Sign Up

4) Robinhood
Robinhood is the pioneer of no fee trading for securities which is the main benefit of this exchange. It also is, to my knowledge, one of the few exchanges that allow you to trade both traditional stocks and cryptocurrencies. Technically their stock and crypto exchanges are separate entities, however you can seamlessly trade them both from the same account on their app. This is great for those who would like to get started trading in both crypto and traditional stocks but don't want to open multiple accounts. Or for those who might want to trade back and forth between stocks and crypto but don't want to have to transfer money between accounts to do so. Now to explore some other features of the Robinhood exchange let's get into the pros and cons.

PROS
- Fees: None (FREE!)
- Flexibility: Can trade multiple asset classes (Stocks, Crypto, ETFs, Options)
- Interface: Easy to use app that is very user friendly. Desktop version available as well.

CONS
- Coin Selection: Currently only offer 7 coins that can be traded (BTC, BCH, BSV, DOGE, ETH, ETC, LTC)
- Coin Mobility: Your coins must remain on the Robinhood exchange. You cannot transfer your coins to another exchange or withdraw them to put in your own digital wallets.
With their user friendly interface and no fees, Robinhood is very appealing for those just getting into crypto trading. If you are just looking to buy some of the higher cap coins like Bitcoin and Etherium, this exchange can be a good fit for you. However if you know there are some projects you would like to invest in that are not listed above, you may want to choose some of the other exchanges on this list, or both. If you are unsure at this point if you want to invest beyond coins like Bitcoin and Etherium in the future, it doesn't hurt to start here, get your feet wet and open another account down the road if you have other projects you get interested in. If you would like to open an account you can use the link below to get one free stock with sign up! This free stock will be valued somewhere between $2.50 and $200.
Robinhood Sign Up

5) Kraken
Kraken exchange is based out of the United States and was founded back in 2011. While there is no specific trait that blows away the competition with this exchange, it does most everything pretty well. Like most crypto exchanges at this point, your funds on there are not FDIC insured, however Kraken does keep a separate fund that serves as an insurance policy and is currently over 100 million dollars. They also show great transparency and compliance with programs like their Proof of Reserves which offers proof that they hold all of the funds that they say they do. Here is quick break down of their pros and cons.

PROS
- Low Fees: Range from 0.10% to 0.26% depending on your trading frequency.
- High Security: One of the best reputations in the industry for security.
- Coin Selection: Good but not great. Currently they have about 20 coins available for trading.

CONS
- Interface: Making trades can be a little confusing for beginners who are not familiar with their format. However with a couple quick tutorials most of you should be able to get familiar with it pretty quickly.
To open an account and begin trading with Kraken use the link below.
Kraken Sign Up

Interested in some ways you can passively earn free crypto?

Below is a link to a previous post that shares my best ways to earn free crypto in 2020 with the least amount of effort.
5 Easy Legitimate Ways to Earn Free Crypto
submitted by CaliBum16 to Crypto_General [link] [comments]

Best Exchanges to Buy Bitcoin & Crypto in the US (Pros & Cons)

Are you looking to start investing in cryptocurrency and wondering where the best place to buy it is? Or if you are in the US, are you wondering which crypto exchanges are legal for you to use? Below is a list of 5 cryptocurrency exchanges that, as of this post, are all legal for US citizens. I have also included a quick break down on the pros and cons of each exchange. This is not a complete list of every exchange available to US citizens as there are others, but these are my own personal top 5 based on characteristics such as ease of use, security, fees, liquidity and selection of available coins to trade. If you are not located in the US there is a good chance most of these exchanges are available to you as well, you will just need to check with the exchange and look up your own country's policies regarding the purchase of cryptocurrencies.
As you go through the list please keep in mind, while I do have them ranked 1 through 5, there is not a lot separating them and each of these exchanges offer something a little unique from the others. Everyone's investment goals and preferences are going to be a little different so my #5 exchange here could be your #1 based on your criteria. It is also pretty likely that if you end up wanting to invest in 5 or more coins at some point, no one exchange is going to have all of them available so you will likely need to open multiple accounts anyways. Okay, on to the list.

1) Binance US
Binance US is an offshoot of one of the largest cryptocurrency exchanges out there, Binance.com. They created Binance US in response to US citizens being banned from using their main exchange back in 2019. These two exchanges function much the same with the biggest difference being that Binance US has a slightly smaller pool of cryptos listed on their exchange, which currently is a little over 30 coins. Other than that, all of the great features of Binance.com that have helped it become one of the largest crypto exchanges in the world, apply to Binance US as well.

PROS
- Low Fees: Start at 0.10% spot trading fee and goes down from there depending on your trading frequency. You can also save an additional 25% off your trading fees by holding their native token BNB.
- High Trading Volume: Allows you to get in and out of your positions more easily.
- Coin Selection: Currently as of this writing there are over 30 different coins available to be traded.
- Reliability / Reputation: As one of the larger players in the crypto space, Binance is able to offer a bit of security as they are able to throw a lot of money at any potential problems with things like hackers. Binance US puts away a set portion of their earnings every month in a fund that acts as insurance against any funds that may be lost due to hackers. Back in 2019 they had an incident where 40 million dollars of crypto was stolen by hackers and they reimbursed every penny to their customers.
CONS
- Interface: Trading can be a little confusing for those not used to trading cryptocurrencies. While it is not too difficult to learn, a couple of the upcoming exchanges on my list are a little more user friendly for those who are new to the space.
All things considered, right now if I was getting started with Crypto trading in the US, Binance US would be the first account that I created. If you would like to open an account you can use the link below. If you are located outside of the United States I would suggest opening an account on the the original Binance.com exchange as they currently have a wider selection of cryptos to pick from. Below is a link for their sign up as well if you are interested.
Binance US Sign Up
Binance Sign Up (Non-US Citizens)

2) Crypto.com
Crypto.com is on a mission to be the leader in cryptocurrency adoption to the masses and is trying to bridge the gap between the worlds of blockchain and traditional finance. Along with trading cryptocurrencies they have programs on their app like Earn, Invest, Pay & Credit which you would find with more traditional finance companies. For instance, through their Earn program there are many coins you can earn interest on by locking them up for a set time period. Depending on the coin, how many MCO (Crypto.com native coin) you have staked and how long you keep your tokens locked up for, you can earn anywhere from 2% to 18% interest which a lot better than any bank is going to do for you these days.
One of the best features of Crypto.com, in my opinion, are their great eye-catching, metal crypto MCO reward credit cards. These cards pay you cashback, in the form of their MCO token, for all of your day to day purchases anywhere that VISA is accepted. Depending on which level of card you get, these credit cards reward 1% to 5% cashback on all spending along with other great benefits like free ATM & international withdrawals, 100% cashback on Spotify & Netflix subscriptions and airport lounge access. In order to get your hands on one of these cards you will need to open a Crypto.com account if you don’t already have one. There is good news if you don’t already have one, as new sign ups can get $50 worth of MCO tokens free by using the link and promo code I have posted below. Please note that the $50 of MCO tokens will remain locked until you deposit & stake at least 50 MCO tokens toward the sign up of the particular card you are interested in. If you want to know a little more about these cards you can check out method #3 in my earlier post 5 Easy Legitimate Ways to Earn Free Crypto where I go into a bit more detail on them. However, for the purpose of this post, let's get to some pros and cons of their exchange platform.

PROS
- Low Fees: Start at 0.20% and go lower from there depending on your trading volume.
- Coin Selection: Currently as of this writing there are 53 different coins available to be traded.
- Interface: Easy to use app that is very user friendly.- Customer Service: One of the best customer service programs in the industry if you need any help.

CONS
- App Only: No desktop version, all functions on the exchange must be done via their app.
- History: Founded in 2016 so they are still relatively new to the industry.

Crypto.com is a great option if you are looking to trade cryptocurrencies and also want to take advantage of things like their cash back VISA cards and Earn program that pay you great interest rates as you hold your coins. Below is a link you can use to sign up for a new account. If you are also interested in getting one of their MCO Visa cards, use the link below along with the promo code to get $50 of their MCO token free.

Crypto.com Sign Up
PROMO CODE: gapena3dq4


3) Coinbase Headquartered in San Francisco, Coinbase is the largest US-based crypto exchange with about 20 million current users. Like Crypto.com, they are trying to bring cryptocurrency trading to the masses through an easy to use interface and education. One way they try to educate their users is through their Coinbase Earn program where they offer free crypto for watching short educational videos teaching you about the various coins they offer on their exchange. I will not go into the details of that program here, but if you are interested in checking it out I go into a bit more detail on it in my post 5 Easy Legitimate Ways to Earn Free Crypto. Now on to some of the pros and cons.

PROS
- High Trading Volume: Allows you to get in and out of your positions easily.
- Interface: Easy to use desktop interface and trading mechanisms for those new to crypto trading.
- Insurance: Coinbase carries an insurance policy that covers 2% of all assets on the exchange and they keep the other 98% in cold storage.

CONS
- Fees: While their fee structure is not horrible, it is a bit higher than Crypto.com and Binance US. Crypto to crypto trading fees are at 0.50% / bank purchases at 1.49% / credit & debit card purchases at 3.99%.
- Coin Selection: Currently they only have about 20 coins to choose from, however they are looking to add a bunch more soon.
Coinbase is a solid choice for anyone looking to get started in crypto trading. If you would like to open an account you can use the link below which will get you $10 of free Bitcoin as a sign up bonus. Please note that to get the free $10 you must buy or sell $100 worth of crypto within 180 days of signing up.
Coinbase Sign Up

4) Robinhood
Robinhood is the pioneer of no fee trading for securities which is the main benefit of this exchange. It also is, to my knowledge, one of the few exchanges that allow you to trade both traditional stocks and cryptocurrencies. Technically their stock and crypto exchanges are separate entities, however you can seamlessly trade them both from the same account on their app. This is great for those who would like to get started trading in both crypto and traditional stocks but don't want to open multiple accounts. Or for those who might want to trade back and forth between stocks and crypto but don't want to have to transfer money between accounts to do so. Now to explore some other features of the Robinhood exchange let's get into the pros and cons.

PROS
- Fees: None (FREE!)
- Flexibility: Can trade multiple asset classes (Stocks, Crypto, ETFs, Options)
- Interface: Easy to use app that is very user friendly. Desktop version available as well.

CONS
- Coin Selection: Currently only offer 7 coins that can be traded (BTC, BCH, BSV, DOGE, ETH, ETC, LTC)
- Coin Mobility: Your coins must remain on the Robinhood exchange. You cannot transfer your coins to another exchange or withdraw them to put in your own digital wallets.

With their user friendly interface and no fees, Robinhood is very appealing for those just getting into crypto trading. If you are just looking to buy some of the higher cap coins like Bitcoin and Etherium, this exchange can be a good fit for you. However if you know there are some projects you would like to invest in that are not listed above, you may want to choose some of the other exchanges on this list, or both. If you are unsure at this point if you want to invest beyond coins like Bitcoin and Etherium in the future, it doesn't hurt to start here, get your feet wet and open another account down the road if you have other projects you get interested in. If you would like to open an account you can use the link below to get one free stock with sign up! This free stock will be valued somewhere between $2.50 and $200.
Robinhood Sign Up

5) Kraken
Kraken exchange is based out of the United States and was founded back in 2011. While there is no specific trait that blows away the competition with this exchange, it does most everything pretty well. Like most crypto exchanges at this point, your funds on there are not FDIC insured, however Kraken does keep a separate fund that serves as an insurance policy and is currently over 100 million dollars. They also show great transparency and compliance with programs like their Proof of Reserves which offers proof that they hold all of the funds that they say they do. Here is quick break down of their pros and cons.

PROS
- Low Fees: Range from 0.10% to 0.26% depending on your trading frequency.
- High Security: One of the best reputations in the industry for security.
- Coin Selection: Good but not great. Currently they have about 20 coins available for trading.

CONS
- Interface: Making trades can be a little confusing for beginners who are not familiar with their format. However with a couple quick tutorials most of you should be able to get familiar with it pretty quickly.
To open an account and begin trading with Kraken use the link below.
Kraken Sign Up

Interested in some ways you can passively earn free crypto?

Below is a link to a previous post that shares my best ways to earn free crypto in 2020 with the least amount of effort.
5 Easy Legitimate Ways to Earn Free Crypto
submitted by CaliBum16 to Crypto_General [link] [comments]

Crypto-Powered - The Most Promising Use-Cases of Decentralized Finance (DeFi)

Crypto-Powered - The Most Promising Use-Cases of Decentralized Finance (DeFi)
A whirlwind tour of Defi, paying close attention to protocols that we’re leveraging at Genesis Block.
https://reddit.com/link/hrrt21/video/cvjh5rrh12b51/player
This is the third post of Crypto-Powered — a new series that examines what it means for Genesis Block to be a digital bank that’s powered by crypto, blockchain, and decentralized protocols.
Last week we explored how building on legacy finance is a fool’s errand. The future of money belongs to those who build with crypto and blockchain at their core. We also started down the crypto rabbit hole, introducing Bitcoin, Ethereum, and DeFi (decentralized finance). That post is required reading if you hope to glean any value from the rest of this series.
97% of all activity on Ethereum in the last quarter has been DeFi-related. The total value sitting inside DeFi protocols is roughly $2B — double what it was a month ago. The explosive growth cannot be ignored. All signs suggest that Ethereum & DeFi are a Match Made in Heaven, and both on their way to finding strong product/market fit.
So in this post, we’re doing a whirlwind tour of DeFi. We look at specific examples and use-cases already in the wild and seeing strong growth. And we pay close attention to protocols that Genesis Block is integrating with. Alright, let’s dive in.

Stablecoins

Stablecoins are exactly what they sound like: cryptocurrencies that are stable. They are not meant to be volatile (like Bitcoin). These assets attempt to peg their price to some external reference (eg. USD or Gold). A non-volatile crypto asset can be incredibly useful for things like merchant payments, cross-border transfers, or storing wealth — becoming your own bank but without the stress of constant price volatility.
There are major governments and central banks that are experimenting with or soon launching their own stablecoins like China with their digital yuan and the US Federal Reserve with their digital dollar. There are also major corporations working in this area like JP Morgan with their JPM Coin, and of course Facebook with their Libra Project.
Stablecoin activity has grown 800% in the last year, with $290B of transaction volume (funds moving on-chain).
The most popular USD-pegged stablecoins include:
  1. Tether ($10B): It’s especially popular in Asia. It’s backed by USD in a bank account. But given their lack of transparency and past controversies, they generally aren’t trusted as much in the West.
  2. USDC ($1B): This is the most reputable USD-backed stablecoin, at least in the West. It was created by Coinbase & Circle, both well-regarded crypto companies. They’ve been very open and transparent with their audits and bank records.
  3. DAI ($189M): This is backed by other crypto assets — not USD in a bank account. This was arguably the first true DeFi protocol. The big benefit is that it’s more decentralized — it’s not controlled by any single organization. The downside is that the assets backing it can be volatile crypto assets (though it has mechanisms in place to mitigate that risk).
Other notable USD-backed stablecoins include PAX, TrueUSD, Binance USD, and Gemini Dollar.
tablecoins are playing an increasingly important role in the world of DeFi. In a way, they serve as common pipes & bridges between the various protocols.
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Lending & Borrowing

Three of the top five DeFi protocols relate to lending & borrowing. These popular lending protocols look very similar to traditional money markets. Users who want to earn interest/yield can deposit (lend) their funds into a pool of liquidity. Because it behaves similarly to traditional money markets, their funds are not locked, they can withdraw at any time. It’s highly liquid.
Borrowers can tap into this pool of liquidity and take out loans. Interest rates depend on the utilization rate of the pool — how much of the deposits in the pool have already been borrowed. Supply & demand. Thus, interest rates are variable and borrowers can pay their loans back at any time.
So, who decides how much a borrower can take? What’s the process like? Are there credit checks? How is credit-worthiness determined?
These protocols are decentralized, borderless, permissionless. The people participating in these markets are from all over the world. There is no simple way to verify identity or check credit history. So none of that happens.
Credit-worthiness is determined simply by how much crypto collateral the borrower puts into the protocol. For example, if a user wants to borrow $5k of USDC, then they’ll need to deposit $10k of BTC or ETH. The exact amount of collateral depends on the rules of the protocol — usually the more liquid the collateral asset, the more borrowing power the user can receive.
The most prominent lending protocols include Compound, Aave, Maker, and Atomic Loans. Recently, Compound has seen meteoric growth with the introduction of their COMP token — a token used to incentivize and reward participants of the protocol. There’s almost $1B in outstanding debt in the Compound protocol. Mainframe is also working on an exciting protocol in this area and the latest iteration of their white paper should be coming out soon.
There is very little economic risk to these protocols because all loans are overcollateralized.
I repeat, all loans are overcollateralized. If the value of the collateral depreciates significantly due to price volatility, there are sophisticated liquidation systems to ensure the loan always gets paid back.
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Investments

Buying, selling, and trading crypto assets is certainly one form of investing (though not for the faint of heart). But there are now DeFi protocols to facilitate making and managing traditional-style investments.
Through DeFi, you can invest in Gold. You can invest in stocks like Amazon and Apple. You can short Tesla. You can access the S&P 500. This is done through crypto-based synthetics — which gives users exposure to assets without needing to hold or own the underlying asset. This is all possible with protocols like UMA, Synthetix, or Market protocol.
Maybe your style of investing is more passive. With PoolTogether , you can participate in a no-loss lottery.
Maybe you’re an advanced trader and want to trade options or futures. You can do that with DeFi protocols like Convexity, Futureswap, and dYdX. Maybe you live on the wild side and trade on margin or leverage, you can do that with protocols like Fulcrum, Nuo, and DDEX. Or maybe you’re a degenerate gambler and want to bet against Trump in the upcoming election, you can do that on Augur.
And there are plenty of DeFi protocols to help with crypto investing. You could use Set Protocol if you need automated trading strategies. You could use Melonport if you’re an asset manager. You could use Balancer to automatically rebalance your portfolio.
With as little as $1, people all over the world can have access to the same investment opportunities and tools that used to be reserved for only the wealthy, or those lucky enough to be born in the right country.
You can start to imagine how services like Etrade, TD Ameritrade, Schwab, and even Robinhood could be massively disrupted by a crypto-native company that builds with these types of protocols at their foundation.
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Insurance

As mentioned in our previous post, there are near-infinite applications one can build on Ethereum. As a result, sometimes the code doesn’t work as expected. Bugs get through, it breaks. We’re still early in our industry. The tools, frameworks, and best practices are all still being established. Things can go wrong.
Sometimes the application just gets in a weird or bad state where funds can’t be recovered — like with what happened with Parity where $280M got frozen (yes, I lost some money in that). Sometimes, there are hackers who discover a vulnerability in the code and maliciously steal funds — like how dForce lost $25M a few months ago, or how The DAO lost $50M a few years ago. And sometimes the system works as designed, but the economic model behind it is flawed, so a clever user takes advantage of the system— like what recently happened with Balancer where they lost $500k.
There are a lot of risks when interacting with smart contracts and decentralized applications — especially for ones that haven’t stood the test of time. This is why insurance is such an important development in DeFi.
Insurance will be an essential component in helping this technology reach the masses.
Two protocols that are leading the way on DeFi insurance are Nexus Mutual and Opyn. Though they are both still just getting started, many people are already using them. And we’re excited to start working with them at Genesis Block.
https://preview.redd.it/wf1xvq3z12b51.png?width=700&format=png&auto=webp&s=70db1e9587f57d0c470a4f9f4523c216929e1876

Exchanges & Liquidity

Decentralized Exchanges (DEX) were one of the first and most developed categories in DeFi. A DEX allows a user to easily exchange one crypto asset for another crypto asset — but without needing to sign up for an account, verify identity, etc. It’s all via decentralized protocols.
Within the first 5 months of 2020, the top 7 DEX already achieved the 2019 trading volume. That was $2.5B. DeFi is fueling a lot of this growth.
https://preview.redd.it/1dwvq4e022b51.png?width=700&format=png&auto=webp&s=97a3d756f60239cd147031eb95fc2a981db55943
There are many different flavors of DEX. Some of the early ones included 0x, IDEX, and EtherDelta — all of which had a traditional order book model where buyers are matched with sellers.
Another flavor is the pooled liquidity approach where the price is determined algorithmically based on how much liquidity there is and how much the user wants to buy. This is known as an AMM (Automated Market Maker) — Uniswap and Bancor were early leaders here. Though lately, Balancer has seen incredible growth due mostly to their strong incentives for participation — similar to Compound.
There are some DEXs that are more specialized — for example, Curve and mStable focus mostly only stablecoins. Because of the proliferation of these decentralized exchanges, there are now aggregators that combine and connect the liquidity of many sources. Those include Kyber, Totle, 1Inch, and Dex.ag.
These decentralized exchanges are becoming more and more connected to DeFi because they provide an opportunity for yield and earning interest.
Users can earn passive income by supplying liquidity to these markets. It usually comes in the form of sharing transaction fee revenue (Uniswap) or token rewards (Balancer).
https://preview.redd.it/wrug6lg222b51.png?width=700&format=png&auto=webp&s=9c47a3f2e01426ca87d84b92c1e914db39ff773f

Payments

As it relates to making payments, much of the world is still stuck on plastic cards. We’re grateful to partner with Visa and launch the Genesis Block debit card… but we still don’t believe that's the future of payments. We see that as an important bridge between the past (legacy finance) and the future (crypto).
Our first post in this series shared more on why legacy finance is broken. We talked about the countless unnecessary middle-men on every card swipe (merchant, acquiring bank, processor, card network, issuing bank). We talked about the slow settlement times.
The future of payments will be much better. Yes, it’ll be from a mobile phone and the user experience will be similar to ApplePay (NFC) or WePay (QR Code).
But more importantly, the underlying assets being moved/exchanged will all be crypto — digital, permissionless, and open source.
Someone making a payment at the grocery store check-out line will be able to open up Genesis Block, use contactless tech or scan a QR code, and instantly pay for their goods. All using crypto. Likely a stablecoin. Settlement will be instant. All the middlemen getting their pound of flesh will be disintermediated. The merchant can make more and the user can spend less. Blockchain FTW!
Now let’s talk about a few projects working in this area. The xDai Burner Wallet experience was incredible at the ETHDenver event a few years ago, but that speed came at the expense of full decentralization (can it be censored or shut down?). Of course, Facebook’s Libra wants to become the new standard for global payments, but many are afraid to give Facebook that much control (newsflash: it isn’t very decentralized).
Bitcoin is decentralized… but it’s slow and volatile. There are strong projects like Lightning Network (Zap example) that are still trying to make it happen. Projects like Connext and OmiseGo are trying to help bring payments to Ethereum. The Flexa project is leveraging the gift card rails, which is a nice hack to leverage existing pipes. And if ETH 2.0 is as fast as they say it will be, then the future of payments could just be a stablecoin like DAI (a token on Ethereum).
In a way, being able to spend crypto on daily expenses is the holy grail of use-cases. It’s still early. It hasn’t yet been solved. But once we achieve this, then we can ultimately and finally say goodbye to the legacy banking & finance world. Employees can be paid in crypto. Employees can spend in crypto. It changes everything.
Legacy finance is hanging on by a thread, and it’s this use-case that they are still clinging to. Once solved, DeFi domination will be complete.
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Impact on Genesis Block

At Genesis Block, we’re excited to leverage these protocols and take this incredible technology to the world. Many of these protocols are already deeply integrated with our product. In fact, many are essential. The masses won’t know (or care about) what Tether, USDC, or DAI is. They think in dollars, euros, pounds and pesos. So while the user sees their local currency in the app, the underlying technology is all leveraging stablecoins. It’s all on “crypto rails.”
https://preview.redd.it/jajzttr622b51.png?width=700&format=png&auto=webp&s=fcf55cea1216a1d2fcc3bf327858b009965f9bf8
When users deposit assets into their Genesis Block account, they expect to earn interest. They expect that money to grow. We leverage many of these low-risk lending/exchange DeFi protocols. We lend into decentralized money markets like Compound — where all loans are overcollateralized. Or we supply liquidity to AMM exchanges like Balancer. This allows us to earn interest and generate yield for our depositors. We’re the experts so our users don’t need to be.
We haven’t yet integrated with any of the insurance or investment protocols — but we certainly plan on it. Our infrastructure is built with blockchain technology at the heart and our system is extensible — we’re ready to add assets and protocols when we feel they are ready, safe, secure, and stable. Many of these protocols are still in the experimental phase. It’s still early.
At Genesis Block we’re excited to continue to be at the frontlines of this incredible, innovative, technological revolution called DeFi.
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None of these powerful DeFi protocols will be replacing Robinhood, SoFi, or Venmo anytime soon. They never will. They aren’t meant to! We’ve discussed this before, these are low-level protocols that need killer applications, like Genesis Block.
So now that we’ve gone a little deeper down the rabbit hole and we’ve done this whirlwind tour of DeFi, the natural next question is: why?
Why does any of it matter?
Most of these financial services that DeFi offers already exist in the real world. So why does it need to be on a blockchain? Why does it need to be decentralized? What new value is unlocked? Next post, we answer these important questions.
To look at more projects in DeFi, check out DeFi Prime, DeFi Pulse, or Consensys.
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Follow our social channels:https://genesisblock.com/follow/
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What Is Proof of Work (PoW)?

What Is Proof of Work (PoW)?
Contents
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Introduction
Proof of Work (commonly abbreviated to PoW) is a mechanism for preventing double-spends. Most major cryptocurrencies use this as their consensus algorithm. That’s just what we call a method for securing the cryptocurrency’s ledger.
Proof of Work was the first consensus algorithm to surface, and, to date, remains the dominant one. It was introduced by Satoshi Nakamoto in the 2008 Bitcoin white paper, but the technology itself was conceived long before then.
Adam Back’s HashCash is an early example of a Proof of Work algorithm in the pre-cryptocurrency days. By requiring senders to perform a small amount of computing before sending an email, receivers could mitigate spam. This computation would cost virtually nothing to a legitimate sender, but quickly add up for someone sending emails en masse.

What is a double-spend?

A double-spend occurs when the same funds are spent more than once. The term is used almost exclusively in the context of digital money — after all, you’d have a hard time spending the same physical cash twice. When you pay for a coffee today, you hand cash over to a cashier who probably locks it in a register. You can’t go to the coffee shop across the road and pay for another coffee with the same bill.
In digital cash schemes, there’s the possibility that you could. You’ve surely duplicated a computer file before — you just copy and paste it. You can email the same file to ten, twenty, fifty people.
Since digital money is just data, you need to prevent people from copying and spending the same units in different places. Otherwise, your currency will collapse in no time.
For a more in-depth look at double-spending, check out Double Spending Explained.

Why is Proof of Work necessary?

If you’ve read our guide to blockchain technology, you’ll know that users broadcast transactions to the network. Those transactions aren’t immediately considered valid, though. That only happens when they get added to the blockchain.
The blockchain is a big database that every user can see, so they can check if funds have been spent before. Picture it like this: you and three friends have a notepad. Anytime one of you wants to make a transfer of whatever units you’re using, you write it down — Alice pays Bob five units, Bob pays Carol two units, etc.
There’s another intricacy here — each time you make a transaction, you refer to the transaction where the funds came from. So, if Bob was paying Carol with two units, the entry would actually look like the following: Bob pays Carol two units from this earlier transaction with Alice.
Now, we have a way to track the units. If Bob tries to make another transaction using the same units he just sent to Carol, everyone will know immediately. The group won’t allow the transaction to be added to the notepad.
Now, this might work well in a small group. Everyone knows each other, so they’ll probably agree on which of the friends should add transactions to the notepad. What if we want a group of 10,000 participants? The notepad idea doesn’t scale well, because nobody wants to trust a stranger to manage it.
This is where Proof of Work comes in. It ensures that users aren’t spending money that they don’t have the right to spend. By using a combination of game theory and cryptography, a PoW algorithm enables anyone to update the blockchain according to the rules of the system.

How does PoW work?

Our notepad above is the blockchain. But we don’t add transactions one by one — instead, we lump them into blocks. We announce the transactions to the network, then users creating a block will include them in a candidate block. The transactions will only be considered valid once their candidate block becomes a confirmed block, meaning that it has been added to the blockchain.
Appending a block isn’t cheap, however. Proof of Work requires that a miner (the user creating the block) uses up some of their own resources for the privilege. That resource is computing power, which is used to hash the block’s data until a solution to a puzzle is found.
Hashing the block’s data means that you pass it through a hashing function to generate a block hash. The block hash works like a “fingerprint” — it’s an identity for your input data and is unique to each block.
It’s virtually impossible to reverse a block hash to get the input data. Knowing an input, however, it’s trivial for you to confirm that the hash is correct. You just have to submit the input through the function and check if the output is the same.
In Proof of Work, you must provide data whose hash matches certain conditions. But you don’t know how to get there. Your only option is to pass your data through a hash function and to check if it matches the conditions. If it doesn’t, you’ll have to change your data slightly to get a different hash. Changing even one character in your data will result in a totally different result, so there’s no way of predicting what an output might be.
As a result, if you want to create a block, you’re playing a guessing game. You typically take information on all of the transactions that you want to add and some other important data, then hash it all together. But since your dataset won’t change, you need to add a piece of information that is variable. Otherwise, you would always get the same hash as output. This variable data is what we call a nonce. It’s a number that you’ll change with every attempt, so you’re getting a different hash every time. And this is what we call mining.
Summing up, mining is the process of gathering blockchain data and hashing it along with a nonce until you find a particular hash. If you find a hash that satisfies the conditions set out by the protocol, you get the right to broadcast the new block to the network. At this point, the other participants of the network update their blockchains to include the new block.
For major cryptocurrencies today, the conditions are incredibly challenging to satisfy. The higher the hash rate on the network, the more difficult it is to find a valid hash. This is done to ensure that blocks aren’t found too quickly.
As you can imagine, trying to guess massive amounts of hashes can be costly on your computer. You’re wasting computational cycles and electricity. But the protocol will reward you with cryptocurrency if you find a valid hash.
Let’s recap what we know so far:
  • It’s expensive for you to mine.
  • You’re rewarded if you produce a valid block.
  • Knowing an input, a user can easily check its hash — non-mining users can verify that a block is valid without expending much computational power.
So far, so good. But what if you try to cheat? What’s to stop you from putting a bunch of fraudulent transactions into the block and producing a valid hash?
That’s where public-key cryptography comes in. We won’t go into depth in this article, but check out What is Public-Key Cryptography? for a comprehensive look at it. In short, we use some neat cryptographic tricks that allow any user to verify whether someone has a right to move the funds they’re attempting to spend.
When you create a transaction, you sign it. Anyone on the network can compare your signature with your public key, and check whether they match. They’ll also check if you can actually spend your funds and that the sum of your inputs is higher than the sum of your outputs (i.e., that you’re not spending more than you have).
Any block that includes an invalid transaction will be automatically rejected by the network. It’s expensive for you to even attempt to cheat. You’ll waste your own resources without any reward.
Therein lies the beauty of Proof of Work: it makes it expensive to cheat, but profitable to act honestly. Any rational miner will be seeking ROI, so they can be expected to behave in a way that guarantees revenue.

Proof of Work vs. Proof of Stake

There are many consensus algorithms, but one of the most highly-anticipated ones is Proof of Stake (PoS). The concept dates back to 2011, and has been implemented in some smaller protocols. But it has yet to see adoption in any of the big blockchains.
In Proof of Stake systems, miners are replaced with validators. There’s no mining involved and no race to guess hashes. Instead, users are randomly selected — if they’re picked, they must propose (or “forge”) a block. If the block is valid, they’ll receive a reward made up of the fees from the block’s transactions.
Not just any user can be selected, though — the protocol chooses them based on a number of factors. To be eligible, participants must lock up a stake, which is a predetermined amount of the blockchain’s native currency. The stake works like bail: just as defendants put up a large sum of money to disincentivize them from skipping trial, validators lock up a stake to disincentivize cheating. If they act dishonestly, their stake (or a portion of it) will be taken.
Proof of Stake does have some benefits over Proof of Work. The most notable one is the smaller carbon footprint — since there’s no need for high-powered mining farms in PoS, the electricity consumed is only a fraction of that consumed in PoW.
That said, it has nowhere near the track record of PoW. Although it could be perceived as wasteful, mining is the only consensus algorithm that’s proven itself at scale. In just over a decade, it has secured trillions of dollars worth of transactions. To say with certainty whether PoS can rival its security, staking needs to be properly tested in the wild.

Closing thoughts

Proof of Work was the original solution to the double-spend problem and has proven to be reliable and secure. Bitcoin proved that we don’t need centralized entities to prevent the same funds from being spent twice. With clever use of cryptography, hash functions, and game theory, participants in a decentralized environment can agree on the state of a financial database.
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The world economy is on the verge of crisis again, cryptocurrencies will be strong

Vulnerability refers to the property that things are vulnerable to damage when faced with fluctuations.
-Nassim Nicholas Taleb
In the face of economic fluctuations, it is disadvantageous to hold such a negative view. Every capital market has its own life cycle, which inevitably goes through a process from growth, to peak, and then to recession. Now is no exception. As we emerge from the longest bull market in history, we suddenly find ourselves in a highly vulnerable global economy facing the panicked and perplexed planet unprepared. However, the turmoil has just begun.
Newton's first law, also known as "the law of inertia", means that any object must maintain a constant linear motion or standstill until an external force forces it to change its state of motion. Although this analogy does not perfectly correspond to the capital market (because the market is always changing and developing in different directions), at least one thing is certain that under the action of the market mechanism, the market cycle always appears Trend from peak to valley.
The music box winds up, and the performance of the song sounds, and then it stops after a while. When this happens, the market structure collapses, eventually leading to huge chaos, and then falling into silence. Once external forces force the entire economy into trouble, people will realize the long-standing hidden structural defects in the economy.
Now, the world economy is on the verge of crisis again. All human beings have to face a sudden outbreak of a global epidemic and the resulting shocks in supply and demand in the market. The economies of some countries have stalled. Ironically, the effects of inertia may be prevalent in market fluctuations.
While witnessing the development of the global economy, we still find two simultaneous macro trends:
--1-- USD strong We believe that the strong US dollar is driven by three factors: Investors turn to safe assets: Despite the Fed ’s interest rate cuts and monetary stimulus policies, the market ’s increasing demand for the US dollar has pushed up the US dollar index and hit a new high in 18 years.
US Dollar Financing Issues: Cross-currency basis swaps measure that investors are more inclined to hold the US dollar than the euro or the yen.
On March 17, the euro-dollar basis swap swap premium expanded from -60 basis points to -120 basis points, the highest level since 2011. As of press time, the Euro-US dollar basis swap has rapidly dropped to about -27 basis points, while the US dollar-Japanese yen basis swap has expanded to -70 basis points. Negative basis points indicate greater pressure on the dollar and higher hedging costs for European and Japanese investors.
The reality is that U.S. banks, which are the main source of funding for the U.S. dollar, are storing large amounts of cash instead of actively issuing short-term U.S. dollar loans to foreign banks. Due to recent pressure from the balance sheet, more and more U.S. banks are beginning to reduce credit lines to retain cash. In addition, many foreign banks that lack direct access to the US dollar market can only rely on central bank liquidity swaps for financing. This week, the Fed and several other central banks opened new liquidity swap tools, providing USD 30 billion to USD 60 billion of liquidity, respectively, to ease pressure on USD financing.
Central banks in emerging market countries are taking urgent steps and lowering their benchmark interest rates: Emerging market investors are very worried about the stability of their currencies and are pouring into the dollar market. According to Bloomberg, all major emerging market currencies weakened against the US dollar on January 20, just as the new crown virus began to spread in Asia.
——2—— Treasury liquidity tightening Abnormally performing credit markets: In general, price fluctuations will prompt investors to switch from risky assets (such as stocks) to safe-haven assets (such as bonds). This was indeed the case when the new coronavirus was causing panic. However, the current despair of liquidity (especially cash) by market investors has led to a large-scale sell-off in the global bond market, falling bond prices and rising interest rates.
Repurchase market: The Federal Reserve's rescue measures have not brought the expected results. In the past week, the Federal Reserve announced three repurchases and other measures to release liquidity, hoping to ease the current state of the US Treasury market and reduce the inventory of primary dealers. However, market demand for government bonds remains sluggish.
Let's turn our eyes from the home of the macro economy to the cryptocurrency market. Although they are not necessarily related, we find that the two are closely related.
In the face of volatility, it is particularly important to develop a price action strategy. The CBOE-VIX index, an indicator that predicts the trend of the S & P 500 in the next 30 days, has surged to its highest level since the last global financial crisis. At the same time, we also saw that the 90-day implied volatility of Bitcoin options rose to 6.8% (annualized 130%), which is about 5.9% (annualized 113%) this weekend. As the "Black Thursday" on March 12th, BTC was down 40% and ETH was down 50%, some leveraged positions were forced to close. According to reports, BitMEX alone closed USD 700 million worth of long and short positions. At the same time, the sell-off of ETH dropped the value of the DeFi ecosystem by 40%. The total amount of collateral liquidation of Compound, dYdX and Maker and other lending platforms reached US $ 10 million. But in this turbulent market, not all assets perform so badly.
Although the price of BTC, like the stock market at the beginning, plummeted, falling by 60% from the high price in mid-February, it rebounded by about 50% from the price low on March 12. Over the past period, we have found a large amount of funds flowing from altcoins to BTC. With the spot premium (the spot price is higher than the futures price), the demand for bitcoin lending has increased. The effective fund interest rate also gradually returned to normal as the curve was inverted. In contrast, when futures are at a premium (the futures price is higher than the spot price), there is almost no demand for BTC's lending transactions. At present, the BTC funding rate on various lending platforms has increased from 3-5% to 8%, and the ETH funding rate has increased from 2-4% to 6%.
——3—— Floating profit stablecoin market Since February 14, the entire cryptocurrency market has experienced a large-scale sell-off, with a market value of $ 45 billion evaporated. At the same time, the market value of USDT has risen to nearly $ 5 billion. USDT has emerged from this market volatility and has become a safe-haven asset. This week, the premium rate of USDT prices in China and South Korea is as high as 7%, which is caused by the demand of payment service providers and arbitrage traders. The current over-the-counter USDT supply exceeds supply. At the same time, the market value of USDC climbed to US $ 630 million, a record high. The market value of BUSD is exceeding the US $ 150 million mark, mainly due to the surge in demand for Binance's borrowing and margin trading.
——4—— Near-term outlook We pay close attention to the changing macroeconomic trends and the successive monetary and fiscal policies implemented by governments around the world. Although we cannot predict the specific trend of the market, we still believe that cryptocurrency as an asset class will be strong. In a nutshell, we think:
● Due to the recent sell-off in the market, the value of positions has shrunk sharply, making the distribution of positions in the market clearer.
● With the exit of market makers, the spread between major exchanges has brought more market arbitrage opportunities for retail traders. In particular, the derivatives market (futures and perpetual swaps) has seen a significant discount compared to the spot market, which has pushed up BTC's lending rate.
● By hedging the spot and long futures, market participants can carry out arbitrage trading, which is completely contrary to the market situation we saw last year (the futures price is significantly higher than the spot).
● Over the past six months, trading activities in the options market have grown rapidly. We expect that trading activities in the options market will continue to grow.
● At present, on our platform, institutional clients such as hedge funds, arbitrage traders, crypto companies, etc. have all bought a lot of BTC and USDT.
Market volatility is part of investment. We believe that after a period of time, the economy will re-enter the upward trajectory, please let us work together for it.
submitted by FmzQuant to u/FmzQuant [link] [comments]

[EU] [FIAT GATEWAY] Bitvavo.com is a new fiat ramp for NANO!

Hello dear NANO'ers,

I come with great news. Bitvavo - a DUTCH exchange, secretly has fully implemented NANO on their exchange! This means you can buy AND sell NANO for Euros! Bitvavo is a DUTCH exchange, under Dutch/European law, having its HQ within the Netherlands. This is AMAZING. I made a post about Bitvavo adding nanos last year, back then you couldnt send/withdraw NANO (so it was fully artificial), but now its fully operational!

Why is this a big deal? Its an European exchange, falling under European laws (Dutch to be precise). Since i live in the Netherlands, this to me is just amazing. The dutch are a meticulously kind of folk. Dutch laws are quite strong and complicated and regulations are strong here. To have a working fiat ramp exchange that hasnt been shutdown by authorities, means it has a certain degree of Trustworthiness (at least for me and Dutch laws, which are stricter then European laws mostly).

Is it any good? Well, i first deposited euro's on the website (which you cant hold for longer then 5 days, since it isnt a bank and certain laws are preventing that), which went 'pretty' fast. I bought nano's with it (which was instant), and then i withdrew NANO's from it...which went through in SECONDS. Yes. Seconds. I put the order in, went to Binance to check things out and literally a few seconds later i heard the ping from CANOE. I couldnt believe it lol. I actually was in awe and suddenly became extremely enthusiastic, and immediately bought more lol.

What about fees? They take maketrader fees of 0.25%. In my eyes, that isnt much. For withdrawal they also have fee, but its around 0.00025 nano if im right. Its crazy low. And crazy fast.

Are there any negative parts? Well, its a dutch company but it isnt coinbase. If the whole world flocks towards it, i can see the website going down because the server can't hold that weight. This is theoretically, but those who experienced the 2017 run know that a lot of exchanges either went down (for a few hours/days) or stopped accepting new registrations because their servers couldnt handle it. I feel the same is with Bitvavo, its a small dutch exchange, not a big one.

Other negative parts? I don't think they have much nano lol. After my first purchase i was SO impressed with the speed and low cost of it, i bought more. The second time i bought, i received a message that this was going to be processed manually. For the long run i cant see this being a problem, it just means they have to buy more NANO, which will only help NANO :)

Now besides those, you do need to do a KYC, and i havent read in about any international KYC. The KYC is necessary for you to trade on the exchange. For me, i had to link my bank account to my account on Bitvavo (the same way you do it with Paypal). You can only send/receive money from/to your (linked) bank account to Bitvavo (if through IDEAL, not sure about SEPA etc). I find this acceptable to be honest for a EUROPEAN/trustworthy fiat gateway.

Payment methods (including fees):

It has been a while since i sold crypto for Euro's on the site, but it worked pretty fast. The next day, the money was sitting in my bank account :) it wasnt much though (around 100 euros), but it passed the test for me back then. Unless we go in to a massive bullrun, i prob wont be selling my NANO for fiat anytime soon anyways. I am more searching for ways to pay internet services for NANO :) Hopefully one day we can pay for everyday things with NANO, like groceries or liqueur etc.

Bitvavo has many many other coins too (besides btc,eth, xrp) like ADA, ICX, IOTA, Vechain, NEO etc. So if you want to trade your NANO with other crypto's, it is another way besides Binance (though i would still use binance for it).

THis is a huge step. For very low cost, and extremely fast speed, we (Europeans in general) have an amazing gateway towards NANO. Together with Coingate integration of NANO, and NANO amazing ease of use - i cant see any other way besides NANO becoming a smashing succes.

The only weird thing about this is Bitvavo own marketing. They did this all in silent, for reasons unknown to me since this is HUGE news for me (and a lot of Dutch/European citizens that have access to IDEAL).

Now, i have to SHILL NANO a bit more here, because i am really getting hyped once again. I feel even more positive about NANO then back in dec 2017 to be honest.

Remember guys, NANO is just at #48 in CMC. 48! While its utility is much better then 99% of ALL crypto! Infact, NANO is the ONLY usuable crypto RIGHT NOW besides maybe Eth for Dapps. Look at the marketcap of LTC, which in EVERY aspect is a worse coin then NANO. Then calculate how much a single NANO would be worth if it would have LTC marketcap... NANO has STILL SO MUCH to grow, its crazy. Its like getting Bitcoin back in 2011/2013.

Pay for your products online FASTER and more reliable AND cheaper then Paypal (conversation rate), credit card (% rate per month/year) or bank. Since V18 has come out i have been EXTREMELY impressed by NANO. So much that i have doubled my (relatively small) stack and i have (once again) started to accumulate slowly. News like this (Bitvavo) just makes me more hyped for NANO. Together with a website where i can actually buy their services with NANO - and i am planning to use it more, i cant be more positive. NANO may have had a hard time in 2018 price wise, but DAMN the team has done an amazing job with its tech throughout the bear market.

Mad props to you Colin AND your amazing team. Props to Coingate for having an amazing service too! Once NANO has been proven to scale to 1k+ (with 7K being a nicely goal) + an automatically representative node assignment through wallets (to make NANO more decentralized), i cant see nano NOT becoming a top 10 - or even a top 5 coin. As a payment coin, NANO truly knows no equal!

EDIT: a MAJOR edit here, before you guys get TOO excited. PLEASE look in to the exchange pricing too! Bitvavo might be selling (or probably IS) NANO for a higher rate then for example Binance (this is apart from maketaker fee and withdrawal fee!). It isnt the same price as you pay on Binance, with the conversion rate. So for the same EUUSD, you will get less NANO compared to Binance (if you could pay directly for it). So keep that in mind, u/dotcoml said it actually was 2%. I personally didnt bother doing the math nor do i mind a 2% fee to exchange my fiat for NANO (it still is better then credit card, and for its speed/usability, i dont mind paying 2% more compared to FIAT either), but it still is 2%. Keep this in mind!

EDIT2: other users are reporting Bitvavo actually having LOWER prices then Binance :) please check it out for yourself!
submitted by Redac07 to nanocurrency [link] [comments]

Daily analysis of cryptocurrencies 20190902(Market index 28 — Fear state)

Daily analysis of cryptocurrencies 20190902(Market index 28 — Fear state)

https://preview.redd.it/p0xah7daf6k31.jpg?width=1200&format=pjpg&auto=webp&s=b03f9baaa572026afde7db4556fa3b5fd2a3c288
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Craig Wright asked the lawsuit to be postponed for 14 days and questioned the judge’s decision to hand over nearly 500,000 bitcoins According to the court documents filed on August 30, Craig Wright initiated a motion to extend the ongoing lawsuit for 14 days and challenged the presiding judge Bruce Reinhart’s previous ruling. The document also shows that Wright’s team needs more time and staff to prepare, as Hurricane Dorian is expected to land in Florida in the coming weeks. A recent document claimed that Wright “does not recognize” that magistrate Reinhart has the right to issue an order determined in the ruling, and his legal counsel needs sufficient time to challenge him. According to previous news, in the court documents released on August 27, District Judge Bruce Reinhart confirmed that Craig Wright had to give Kleiman 50% of the 1.1 million bitcoins he claimed to be jointly mined with Kleiman between 2009 and 2011, while Craig Wright is required to compensate Kleiman for intellectual property fees associated with Bitcoin software. In addition, Craig Wright was asked to pay the attorney’s fees and the costs associated with the bill. Also The court also found that Craig Wright had dishonestly debated, perjury and acknowledged false evidence during the motion.
Argentine central bank restricts buying dollars, or stimulates local bitcoin demand According to a report by Bloomberg on September 1, the Central Bank of Argentina imposed restrictions on the purchase of the US dollar to reinvigorate its falling French currency, the Argentine peso. According to a statement issued by the central bank on Sunday, the monthly purchase of dollars by Argentine individuals will be limited to less than $10,000, and any amount exceeding the limit will require special permission. In addition, exporters must settle their foreign exchange earnings in the local market within 5 days. No company is allowed to accumulate dollars. The central bank said that these measures are aimed at “maintaining exchange rate stability and protecting depositors.” In recent years, Argentina has shown a strong interest in Bitcoin, and as the uncertainty surrounding economic growth intensifies, Bitcoin trading volume has accelerated. Last month, the country’s cryptocurrency exchanges showed a premium. Some speculate that the demand for bitcoin, an uncontrollable cross-border asset, should increase further. A large amount of data shows that the amount of Argentine pesos that Argentines traded on the peer-to-peer cryptocurrency platform increased last week, and this trend is likely to continue if the situation in the country is similar to Venezuela.
The blockchain project received funding from the Scottish government to monitor gluten-free oats using blockchain technology The Scottish government-backed Scotland’s Rural College (SRUC) project allocated £94,66 to a blockchain project to support the development of a digital ledger system to monitor gluten-free oatmeal. Through this network, manufacturers can provide traceability and source, and fundamentally improve the supply chain.

Encrypted project calendar(September 02, 2019)

AE/Aeternity: The third phase of Aeternity token (AE) main network migration will end on September 2nd. PLPillar: The Pillar (PLR) Pillar community will participate in a creative strategy seminar hosted by experiencehaus in London, UK on September 2nd. LA/LAToken: The LAToken (LA) LATOKEN community will host an investor reception in London, England on September 2nd.

Encrypted project calendar(September 03, 2019)

WAN/Wanchain: Wanwei Chain Wanchain (WAN) will be launched on September 3rd based on POS mechanism mining function

Encrypted project calendar(September 04, 2019)

BCH/Bitcoin Cash: The City Conference will be held in North Queensland, Australia from September 4th to 5th, 2019. BETHEBethereum: Bethereum will conduct a user airdrop token plan on September 4th

Encrypted project calendar(September 05, 2019)

CS/Credits: Credits (cs) began to map some of the main network tokens on September 5th. ENG/Enigma: The Enigma(ENG)Enigma community will host a gathering and seminar in Boston on September 5. BTC/Bitcoin: Blockchain Africa conference organizers will host the first cryptocurrency festival in South Africa on September 5. AGI/SingularityNET: SingularityNET (AGI) SingularityNET community Ben Goertzel will attend the Asia Innovation Summit on September 5th and will deliver a speech.

Encrypted project calendar(September 06, 2019)

BTC/Bitcoin: Bakkt official Twitter said that Bakkt Warehouse will begin to provide Bitcoin secure storage services to customers on September 6. VEX/Vexanium: The Vexanium (VEX) DApps competition will end on September 6th with a total of 1.1 million VEX awards, the first of which will receive 350,000 VEX.

Encrypted project calendar(September 12, 2019)

BNB/Binance Coin: Coin Security will stop providing services to US users on Binance.com on September 12th BCN/Bytecoin: Bytecoin (BCN) will release Copper v3.6.0 on September 12th

Encrypted project calendar(September 13, 2019)

ETC/Ethereum Classic: ETC or will perform Atlantis hard fork on September 13th

Encrypted project calendar(September 14, 2019)

BTC/Bitcoin: The European Union will launch its name, Payment Services Directive 2 (PSD2), which will take effect on September 14. The new law includes banks implementing “strong customer certification”. In addition, according to previous news, PSD2 can obtain some of the functions of the banking industry, providing new payment solutions for encryption products.

Encrypted project calendar(September 15, 2019)

TRX/TRON: Wave field TRON launches side chain plan Sun Network network three-phase release WAN/Wanchain: Wanchain (WAN) will hold a 3Q community conference call in mid-September

Encrypted project calendar(September 16, 2019)

LINK/ChainLink: Chainlink (LINK) Oracle will host the Oracle Code One conference from September 16th to September 19th, at which it will announce the launch of 50 startups with Chainlink. MANA/Decentraland: The Decentraland (MANA) community will host the SDK hackathon on September 16.

Encrypted project calendar(September 20, 2019)

NULS / NULS: The NULS 2.0 Beta hackathon will be held from September 20th to September 21st, 2019.
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BTC continued to go up from yesterday to today, reaching a maximum of nearly $9,900. In the past 24 hours, the net inflow of BTC funds was close to $650 million, which was significantly increased compared with the previous cycle. Recently, BTC continued to rebound slightly, the daily line to see the details touched the yellow line triangle area on the lower track, the overall volume can continue to shrink, bull strength is not strong. The day is concerned about whether BTC can continue to move up and break through the resistance area of $9800–10000. Breakthrough failures are likely to be retreated again, with support below focusing on the vicinity of $9,500. In terms of operation, close to $9,850 above can be considered for moderate position reduction. If no position temporarily then there is no need to act rashly.
Review previous articles: https://medium.com/@to.liuwen
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5 most promising Altcoins for long-term investments | Coinscapture

5 most promising Altcoins for long-term investments | Coinscapture

After the success of Bitcoin and the rise in the price of the first-ever cryptocurrency, many new coins were developed in cryptoworld. In simple words, any coin other than bitcoin is termed as “Altcoins”. These coins are created by tweaking the Bitcoin's or any other existing cryptocurrencies protocol. In the growing world of cryptocurrency, there are more than 3000 cryptocurrencies which came into existence and so it is a tough job to choose the right Altcoin to invest in it. Here are the 5 most promising Altcoins that can help you to narrow your search.
Disclaimer: This guide should not be considered as financial advice. It is highly recommended to do appropriate market research before any investments.

Litecoin

After the successful launch of Bitcoin, Litecoin was the next one to enter the Cryptoworld in 2011. Charlie Lee - a computer scientist created Litecoin by making some technical changes in the bitcoin’s source-code and made it the fastest peer-to-peer currency that enabled instant, near-zero cost payments to anyone across the world. Also, litecoin has a total supply of 84 million with an average block mining time of 2.5 minutes.

Reasons why to choose Litecoin as a Long-Term Investment

  • Improved: Litecoin algorithm is generally easier to mine but difficult to crack The bitcoin mining is highly processed intensive requiring, application-specific integrated circuit devices with high processing capabilities, while Litecoin mining is memory-intensive requiring less cost-intensive graphics processing units (GPU).
  • Faster block-processing rate: The technical changes done on Bitcoin’s source-code allows Litecoin to processes a block at a much faster rate and giving out rewards to the miner faster in every 2.5 minutes as compared to Bitcoin which processes a block in every 10 minutes. Litecoin network have more capacity to handle the transactions than bitcoin's network
  • SegWit upgrade: Litecoin's SegWit upgrade boost the capacity of the number of transactions a block can hold in litecoin's blockchain, thereby speeding up the transaction settlement times and lowering transaction costs.
  • Higher trading volume: The trading of Litecoin has begun since 2011 and since then it was in the top 10 list of coins. The popularity of Litecoins is so much that you won't face any problem selling them in the future which brings less fear of having risk as compared to other new coins.

Ethereum

Ethereum is the second-largest digital currency introduces Vitalik Buterin in late 2015. It has been a popular choice in many industries as its cool feature named Smart Contracts helps developers to build decentralized applications (dApps) on top of its (i.e. Ethereum's) blockchain which helps to avoid fraud, downtime, and control or interference from a third party. Ethereum can also be used for banking and financial service contracts, ICOS, prediction markets, replacing escrow, identity management. The Enterprise Ethereum Alliance founded in 2017 has over 200 organizations that are testing on various versions of Ethereum's blockchain in different industries. Ethereum has a circulating supply of 106,376,346 ETH, the market capitalization of $26,307, 580,992 and faster transaction of 6 minutes as compared to Bitcoin.

Reasons why to choose Ethereum as a Long-Term Investment

  • Multi-purpose usage- Other than trading Ethereum can be used for ICOs, prediction markets, building tokens and many more ways that very few cryptocurrencies can do as good as Ethereum.
  • Safety: The apps built on Ethereum’s blockchain termed as dApps or decentralized apps are significantly safer and more resistant to hacking than the software you use now.
  • Smart contracts: The smart contract feature offers significant business benefits over more traditional conventional forms of cloud computing and transaction-clearing.
  • Initial Coin Offerings: Ethereum is used ICOs (Initial Coin Offerings) that means it acts as a launchpad for new tokens which thereby makes it a valuable platform and price will increase with its use.

Ripple

Ripple is the hot choice in banking and financial institutions as it can be used as an intermediary for quick transaction-processing and settlement service; allowing to transact directly and instantly across national borders. XRP currently has a fast transaction processing time of about 4 seconds and a cheap transaction fee about $0.004 per transaction (which is less than half a cent). It has a circulating supply of 42,181,995,112 and a market capitalization of around 17 billion USD.

Reasons why to choose Ripple as a Long-Term Investment

  • Well distributed: Ripple is an open-source technology, built on the principles of blockchain with an increasing set of validators.
  • Highly Scalable: XRP has the potential to handle 1,500 transactions per second, 24x7, and can scale to deal with a similar throughput as Visa.
  • Highly Stable: The most stable record of Ripple makes it ready for institutional and enterprise use.
  • Global Bank partners: Ripple has partnered with over 100 banks like Bank of America, UBS, Standard Chartered, Barclays, JP Morgan, Santander, and American Express.

Stellar

Stellar offers the fastest and the cheapest online payment and cross-border payment services as compared to the other large companies. Also, it does not use proof of work verification which is time and energy consuming which allows processing a transaction in approx 5 seconds. It has a market capitalization of $2,378,213,121 and a circulating supply of 19.331,689,641.

Reasons why to choose Stellar as a Long-Term Investment

  • Low-cost transactions: Stellar’s payment protocol prioritizes profit, the low transaction time and high operational efficiency translates to a lower cost of transactions.
  • Currency exchanger: Stellar’s platform also acts as a currency exchanger between government-backed currencies, such as dollars to euros.
  • Creating tokens: Launching a token on the Stellar platform is super easy because of the simple programming.
  • Tech elements: Stellar can integrate with elements such as blockchain smart contracts, and multi signatures that enhances the functionality of the payment protocol

Binance Coin

Binance coin is the official coin of the Binance platform that offers a stage for trading cryptocurrencies. Binance is soon launching its own decentralized exchange, Binance DEX that would be available on all platforms, such as Windows, Linux, Mac OS, iOS and Android. BNB has a market capitalization of 4 billion USD and a circulating supply of 141,175,490.

Reasons why to choose Binance Coin a Long-Term Investment

  • Discounts: BNB can be used not only to pay сommissions for transactions on the exchange and also to get additional discounts for each purchase and exchange via Binance
  • Team: BNB has a great team that is ambitious and experienced in the cryptocurrency world
  • Referrals: BNB coin offers a smart referral scheme which attracts many users and thereby grows the platform’s adoption
  • Loyalty: BNB coin is the only cryptocurrency that rewards customers for their loyalty and creating a fair ecosystem within Binance
    https://coinscapture.com/blog/5-most-promising-altcoins-for-long-term-investments
submitted by coinscapturecom to u/coinscapturecom [link] [comments]

Blockchain Wallets

Hello! My name is Inna Halahuz, I am a sales manager at Platinum, the largest listing service provider for the STO and ICO projects. We know all about the best and most useful STO and ICO marketing services.
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What a Blockchain Wallet is? What is its purpose?
Find the answer after reading this article.
Public/Private Key
The public key is the digital code you give to someone that wants to transfer ownership of a unit of cryptocurrency to you; and a private key is what you need to be able to unlock your own wallet to transfer a unit of a cryptocurrency to someone else. The encoding of information within a wallet is done by the private and public keys. That is the main component of the encryption that maintains the security of the wallet. Both keys function in simultaneous encryption systems called symmetric and asymmetric encryption. The former, alternatively known as private key encryption, makes use of the same key for encryption and decryption. The latter, asymmetric encryption, utilizes two keys, the public and private key, wherein a message-sender encrypts the message with the public key, and the recipient decodes it with their private key. The public key uses asymmetric algorithms that convert messages into an unreadable format. A person who possesses a public key can encrypt the message for a specific receiver.
Accessing wallets
Methods of wallet access vary depending on the type of wallet being used. Various types of currency wallets on an exchange will normally be accessed via the exchange’s entrance portal, normally involving a combination of a username/password and optionally, 2FA (Two factor authentication, which we explain in more detail later). Whereas hardware wallets need to be connected to an internet enabled device, and then have a pin code entered manually by the user in possession of the hardware wallet in order for access to be gained. Phone wallets are accessed through the device on which the wallet application has been downloaded. Ordinarily, a passcode and/or security pattern must be entered before entry is granted, in addition to 2FA for withdrawals.
Satoshi Nakamoto built the Satoshi client which evolved into Bitcoin in 2009. This software allowed users to create wallets and send money to other addresses. However, it proved to be a nightmarish user experience, with many transactions being sent to incorrect addresses and private keys being lost. The MtGox (Magic the Gathering Online exchange, named after the original intended use of the exchange) incident, which will be covered in greater detail later, serves as a reminder of the dangers present in the cryptosphere regarding security, and the need to constantly upgrade your defenses against all potential hacks. The resulting loss of 850k BTC is a still unresolved problem, weighing heavily on the victims and the markets at large. This caused a huge push for a constantly evolving and improving focus on security. Exchanges that developed later, and are thus considered more legitimate and secure, such as Gemini and Coinbase, put a much greater emphasis on vigilance as a direct result of the MtGox hacking incident. We also saw the evolution of wallet security into the physical realm with the creation of hardware wallets, most notable among them the Ledger and Trezor wallets.
Types of Wallets & Storage Methods
The simplest way to sift through the dozens of cryptocurrency storage methods available today, is to divide them up into digital and non-digital, software and hardware wallets. There are also less commonly used methods of storage of private keys, like paper wallets and brain wallets. We will examine them all at least briefly, because in the course of your interaction with cryptocurrencies and Blockchain technology, it is essential to master all the different types of hardware and software wallets. Another distinction must be made between hot wallets and cold wallets. A hot wallet is one that is connected to the internet, and a cold wallet is one that is not. Fun fact: The level below cold storage, deep cold storage has just recently been implemented by the Regal RA DMCC, a subsidiary of an internationally renowned gold trading company licensed in the Middle East. After having been granted a crypto trading license, Regal RA launched their “deep cold” storage solution for traders and investors, which offers the ability to store crypto assets in vaults deep below the Almas Tower in Dubai. This storage method is so secure that at no point is the vault connected to a network or the internet; meaning the owners of the assets can be sure that the private keys are known only to the rightful owners.
Lets take a quick look at specific features and functionality of varieties of crypto wallets. Software wallets: wallet applications installed on a laptop, desktop, phone or tablet. Web Wallets: A hot wallet by definition. Web Wallets are accessible through the web browser on your phone or computer. The most important feature to recognize about any kind of web wallet, is that the private keys are held and managed by a trusted third party. MyEtherWallet is the most commonly used non-exchange web wallet, but it can only be used to store Ethereum and ERC-20 tokens.
Though the avenue of access to MEW is through the web, it is not strictly speaking a web wallet, though this label will suffice for the time being. The MEW site gives you the ability to create a new wallet so you can store your ETH yourself. All the data is created and stored on your CPU rather than their servers. This makes MEW a hybrid kind of web wallet and desktop wallet. Exchange Wallets: A form of Web Wallet contained within an exchange. An exchange will hold a wallet for each individual variety of cryptocurrency you hold on that exchange. Desktop Wallets: A software program downloaded onto your computer or tablet hard drive that usually holds only one kind of cryptocurrency. The Nano Wallet (Formerly Raiwallet) and Neon wallet for storage of NEO and NEP-5 tokens are notable examples of desktop wallets Phone Wallets: These are apps downloaded onto a mobile phone that function in the same manner as a desktop wallet, but actually can hold many different kinds of cryptocurrency. The Eidoo Wallet for storing Ethereum and its associated tokens and Blockchain Wallet which currently is configured to hold BTC, ETH and Bitcoin Cash, are some of the most widely used examples.
Hardware wallets — LedgeTrezoAlternatives
Hardware wallets are basically physical pathways and keys to the unique location of your crypto assets on the Blockchain. These are thought to be more secure than any variety of web wallet because the private key is stored within your own hard wallet, an actual physical device. This forcibly removes the risk your online wallet, or your exchange counter party, might be hacked in the same manner as MtGox. In hardware wallet transactions, the wallet’s API creates the transaction when a user requests a payment. An API is a set of functions that facilitates the creation of applications that interact and access features or data of an operating system. The hardware then signs the transaction, and produces a public key, which is given to the network. This means the signing keys never leave the hardware wallet. The user must both enter a personal identification number and physically press buttons on the hardware wallet in order to gain access to their Blockchain wallet address through this method, and do the same to initiate transfers.
Paper Wallets
Possibly the safest form of cryptocurrency storage in terms of avoiding hacking, Paper Wallets are an offline form of crypto storage that is free to set up, and probably the most secure way for users, from beginners to experts, to hold on to their crypto assets. To say it simply, paper wallets are an offline cold storage method of storing cryptocurrency. This includes actually printing out your public and private keys on a piece of paper, which you then store and save in a secure place. The keys are printed in the form of QR codes which you can scan in the future for all your transactions. The reason why it is so safe is that it gives complete control to you, the user. You do not need to worry about the security or condition of a piece of hardware, nor do you have to worry about hackers on the net, or any other piece of malware. You just need to take care of one piece of paper!
Real World Historical Examples of Different Wallet Types
Web Wallet: Blockchain.info Brief mechanism & Security Blockchain.info is both a cryptocurrency wallet, supporting Bitcoin, Ethereum and Bitcoin cash, and also a block explorer service. The wallet service provided by blockchain.info has both a Web Wallet, and mobile phone application wallet, both of which involve signing up with an email address, and both have downloadable private keys. Two Factor Authentication is enabled for transfers from the web and mobile wallets, as well as email confirmation (as with most withdrawals from exchanges). Phone Wallet: Eidoo The Eidoo wallet is a multi-currency mobile phone app wallet for storage of Ethereum and ERC-20 tokens. The security level is the standard phone wallet level of email registration, confirmation, password login, and 2 factor authentication used in all transfers out. You may find small volumes of different varieties of cryptocurrencies randomly turning up in your Eidoo wallet address. Certain projects have deals with individual wallets to allow for “airdrops” to take place of a particular token into the wallet, without the consent of the wallet holder. There is no need to be alarmed, and the security of the wallet is not in any way compromised by these airdrops.
Neon Wallet
The NEON wallet sets the standard for web wallets in terms of security and user-friendly functionality. This wallet is only designed for storing NEO, Gas, and NEP-5 tokens (Ontology, Deep Brain Chain, RPX etc.). As with all single-currency wallets, be forewarned, if you send the wrong cryptocurrency type to a wallet for which it is not designed, you will probably lose your tokens or coins. MyEtherWallet My Ether Wallet, often referred to as MEW, is the most widely used and highly regarded wallet for Ethereum and its related ERC-20 tokens. You can access your MEW account with a hardware wallet, or a different program. Or you can also get access by typing or copying in your private key. However, you should understand this method is the least safe way possible,and therefore is the most likely to result in a hack. Hardware: TrezoLedger Brief History Mechanism and Security A hardware wallet is a physical key to your on-chain wallet location, with the private keys contained within a secure sector of the device. Your private key never leaves your hardware wallet. This is one of the safest possible methods of access to your crypto assets. Many people feel like the hardware wallet strikes the right balance between security, peace of mind, and convenience. Paper Wallet Paper wallets can be generated at various websites, such as https://bitcoinpaperwallet.com/ and https://walletgenerator.net/. They enable wallet holders to store their private keys totally offline, in as secure a manner as is possible.
Real World Example — Poor Practices
MtGox Hack history effects and security considerations MtGox was the largest cryptocurrency exchange in the world before it was hacked in 2014. They were handling over 70% of BTC transactions before they were forced to liquidate their business. The biggest theft of cryptocurrency in history began when the private keys for the hot wallets were stolen in 2011 from a wallet.dat file, possibly by hacking, possibly by a rogue employee. Over the course of the next 3 years the hot wallets were emptied of approximately 650000 BTC. The hacker only needed wallet.dat file to access and make transfers from the hot wallet, as wallet encryption was only in operation from the time of the Bitcoin 0.4.0 release on Sept 23rd 2011. Even as the wallets were being emptied, the employees at Mt Gox were apparently oblivious to what was taking place. It seems that Mt Gox workers were interpreting these withdrawals as large transfers being made to more secure wallets. The former CEO of the exchange, Mark Karpeles, is currently on trial for embezzlement and faces up to 5 years in prison if found guilty. The Mt Gox hack precipitated the acceleration of security improvements on other exchanges, for wallets, and the architecture of bitcoin itself. As a rule of thumb, no small-to-medium scale crypto holders should use exchange wallets as a long-term storage solution. Investors and experienced traders may do this to take advantage of market fluctuations, but exchange wallets are perhaps the most prone to hacking, and storing assets on exchanges for an extended time is one of the riskiest ways to hold your assets.
In a case strikingly similar to the MtGox of 2011–2014, the operators of the BitGrail exchange “discovered” that approximately 17 million XRB ($195 million worth in early 2018) were missing. The operators of the exchange were inexplicably still accepting deposits, long after they knew about the hack. Then they proceeded to block withdrawals from non-EU users. And then they even requested a hard fork of the code to restore the funds. This would have meant the entire XRB Blockchain would have had to accept all transactions from their first “invalid” transaction that were invalid, and rollback the ledger. The BitGrailexchange attempted to open operations in May 2018 but was immediately forced to close by order of the Italian courts. BitGrail did not institute mandatory KYC (Know your customer) procedures for their clients until after the theft had been reported, and allegedly months after the hack was visible. They also did not have 2 factor authentication mandatory for withdrawals. All big, and very costly mistakes.
Case Study: Good Practice Binance, the Attempted Hack
During the 2017 bull run, China-based exchange Binance quickly rose to the status of biggest altcoin exchange in the world, boasting daily volumes that surged to over $4 billion per day in late December. Unfortunately, this success attracted the attention of some crafty hackers. These hackers purchased domain names that were confusingly similar to “binance.com”. And then they created sufficiently convincing replica websites so they could phish traders for their login information. After obtaining this vital info, the scammers created API keys to place large buy orders for VIAcoin, an obscure, low volume digital currency. Those large buy orders spiked VIA’s price. Within minutes they traded the artificially high-priced VIA for BTC. Then they immediately made withdrawal requests from the hacked BTC wallets to wallets outside of the exchange. Almost a perfect fait accompli! But, Binance’s “automating risk management system” kicked in, as it should, and all withdrawals were temporarily suspended, resulting in a foiled hacking attempt.
Software Wallets Web/Desktop/Phone/Exchange Advantages and Limitations
As we said before, it is inadvisable to store crypto assets in exchange wallets, and, to a lesser extent, Web Wallets. The specific reason we say that is because you need to deliver your private keys into the hands of another party, and rely on that website or exchange to keep your private key, and thus your assets, safe. The advantages of the less-secure exchange or web wallets, are the speed at which you can transfer assets into another currency, or into another exchange for sale or for arbitrage purposes. Despite the convenience factor, all software wallets will at some point have been connected to the internet or a network. So, you can never be 100% sure that your system has not been infected with malware, or some kind of keylogging software, that will allow a third party to record your passwords or private keys. How well the type of storage method limits your contact with such hazards is a good way to rate the security of said variety of wallet. Of all the software wallets, desktop and mobile wallets are the most secure because you download and store your own private key, preferably on a different system. By taking the responsibility of private key storage you can be sure that only one person has possession of it, and that is you! Thereby greatly increasing the security of your crypto assets. By having their assets in a desktop wallet, traders can guard their private key and enjoy the associated heightened security levels, as well keep their assets just one swift transfer away from an exchange.
Hardware Wallets Advantages and Limitations
We briefly touched on the features and operation of the two most popular hardware wallets currently on the market, the Ledger and Trezor wallets. Now it will be helpful to take a closer look into the pros and cons of the hardware wallet storage method. With hardware wallets, the private keys are stored within a protected area of the microcontroller, and they are prevented from being exported out of the device in plain text. They are fortified with state-of-the-art cryptography that makes them immune to computer viruses and malware. And much of the time, the software is open source, which allows user validation of the entire performance of the device. The advantages of a hardware wallet over the perhaps more secure paper wallet method of crypto storage is the interactive user experience, and also the fact that the private key must at some stage be downloaded in order to use the paper wallet. The main disadvantage of a hardware wallet is the time-consuming extra steps needed to transfer funds out of this mode of storage to an exchange, which could conceivably result in some traders missing out on profits. But with security being the main concern of the vast majority of holders, investors and traders too, this slight drawback is largely inconsequential in most situations.
Paper Wallets Advantages and Limitations
Paper wallets are thought by some to be the safest way to store your crypto assets, or more specifically, the best method of guarding the pathways to your assets on the Blockchain. By printing out your private key information, the route to your assets on the Blockchain is stored 100% offline (apart from the act of printing the private key out, the entire process is totally offline). This means that you will not run the risk of being infected with malware or become the victim of keylogging scams. The main drawback of using paper wallets is that you are in effect putting all your eggs in one basket, and if the physical document is destroyed, you will lose access to your crypto assets forever.
Key things to keep in mind about your Wallet Security: Recovery Phrases/Private Key Storage/2FA/Email Security
Recovery phrases are used to recover the on-chain location for your wallet with your assets for hardware wallets like ledgers and Trezors that have been lost. When you purchase a new ledger for example, you just have to set it up again by entering the recovery phrase into the display and the lost wallets will appear with your assets intact. Private key storage is of paramount importance to maintain the safety of your on-chain assets! This should be done in paper wallet form, or stored offline on a different computer, or USB device, from the one you would typically use to connect to the 2 Factor Authentication (2FA) sometimes known as “two step authentication”. This feature offers an extra security layer when withdrawing funds from cryptocurrency wallets. A specialized app, most commonly Google Authenticator, is synced up to the exchange to provide a constantly changing code. This code must be entered within a short time window to initiate transfers, or to log into an exchange, if it has also been enabled for that purpose.
You must always consider the level of fees, or the amount of Gas, that will be needed to carry out the transaction. In times of high network activity Gas prices can be quite high. In fact, in December 2017 network fees became so high that some Bitcoin transactions became absolutely unfeasible. But that was basically due to the anomalous network congestion caused by frantic trading of Bitcoin as it was skyrocketing in value. When copying wallet addresses, double check and triple check that they are correct. If you make a mistake and enter an incorrect address, it is most likely your funds will be irretrievably lost; you will never see those particular assets again. Also check that you haven’t input the address of another one of your wallets that is designed to hold a different variety of cryptocurrency. You would similarly run the very great risk of losing your funds forever. Or, at the very least, if you have sent the wrong crypto to a large exchange wallet, for example on Coinbase, maybe you could eventually get those funds back, but it would still entail a long and unenjoyable wait.
How to Monitor Funds
There are two ways to monitor you funds and your wallets. The first is by searching for individual wallet addresses on websites specifically designed to let you view all the transactions on a particular Blockchain. The other is to store a copy of your wallet contents on an application that tracks the prices of all cryptocurrencies. Blockchain.info is the block explorer for Bitcoin, and it allows you to track all wallet movements so you can view your holdings and all the historical transactions within the wallet. The Ethereum blockchain’s block explorer is called Ether scanner, and it functions in the same way. There is a rival to Ether scanner produced by the Jibrel Network, called JSearch which will be released soon. JSearch will aim to offer a more streamlined and faster search method for Ethereum blockchain transactions. There are many different kinds of block explorer for each individual crypto currency, including nanoexplorer.io for Nano (formerly Rai Blocks) and Neotracker for NEO. If you simply want to view the value of your portfolio, the Delta and Blockfolio apps allow you to easily do that. But they are not actually linked to your specific wallet address, they just show price movements and total value of the coins you want to monitor.
That’s not all! You can learn how to transfer and monitor the funds in and out of your wallet by clicking on the link.
To be continued!
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