Satoshi to Bitcoin, USD and other currencies converter
Satoshi to Bitcoin, USD and other currencies converter
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What is the best cryptocurrency to invest in right now?
What is the best cryptocurrency to invest in right now?
Traders worry every day about which cryptocurrency to invest in. The crypto market, however, is still difficult to predict. There is no simple answer as to which coins will win the race in 2020. The guarantee: Bitcoin Bitcoin will always be a good investment. Satoshi Nakamoto’s invention continues to lead in terms of market capitalization and trade volume. Almost every crypto exchange can trade Bitcoin and it is the cryptocurrency that is used the most. If you can or just want to invest in a single cryptocurrency, Bitcoin is always a good choice. The first true peer-to-peer currency is still the number 1 cryptocurrencies. So far, there is no indication that Bitcoin will be thrown from the throne in the foreseeable future. The next Bitcoin Halving will also take place in 2020. This means that fewer coins are distributed during mining. The available amount grows more slowly, so that every single coin becomes more valuable as soon as the demand increases. Many investors expect price increases after halving. It is not guaranteed that Bitcoin will experience the biggest growth in 2020. But it’s the most stable cryptocurrency to invest so far. Advantages: – Strongest market dominance, largest trading volume – The most widely used cryptocurrency worldwide – Secure facility Bitcoin alternatives Bitcoin clones could also be a safe investment: cryptocurrencies such as Bitcoin Cash (BCH), Bitcoin Gold (BTG), Litecoin (LTC) or Bitcoin SV (BSV). These cryptocurrencies are mostly faster and more technically advanced than Bitcoin, but will not be able to break its market dominance in the foreseeable future. They have the same purpose: digital means of payment for the Internet. Your prices often move parallel to the Bitcoin price, but can also rise or fall with a time delay. Some of them have the potential to grow faster than their template, but it is not guaranteed. – Good alternative to diversification – Potential for big price gains Binance Coin (BNB) The Binance Coin (BNB) is the cryptocurrency of the largest exchange in the world: Binance. The Exchange has expanded considerably in recent years and plans to continue doing so in 2020. An investment in the Binance Coin is equivalent to an investment in the Exchange. The Binance Coin can be used to trade on the cryptocurrency exchange. If you buy cryptocurrencies with her, you get discounts on your purchases. Binance coins therefore have a benefit for every trader. Binance will soon start a decentralized exchange called Binance DEX, on which in turn the in-house cryptocurrency can be used as a means of payment. That makes the Binance Coin extremely liquid. Shortly after the start of the cryptocurrency, it was able to get a permanent place in the top 10 largest cryptocurrencies on CoinMarketCap. In 2019, the BNB price tripled. – Extremely liquid cryptocurrency – Currency on the largest exchange: Binance – Could already gain good prices Tron (TRX) Tron is a blockchain platform from Justin Sun, an important figure in the crypto scene. An independent ecosystem for the entertainment industry is to be created on the platform. Every user should be able to upload their own videos, pictures, music, texts etc. without being dependent on companies like YouTube. Basically, it’s a smart contract platform, similar to Ethereum (which is also a good investment). Users can upload data, make it available to other users and write their own smart contracts. Tron now attracts a large number of investors. There is a lot of potential in the project. In 2017, Tron’s price rose from EUR 0.0018 to EUR 0.045. In 2018 and 2019, the cryptocurrency gained more and more ground in the crypto world and is now among the top 15 in terms of market capitalization.
In response to the post about merchandise pinned here , I was wondering would it be possible to create a custom cryptocurrency version of Monopoly called (of course) Moonopoly! Christmas is just around the corner and it would make a great gift to a fellow crypto enthusiast, or could even be given out as prizes! Anyway, regardless of whether or not this is a good idea that can be taken seriously, or something completely ridiculous, I figured we could have some fun now deciding how this game would hypothetically be played and allocating the squares for the board. Here are my ideas: It would work just like normal Monopoly which we're all familiar with. But instead of being handed out a set amount of $ or whatever, the currency for Moonopoly could be Dai/Satoshis...or even Moons! Instead of the 28 properties we could have 28 cryptos. (Just like in standard monopoly, their value doesn't have to be exact to real life.) Bitcoin and Etherum are the equivalent of the premium properties (Mayfair and Park Lane on UK Monopoly). Perhaps nano could be the cheap Old Kent Road (Don't hate me nano fans, I love nano really. In fact nano could be the Free Parking square!) So let's say you land on the Bitcoin (Mayfair) square and want to buy it. That will cost you 0.1 BTC. If someone lands on it, they have to give you 0.01 BTC. Instead of building houses and hotels, you can add more Bitcoins/Eth etc, which would then increase the amount someone would have to pay when they land on your crypto. The 4 railroads could be exchanges (Binance, Coinbase etc.) and perhaps the two utilities could be something deFi like Uniswap and Honeyswap. We could have a lot of fun with the Chance and Community Chest cards. Here are some ideas: -You entered your seed in a phishing site. Pay 0.3 BTC. -You've received an airdrop. Collect 0.2 BTC. -Binance has been hacked. Pay 0.5 BTC. -Bullrun confirmed! Collect 0.4 BTC. -The ICO you invested in has exit scammed. Pay 0.2 BTC. -You didn't file your crypto taxes. Go to jail. Don't pass Go. Don't collect 0.1 BTC... For the pieces (i.e. the dog, the boot, the hat..) we could have: -Doge -Carlos Matos -Bogdanoff -Victor Cobra? Alright, it might sound a bit silly. I mean who are we going to play this with? But let's not worry about that. I want to know, what would you have on your Moonopoly board?
I have been holding crypto and following the ecosystem for a long time, and I believe crypto will revolutionise the financial system and still has much potential to increase in value. However until now my holdings have been mostly handpicked. In traditional investments I am a subscriber to passive investing and usually invest in broad index funds, and I want to apply that investment philosophy to my crypto holdings. With this in mind I looked at some available crypto indices and none of them seemed to fill my needs, but looking at them helped me define some of the criteria for my own index:
Not too broad
I will be reproducing the index manually, so having too many assets will make the extra hassle of trading and storing the small-weighted assets not worth it.
I don't see the point of including stablecoins in a cryptoasset index. If I wanted to invest in the asset the stablecoin tracks I'd be better off holding the followed asset itself.
Exclude centrally managed tokens
All indices I found included assets such as Binance Coin and OKB. I see investing in such assets as investing in the managing entity and not in the crypto ecosystem itself, as those tokens will be much more correlated with the business success of the entity than with the success of the ecosystem.
Require reasonable trading availability
The asset must be available for trading in a reasonable number of exchanges.
Market capitalization weighting
Free-float market cap weighting is the standard method of weighting whole-market indices. I have seen some indices that use square root of market cap weighting in order to not be so Bitcoin-heavy, but I am not convinced that that is a better representation of the market or that it would lead to better returns. With these criteria in mind I evaluated the top coins by market capitalization. I decided to use CoinGecko as my main source, but I do cross check the values with CoinMarketCap and CoinCap.io to avoid some big flaw in CoinGecko's methodology.
Obviously the big guy is in.
I also have no issues with Ethereum.
Ripple is a bit too centrally-controlled for my taste and there's also the worry that the value of the XRP token itself may not be too correlated with the network's success, but I still consider it to be worthy for inclusion.
Tether is excluded due to being a stable coin and being centrally-controlled.
The only thing that worries me about Bitcoin Cash is that the community seems to be too worried about insisting that it is the true Bitcoin instead of developed, but I don't see any reason to exclude it given my criteria.
This is the first asset with which I don't have too much experience. Their website is a bit too heavy on buzzwords, but my research seems to show that it is a real network, there's no big problems with their whitepaper.
I personally have no idea how Bitcoin SV is so high in market capitalization, as I see it as just Craig Steven Wright's tool to strengthen his Satoshi claim, but the point of the index and the criteria is to remove my personal feelings from the decision, so it stays in.
Litecoin is one of the oldest assets around and I have no objection for it.
This is the first one where I am having a hard time deciding if it stays in or not. Its website is full of buzzwords. They have a whitepaper explaining how the network works, but I can't see it as much more than a centrally-managed token with a bunch of apps around it and no real value proposition. The company itself seems shady, having been through a name change, as it was previously called Monaco, the way their cards work smells heavily like a Ponzi scheme, they promise huge interest rates for staking random coins with them and the amount of people that show up speaking well of it in any post about it reeks of paid shills. For some reason it is also not listed on CoinCap.io, although it is listed on CoinGecko and CoinMarketCap. It is also listed on fewer exchanges than other coins we've seen so far. I couldn't find any concrete evidence of it being a scam, but I am excluding it for being a centrally-controlled token.
This is a Binance-controlled token, so it is out.
I also didn't know much about this coin, but my research didn't raise any red flags about it, so it's in.
This one is an ERC20 token, but it is managed by a smart contract and although it seems to be somewhat centrally-controlled by now it does have a governance model to make this control be diluted over time. It is also trying to solve a real problem, so it is in.
I was not too familiar with it, but after researching about it I really like the idea. I see no problem in including it.
Stellar feels to me a bit too much like Ripple 2.0, but I don't have any concrete problems with it.
This is an OKEX-controlled token, so it is out.
Another one of the old kids in town, I have no problems with it.
I have a "too buzzwordy" feeling about TRON, and I feel it is a bit too much connected to its founder, but no concrete problems as well.
This is a bitfinex-controlled token, so it is out.
USD Coin is excluded due to being a stable coin and being centrally-controlled.
This is an asset that I am not too sure I understand completely, and it is not listed from CoinCap.io and its market cap is not computed on CoinMarketCap. From what I can gather a cToken is meant to be a token that identifies that you have deposited in Compound's loan market. The only place where it is really traded is in the Compound exchange itself, and it's value is tied to the interest accrued from the loans in the platform and to the underlying asset, which in this case is DAI, a stablecoin. I find Compound Finance interesting and intend to read more about it, but I don't think cDAI is fit for my index, as it is not freely tradeable and tied to a stablecoin.
This is a Huobi-controlled token, so it is out.
This is one more buzzwordy smart contract platform with no concrete red flags to it.
A fork from the main Ethereum chain that rejects the rescue of stolen funds from a buggy smart contract. I am sympathetic to the idea of rejecting a centrally-proposed hardfork, and I see no red flags with this coin. And with this we are up to my intended 15 assets. This is the composition of the index with current market capitalizations:
This is the portfolio I intend to target from now on, with occasional rebalances of course. I would like to hear what you think about my criteria and my application of them, and where I could improve it.
Rebasing, new money, old money, the stable value, and value fluctuations.
Hello all. I have seen several people comparing ampleforth to bitconnect, so here is the simplified formula: (Oracle Price – Target Price) / 10 supply change every 24 hours. Now so long as the price fluctuations are under this amount, we never run the risk of dropping into negative territory. Now, look at the chart. What are our fluctuations? The biggest fluctuation was the 13 july 2020, from 3.46 to 1.86. Now, is this due only to the rebase? No. If you look up on the days before that, we had a massive run up. This looks like a normal market pattern cycle that got burst. But did hodlers lose? No. The marketcap just keeps going up. So, what could cause the price to dip below $1? Well, if we reached $1, and the marketcap stagnated, then a whale *COULD* crash the market. However, there are several things to consider here. First, when we reach a stagnated market value, ampleforth will have taken a strong competitive edge against tether and usdc. That means its volume will be absolutely massive. Second, it requires more money to crash an asset than it requires to jack an asset's prices up. Psychology lesson. Most people are bad traders because they treat risk and reward differently. They hold losing positions hoping the losing position will come back, and they hesitate to take winning positions if there is a chance of loss. This risk adverse mentality has an application here. Also, the lower number of say .90 is a numerically lower number than say 1.15. And trading lesson... the spot price of an asset is determined by active traders. Not by actual hodlers. Traders are necessarily reactionary. We cannot see the future. And when the price fluctuates, non market participants tend to become active market participants. This is why small price moves can spark feagreed runs. At ampleforth's target price of $1, it is going to be difficult for any one trader to crash the market, and we will NOT see price drops to .5 as a normal occurrence. If we do, there is an arbitrage that traders like me WILL do if it happens. Basically since we know that below $1 the rebase is a negative event, we will do the opposite of current actions with trading. The current trading strategy that eliminates risk while at the same time maximizes returns is to jump in with tether 5 minutes before rebase, and jump out and crash the market with the new 10% supply. Under $1, the strategy would be to buy and jump in. Right before rebase, traders sell, and then buy back in after rebase. People who are saying ampleforth is a bad investment are probably wrong. There are reasons it won't crash sub $1 when it has lots of users, and there are ways the market can remedy the situation. Now.. the ampleforth rich list IS disturbing. Just like satoshi nakamoto holding 10% of bitcoin is disturbing. However, they are a respectable crypto company, and they have plans for at least coinbase and binance, and I do not see them flash dumping on the market. That isn't to say they might sell. I am saying that if they do sell, they will do it in a nice respectful manner that does not crash the market, and doesn't cause lots of slippage for them.
Disclaimer: I am not and have never been affiliated with any of the mentioned parties in a private or professional matter. Presumably in an attempt to smear a local competitor, Hayden Otto inadvertently publishes irrefutable on-chain proof that he excluded non-BCH retail revenue to shape the "BCH #1 in Australia" narrative.
Scroll down to "Proof of exclusion" if you are tired of the drama recap.
Scroll down to "TLDR" if you want a summary.
In September 2019, BitcoinBCH.com started publishing so called monthly "reports" about crypto retail payments in Australia. They claimed that ~90% of Australia's crypto retail revenue is processed via their own HULA system and that ~92% of all crypto retail revenue happens in BCH. They are aggregating two data sources to come up with this claim. One is TravelByBit (TBB) who publishes their PoS transactions (BTC, LN, ETH, BNB, DASH, BCH) live on a ticker. The other source is HULA, a newly introduced POS system (BCH only) and direct competitor to TBB run by BitcoinBCH.com - the same company who created the report. Despite being on-chain their transactions are private, not published and not verifiable by third parties outside BitcoinBCH.com Two things stood out in the "reports", noted by multiple users (including vocal BCH proponents):
The non-BCH parts must have tx excluded and the report neglects to mention it (the total in their TBB analysis does not match what is reported on the TBB website.)
The BCH part has outliers included (e.g. BCH city conference in September with 35x the daily average)
Hayden Otto's reaction
In direct response to me publishing these findings on btc, Hayden Otto - an employee at BitcoinBCH.com and the author of the report who also happens to be a moderator of /BitcoinCash - banned me immediately from said sub (source). In subsequent discussion (which repeated for every monthly "report" which was flawed in the same ways as described above), Hayden responded using the same tactics: "No data was removed"
"The guy is straight out lying. There is guaranteed no missing tx as the data was collected directly from the source." (source)
"Only data I considered non-retail was removed"
"I also had these data points and went through them to remove non-retail transactions, on both TravelbyBit and HULA." (source)
He admits to have removed non-BCH tx by "Game Ranger" because he considers them non-retail (source). He also implies they might be involved in money laundering and that TBB might fail their AML obligations in processing Game Ranger's transactions (source). The report does not mention any data being excluded at all and he still fails to explain why several businesses that are clearly retail (e.g. restaurants, cafes, markets) had tx excluded (source). "You are too late to prove I altered the data"
"[...] I recorded [the data] manually from https://travelbybit.com/stats/ over the month of September. The website only shows transactions from the last 7 days and then they disappear. No way for anyone to access stats beyond that." (source)
Proof of exclusion
I published raw data as extracted from the TBB site after each report for comparison. Hayden responded that I made those numbers up and that I was pulling numbers out of my ass. Since he was under the impression that
"The website only shows transactions from the last 7 days and then they disappear. No way for anyone to access stats beyond that." (source)
he felt confident to claim that I would be
unable to provide a source for the [missing] data and/or prove that that data was not already included in the report. (source)
Luckily for us Hayden Otto seems to dislike his competitor TravelByBit so much that he attempted to reframe Bitcoin's RBF feature as a vulnerability specific to TBB PoS system (source). While doublespending a merchant using the TBB PoS he wanted to prove that the merchant successfully registered the purchase as complete and thus exposed that the PoS sales history of TBB's merchants are available to the public (source), in his own words:
"You can literally access it from a public URL in the Web browser. There is no login or anything required, just type in the name of the merchant." (source)
As of yet it is unclear if this is intentional by TBB or if Hayden Ottos followed the rules of responsible disclosure before publishing this kind of data leak. As it happens, those sale histories do not only include the merchant and time of purchases, they even include the address the funds were sent to (in case of on-chain payments). This gives us an easy method to prove that the purchases from the TBB website missing in the reports belong to a specific retail business and actually happened - something that is impossible to prove for the alleged HULA txs. In order to make it easier for you to verify it yourself, we'll focus on a single day in the dataset, September 17th, 2019 as an example:
Hayden Otto's report claims 20 tx and $713.00 in total for that day (source)
The TBB website listed 40 tx and a total of $1032.90 (daily summary)
Paste the associated crypto on-chain address 17MrHiRcKzCyuKPtvtn7iZhAZxydX8raU9 in a blockchain explorer of your choice, e.g like this. This proves that a transfer of funds has actually happened.
I let software aggregate the TBB statistics with the public sale histories and you'll find at the bottom of this post a table with the on-chain addresses conveniently linked to blockchain explorers for our example date. The total of all 40 tx is $1032.90 instead of the $713.00 reported by Hayden. 17 tx of those have a corresponding on-chain address and thus have undeniable proof of $758.10. Of the remaining 23, 22 are on Lightning and one had no merchant history available. This is just for a single day, here is a comparison for the whole month.
TBB wo. Game Ranger
TBB according to Hayden
The usual shills will respond in a predictive manner: The data must be fake even though its proof is on-chain, I would need to provide more data but HULA can be trusted without any proof, if you include outliers BCH comes out ahead, yada, yada. But this is not important. I am not here to convince them and this post doesn't aim to. The tx numbers we are talking about are less than 0.005% of Bitcoin's global volume. If you can increase adoption in your area by 100% by just buying 2 coffees more per day you get a rough idea about how irrelevant the numbers are in comparison. What is relevant though and what this post aims to highlight is that BitcoinBCH.com and the media outlets around news.bitcoin.com flooding you with the BCH #1 narrative are playing dirty. They feel justified because they feel that Bitcoin/Core/Blockstream is playing dirty as well. I am not here to judge that but you as a reader of this sub should be aware that this is happening and that you are the target. When BitcoinBCH.com excludes $1,000 Bitcoin tx because of high value but includes $15,000 BCH tx because they are made by "professionals", you should be sceptical. When BitcoinBCH.com excludes game developers, travel businesses or craftsmen accepting Bitcoin because they don't have a physical store but include a lawyer practice accepting BCH, you should be sceptical. When BitcoinBCH.com excludes restaurants, bars and supermarkets accepting Bitcoin and when pressed reiterate that they excluded non-retail businesses without ever explaning why a restaurant shouldn't be considered reatil, you should be sceptical. When BitcoinBCH.com claims the reports have been audited but omit that the data acquisition was not part of the audit, you should be sceptical. I expect that BitcoinBCH.com will stop removing transactions from TBB for their reports now that it has been shown that their exclusion can be provably uncovered. I also expect that HULA's BCH numbers will rise accordingly to maintain a similar difference. Hayden Otto assumed that nobody could cross-check the TBB data. He was wrong. Nobody will be able to disprove his claims when HULA's BCH numbers rise as he continues to refuse their release. You should treat his claims accordingly. As usual, do your own research and draw your own conclusion. Sorry for the long read.
BitcoinBCH.com claimed no transactions were removed from the TBB dataset in their BCH #1 reports and that is impossible to prove the opposite.
Hayden Otto's reveals in a double spend attempt that a TBB merchant's sale history can be accessed publicly including the merchant's on-chain addresses.
(For example,) this table shows 40 tx listed on the TBB site on Sep 17th, including their on-chain addresses where applicable. The BitcoinBCH.com report lists only 20 tx for the same day.
(Most days and every months so far has had BTC transactions excluded.)
(For September, TBB lists $10,502 yet the report only claims $3,737.
How To End The Cryptocurrency Exchange "Wild West" Without Crippling Innovation
In case you haven't noticed the consultation paper, staff notice, and report on Quadriga, regulators are now clamping down on Canadian cryptocurrency exchanges. The OSC and other regulatory bodies are still interested in industry feedback. They have not put forward any official regulation yet. Below are some ideas/insights and a proposed framework.
Typical securities frameworks will cost Canadians millions of dollars (ie Sarbanes-Oxley estimated at $5m USD/yr per firm). Implementation costs of this proposal are significantly cheaper.
Canadians can maintain a diverse set of exchanges, multiple viable business models are still fully supported, and innovation is encouraged while keeping Canadians safe.
Many of you have limited time to read the full proposal, so here are the highlights:
Effective standards to prevent both internal and external theft. Exchange operators are trained and certified, and have a legal responsibility to users.
Regular Transparent Audits
Provides visibility to Canadians that their funds are fully backed on the exchange, while protecting privacy and sensitive platform information.
Establishment of basic insurance standards/strategy, to expand over time. Removing risk to exchange users of any hot wallet theft.
Background and Justifications
Cold Storage Custody/Management After reviewing close to 100 cases, all thefts tend to break down into more or less the same set of problems: • Funds stored online or in a smart contract, • Access controlled by one person or one system, • 51% attacks (rare), • Funds sent to the wrong address (also rare), or • Some combination of the above. For the first two cases, practical solutions exist and are widely implemented on exchanges already. Offline multi-signature solutions are already industry standard. No cases studied found an external theft or exit scam involving an offline multi-signature wallet implementation. Security can be further improved through minimum numbers of signatories, background checks, providing autonomy and legal protections to each signatory, establishing best practices, and a training/certification program. The last two transaction risks occur more rarely, and have never resulted in a loss affecting the actual users of the exchange. In all cases to date where operators made the mistake, they've been fully covered by the exchange platforms. • 51% attacks generally only occur on blockchains with less security. The most prominent cases have been Bitcoin Gold and Ethereum Classic. The simple solution is to enforce deposit limits and block delays such that a 51% attack is not cost-effective. • The risk of transactions to incorrect addresses can be eliminated by a simple test transaction policy on large transactions. By sending a small amount of funds prior to any large withdrawals/transfers as a standard practice, the accuracy of the wallet address can be validated. The proposal covers all loss cases and goes beyond, while avoiding significant additional costs, risks, and limitations which may be associated with other frameworks like SOC II. On The Subject of Third Party Custodians Many Canadian platforms are currently experimenting with third party custody. From the standpoint of the exchange operator, they can liberate themselves from some responsibility of custody, passing that off to someone else. For regulators, it puts crypto in similar categorization to oil, gold, and other commodities, with some common standards. Platform users would likely feel greater confidence if the custodian was a brand they recognized. If the custodian was knowledgeable and had a decent team that employed multi-sig, they could keep assets safe from internal theft. With the right protections in place, this could be a great solution for many exchanges, particularly those that lack the relevant experience or human resources for their own custody systems. However, this system is vulnerable to anyone able to impersonate the exchange operators. You may have a situation where different employees who don't know each other that well are interacting between different companies (both the custodian and all their customers which presumably isn't just one exchange). A case study of what can go wrong in this type of environment might be Bitpay, where the CEO was tricked out of 5000 bitcoins over 3 separate payments by a series of emails sent legitimately from a breached computer of another company CEO. It's also still vulnerable to the platform being compromised, as in the really large $70M Bitfinex hack, where the third party Bitgo held one key in a multi-sig wallet. The hacker simply authorized the withdrawal using the same credentials as Bitfinex (requesting Bitgo to sign multiple withdrawal transactions). This succeeded even with the use of multi-sig and two heavily security-focused companies, due to the lack of human oversight (basically, hot wallet). Of course, you can learn from these cases and improve the security, but so can hackers improve their deception and at the end of the day, both of these would have been stopped by the much simpler solution of a qualified team who knew each other and employed multi-sig with properly protected keys. It's pretty hard to beat a human being who knows the business and the typical customer behaviour (or even knows their customers personally) at spotting fraud, and the proposed multi-sig means any hacker has to get through the scrutiny of 3 (or more) separate people, all of whom would have proper training including historical case studies. There are strong arguments both for and against using use of third party custodians. The proposal sets mandatory minimum custody standards would apply regardless if the cold wallet signatories are exchange operators, independent custodians, or a mix of both. On The Subject Of Insurance ShakePay has taken the first steps into this new realm (congratulations). There is no question that crypto users could be better protected by the right insurance policies, and it certainly feels better to transact with insured platforms. The steps required to obtain insurance generally place attention in valuable security areas, and in this case included a review from CipherTrace. One of the key solutions in traditional finance comes from insurance from entities such as the CDIC. However, historically, there wasn't found any actual insurance payout to any cryptocurrency exchange, and there are notable cases where insurance has not paid. With Bitpay, for example, the insurance agent refused because the issue happened to the third party CEO's computer instead of anything to do with Bitpay itself. With the Youbit exchange in South Korea, their insurance claim was denied, and the exchange ultimately ended up instead going bankrupt with all user's funds lost. To quote Matt Johnson in the original Lloyd's article: “You can create an insurance policy that protects no one – you know there are so many caveats to the policy that it’s not super protective.” ShakePay's insurance was only reported to cover their cold storage, and “physical theft of the media where the private keys are held”. Physical theft has never, in the history of cryptocurrency exchange cases reviewed, been reported as the cause of loss. From the limited information of the article, ShakePay made it clear their funds are in the hands of a single US custodian, and at least part of their security strategy is to "decline to confirm the custodian’s name on the record". While this prevents scrutiny of the custodian, it's pretty silly to speculate that a reasonably competent hacking group couldn't determine who the custodian is. A far more common infiltration strategy historically would be social engineering, which has succeeded repeatedly. A hacker could trick their way into ShakePay's systems and request a fraudulent withdrawal, impersonate ShakePay and request the custodian to move funds, or socially engineer their way into the custodian to initiate the withdrawal of multiple accounts (a payout much larger than ShakePay) exploiting the standard procedures (for example, fraudulently initiating or override the wallet addresses of a real transfer). In each case, nothing was physically stolen and the loss is therefore not covered by insurance. In order for any insurance to be effective, clear policies have to be established about what needs to be covered. Anything short of that gives Canadians false confidence that they are protected when they aren't in any meaningful way. At this time, the third party insurance market does not appear to provide adequate options or coverage, and effort is necessary to standardize custody standards, which is a likely first step in ultimately setting up an insurance framework. A better solution compared to third party insurance providers might be for Canadian exchange operators to create their own collective insurance fund, or a specific federal organization similar to the CDIC. Such an organization would have a greater interest or obligation in paying out actual cases, and that would be it's purpose rather than maximizing it's own profit. This would be similar to the SAFU which Binance has launched, except it would cover multiple exchanges. There is little question whether the SAFU would pay out given a breach of Binance, and a similar argument could be made for a insurance fund managed by a collective of exchange operators or a government organization. While a third party insurance provider has the strong market incentive to provide the absolute minimum coverage and no market incentive to payout, an entity managed by exchange operators would have incentive to protect the reputation of exchange operators/the industry, and the government should have the interest of protecting Canadians. On The Subject of Fractional Reserve There is a long history of fractional reserve failures, from the first banks in ancient times, through the great depression (where hundreds of fractional reserve banks failed), right through to the 2008 banking collapse referenced in the first bitcoin block. The fractional reserve system allows banks to multiply the money supply far beyond the actual cash (or other assets) in existence, backed only by a system of debt obligations of others. Safely supporting a fractional reserve system is a topic of far greater complexity than can be addressed by a simple policy, and when it comes to cryptocurrency, there is presently no entity reasonably able to bail anyone out in the event of failure. Therefore, this framework is addressed around entities that aim to maintain 100% backing of funds. There may be some firms that desire but have failed to maintain 100% backing. In this case, there are multiple solutions, including outside investment, merging with other exchanges, or enforcing a gradual restoration plan. All of these solutions are typically far better than shutting down the exchange, and there are multiple cases where they've been used successfully in the past. Proof of Reserves/Transparency/Accountability Canadians need to have visibility into the backing on an ongoing basis. The best solution for crypto-assets is a Proof of Reserve. Such ideas go back all the way to 2013, before even Mt. Gox. However, no Canadian exchange has yet implemented such a system, and only a few international exchanges (CoinFloor in the UK being an example) have. Many firms like Kraken, BitBuy, and now ShakePay use the Proof of Reserve term to refer to lesser proofs which do not actually cryptographically prove the full backing of all user assets on the blockchain. In order for a Proof of Reserve to be effective, it must actually be a complete proof, and it needs to be understood by the public that is expected to use it. Many firms have expressed reservations about the level of transparency required in a complete Proof of Reserve (for example Kraken here). While a complete Proof of Reserves should be encouraged, and there are some solutions in the works (ie TxQuick), this is unlikely to be suitable universally for all exchange operators and users. Given the limitations, and that firms also manage fiat assets, a more traditional audit process makes more sense. Some Canadian exchanges (CoinSquare, CoinBerry) have already subjected themselves to annual audits. However, these results are not presently shared publicly, and there is no guarantee over the process including all user assets or the integrity and independence of the auditor. The auditor has been typically not known, and in some cases, the identity of the auditor is protected by a NDA. Only in one case (BitBuy) was an actual report generated and publicly shared. There has been no attempt made to validate that user accounts provided during these audits have been complete or accurate. A fraudulent fractional exchange, or one which had suffered a breach they were unwilling to publicly accept (see CoinBene), could easily maintain a second set of books for auditors or simply exclude key accounts to pass an individual audit. The proposed solution would see a reporting standard which includes at a minimum - percentage of backing for each asset relative to account balances and the nature of how those assets are stored, with ownership proven by the auditor. The auditor would also publicly provide a "hash list", which they independently generate from the accounts provided by the exchange. Every exchange user can then check their information against this public "hash list". A hash is a one-way form of encryption, which fully protects the private information, yet allows anyone who knows that information already to validate that it was included. Less experienced users can take advantage of public tools to calculate the hash from their information (provided by the exchange), and thus have certainty that the auditor received their full balance information. Easy instructions can be provided. Auditors should be impartial, their identities and process public, and they should be rotated so that the same auditor is never used twice in a row. Balancing the cost of auditing against the needs for regular updates, a 6 month cycle likely makes the most sense. Hot Wallet Management The best solution for hot wallets is not to use them. CoinBerry reportedly uses multi-sig on all withdrawals, and Bitmex is an international example known for their structure devoid of hot wallets. However, many platforms and customers desire fast withdrawal processes, and human validation has a cost of time and delay in this process. A model of self-insurance or separate funds for hot wallets may be used in these cases. Under this model, a platform still has 100% of their client balance in cold storage and holds additional funds in hot wallets for quick withdrawal. Thus, the risk of those hot wallets is 100% on exchange operators and not affecting the exchange users. Since most platforms typically only have 1%-5% in hot wallets at any given time, it shouldn't be unreasonable to build/maintain these additional reserves over time using exchange fees or additional investment. Larger withdrawals would still be handled at regular intervals from the cold storage. Hot wallet risks have historically posed a large risk and there is no established standard to guarantee secure hot wallets. When the government of South Korea dispatched security inspections to multiple exchanges, the results were still that 3 of them got hacked after the inspections. If standards develop such that an organization in the market is willing to insure the hot wallets, this could provide an acceptable alternative. Another option may be for multiple exchange operators to pool funds aside for a hot wallet insurance fund. Comprehensive coverage standards must be established and maintained for all hot wallet balances to make sure Canadians are adequately protected.
Current Draft Proposal
(1) Proper multi-signature cold wallet storage. (a) Each private key is the personal and legal responsibility of one person - the “signatory”. Signatories have special rights and responsibilities to protect user assets. Signatories are trained and certified through a course covering (1) past hacking and fraud cases, (2) proper and secure key generation, and (3) proper safekeeping of private keys. All private keys must be generated and stored 100% offline by the signatory. If even one private keys is ever breached or suspected to be breached, the wallet must be regenerated and all funds relocated to a new wallet. (b) All signatories must be separate background-checked individuals free of past criminal conviction. Canadians should have a right to know who holds their funds. All signing of transactions must take place with all signatories on Canadian soil or on the soil of a country with a solid legal system which agrees to uphold and support these rules (from an established white-list of countries which expands over time). (c) 3-5 independent signatures are required for any withdrawal. There must be 1-3 spare signatories, and a maximum of 7 total signatories. The following are all valid combinations: 3of4, 3of5, 3of6, 4of5, 4of6, 4of7, 5of6, or 5of7. (d) A security audit should be conducted to validate the cold wallet is set up correctly and provide any additional pertinent information. The primary purpose is to ensure that all signatories are acting independently and using best practices for private key storage. A report summarizing all steps taken and who did the audit will be made public. Canadians must be able to validate the right measures are in place to protect their funds. (e) There is a simple approval process if signatories wish to visit any country outside Canada, with a potential whitelist of exempt countries. At most 2 signatories can be outside of aligned jurisdiction at any given time. All exchanges would be required to keep a compliant cold wallet for Canadian funds and have a Canadian office if they wish to serve Canadian customers. (2) Regular and transparent solvency audits. (a) An audit must be conducted at founding, after 3 months of operation, and at least once every 6 months to compare customer balances against all stored cryptocurrency and fiat balances. The auditor must be known, independent, and never the same twice in a row. (b) An audit report will be published featuring the steps conducted in a readable format. This should be made available to all Canadians on the exchange website and on a government website. The report must include what percentage of each customer asset is backed on the exchange, and how those funds are stored. (c) The auditor will independently produce a hash of each customer's identifying information and balance as they perform the audit. This will be made publicly available on the exchange and government website, along with simplified instructions that each customer can use to verify that their balance was included in the audit process. (d) The audit needs to include a proof of ownership for any cryptocurrency wallets included. A satoshi test (spending a small amount) or partially signed transaction both qualify. (e) Any platform without 100% reserves should be assessed on a regular basis by a government or industry watchdog. This entity should work to prevent any further drop, support any private investor to come in, or facilitate a merger so that 100% backing can be obtained as soon as possible. (3) Protections for hot wallets and transactions. (a) A standardized list of approved coins and procedures will be established to constitute valid cold storage wallets. Where a multi-sig process is not natively available, efforts will be undertaken to establish a suitable and stable smart contract standard. This list will be expanded and improved over time. Coins and procedures not on the list are considered hot wallets. (b) Hot wallets can be backed by additional funds in cold storage or an acceptable third-party insurance provider with a comprehensive coverage policy. (c) Exchanges are required to cover the full balance of all user funds as denominated in the same currency, or double the balance as denominated in bitcoin or CAD using an established trading rate. If the balance is ever insufficient due to market movements, the firm must rectify this within 24 hours by moving assets to cold storage or increasing insurance coverage. (d) Any large transactions (above a set threshold) from cold storage to any new wallet addresses (not previously transacted with) must be tested with a smaller transaction first. Deposits of cryptocurrency must be limited to prevent economic 51% attacks. Any issues are to be covered by the exchange. (e) Exchange platforms must provide suitable authentication for users, including making available approved forms of two-factor authentication. SMS-based authentication is not to be supported. Withdrawals must be blocked for 48 hours in the event of any account password change. Disputes on the negligence of exchanges should be governed by case law.
Continued review of existing OSC feedback is still underway. More feedback and opinions on the framework and ideas as presented here are extremely valuable. The above is a draft and not finalized. The process of further developing and bringing a suitable framework to protect Canadians will require the support of exchange operators, legal experts, and many others in the community. The costs of not doing such are tremendous. A large and convoluted framework, one based on flawed ideas or implementation, or one which fails to properly safeguard Canadians is not just extremely expensive and risky for all Canadians, severely limiting to the credibility and reputation of the industry, but an existential risk to many exchanges. The responsibility falls to all of us to provide our insight and make our opinions heard on this critical matter. Please take the time to give your thoughts.
Mcashchain’s vision is to gather information and store all of them in a decentralized ledger, so as to change payment processes and financial procedures towards being cheaper, more convenient and more room for automation. Mcashchain focuses on security, lightning-speed, efficient and of highest as well as latest technology transactions; so as to create an all-in-one platform within Midas Protocol ecosystem and global finance.
Throughout 11 years of development, Blockchain has evolved and been upgraded step by step, generation by generation. Blockchain 1.0: Allows storing, exchanging properties safely and securely. Bitcoin is the pioneer. Blockchain 2.0: The term “smart contract” was coined. ETH is the pioneer. Blockchain 3.0: Using the strengths of the previous 2 generations, aiming to employ one specific purpose in digital products, the familiar term “Dapp” was coined. Mcash Chain: Owns all of the strong points that were developed in each generation, optimizes the algorithms and adds the technologies to guarantee a definite ability of applying to reality; especially with blockchain’s most powerful application: DeFi. McashChain successfully employed Mainnet, launched Mcashchain even before its introduction to the community and possessed its own coin - MCASH. Obviously, Mcashchain removed the “exists only on paper” part found in most ICO in the market.
Block closing time: 3s Can process upto 100.000 tx
dApps Smart Contract Anonymous-on-Demand Smart staking Others: POS - DAV Consensus Mechanism. Comparing MCASH Exchange fees close to 0. Smart-fee technology results in cheaper transactions, yet improvised to prevent spam transactions that are dangerous to Blockchain. Smart staking Proof-of-Stake (PoH) Consensus Mechanism ranks the chains based on “the amount of MCASH held” and “the number of transactions processed”. Consequently, staking profits (coin digging) are attractive and fair for the stakeholders. Stakeholders - those who possess a large number of coins and Dapps developers are the 2 groups that have brought MCASH success. Anonymous coin exchange technology - Zero M Zero M technology allows users to anonymously exchange coins, without showing the detailed amount and information of the senders and the receivers. Yet, that does not mean Mcashchain is an anonymous blockchain, as Zero M technology allows users to switch between anonymous and normal modes whenever they want. Smartcontract Smart Contract technology has become a vital function in automating transactions in currently popular Blockchains such as ETH, EOS, TRON, Stellar,… MCASH of course is no exception, Mcashchain Smart Contract brings safe, automated and optimized exchange options. The ability to create Token Token economy is the factor that makes ETH successful, with over 98% crypto available in the market using Dapps - decentralized applicationsứng. Mcashchain Smart Contract allows to create tokens and rewards mechanisms, in cases the token chains have several transactions. Mcashbank – Ecosystem and DEFI Blockchain has developed from Satoshi Nakamoto’s vision to a secured properties storing and exchanging platform not under any control. It has also entered a new phase and become the platforms that are very useful in various financial fields worldwide. Hence, the needs to create an ecosystem of applications revolving one blockchain are heightened, so as to prove the feasibility of that blockchain. Decentralized exchange platform All currently powerful and popular blockchain platforms possess their own DEX, such as Etherdelta and IDEX of ETH, Binance DEX, Switcheo of NEO, - just amongst others. Decentralized platforms could prove the ability of blockchain. Mcashchain also develops its own platform Unidex, as a platform supports exchanging digital properties easily.
MCASH DEFI PLATFORM
Mcashchain’s vision is to develop decentralised finance products in the future. The solution is a Mcash blockchain platform and a set of tools to build DeFi products right on Mcashchain. A complete DeFi ecosystem: Lending, saving, payment applications, automated accounting system, etc.
The attempted come back of CoinEx, China's forked-Bitcoin exchange
Written by Shuyao Kong Published bydecrypt.co An interview with Haipo Yang, a crypto OG who’s trying to reposition his Bitcoin Cash-based CoinEx exchange. And more, in this week’s da bing. https://preview.redd.it/h5f3i3lldv051.jpg?width=3200&format=pjpg&auto=webp&s=09b8696303ae5c6170753cc438929ebe520d4605 Haipo Yang, founder of ViaBTC, one of the largest mining pools in the world, and CoinEx, a crypto exchange known for its focus on Bitcoin Cash-based trading, is a well-known but relatively quiet character in China’s crypto circle. Typically, Yang doesn’t talk that much about his journey launching the mining pool, nor about CoinEx, which launched in December 2017. And he almost never speaks about his fervent support for BCH, a hard fork of Bitcoin, and his now even more enthusiastic belief in BSV. Yet that’s changing of late. Yang has been more active in recent months, participating in interviews about CoinEx and tweeting more frequently on Weibo, China’s Twitter. He’s been making controversial statements predicting the death of BTC, while supporting BCH and BSV on social media. Recently, Yang told me that as a developer rather than a business person, he’s never been comfortable speaking in public. However he’s making an effort now to help publicize his renovation of CoinEx. So, for this week’s da bing, I decided to chat with him and get a peek into the mind of a veteran crypto entrepreneur who’s trying to make a personal, as well as a platform, comeback.
CoinEx’s golden opportunity
The first hard fork of Bitcoin occurred in August, 2017 and created a new cryptocurrency called Bitcoin Cash. The fork was prompted by partisans, including Yang, who wanted bigger block sizes on the blockchain — the basic idea was that bigger blocks would enable more transactions per second and make Bitcoin Cash something people would actually use to buy things, rather than Bitcoin’s more commonly perceived use as a store of value. Yang added a tremendous amount of value to the mining scene in China. As a technical founder with has years of experience in big tech firms such as Tencent, Yang is proud of his #buidl skills. He developed most of the code in the early days of VicBTC, which became one of the biggest mining pools to this day. Not satisfied with owning just a mining pool,Yang conceived of CoinEx, which was born in December of that year, specifically to carry on the mission of the newly forked Bitcoin Cash blockchain. As he got swept up in Bitcoin Cash enthusiasm, he even said that “BCH is bitcoin.” CoinEx’s strategy was BCH-focused from day one; BCH was its base currency, meaning you could use it to buy and sell other currencies, such as Ethereum and Litecoin. Interestingly, Jihan Wu, the co-founder of Bitcoin Exchange — himself a famous BCH supporter — was a big investor in the exchange. That made me wonder why he, Yang, and many other OG crypto miners, were so passionate about BCH. Was it just about bigger block sizes? “Bigger block size means more users and use cases,” Yang explained. The move to bigger block sizes was attractive to miners because they would facilitate more transactions. Miners make money on transaction fees, as well as mining blocks. Likewise, the network would arguably be more useful to people, who were looking for digital cash for every day use. That especially resonated with many early hardcore Bitcoiners. Said Yang: “We really believe that Bitcoin should be a P2P cash vehicle rather than a store of value.” This view probably sounds outdated to people who believe that Bitcoin’s value as cash is long gone, with solutions such as Lightning Network fulfilling that role. Instead, the new narrative for Bitcoin resides in its value, rather than utility. Yet Yang believed that the forked network would create far more opportunity “We could invite influential companies to establish nodes and contribute to the network. This cannot be done with the original Bitcoin architecture,” he said.
But from its inception, CoinEx struggled with adoption and was dwarfed by the bigger exchanges. Part of that had to do with the fact that BCH and “Bitcoin Satoshi’s Vision,” another Bitcoin hard fork, were both controversial. Critics pointed out that these networks are centralized in a few big mining pools, and 51% attacks are not out of the question. So over time, though Yang’s exchange still maintains strong support for BCH and BSV, it began to add support for all the major currencies. Finally, in January of this year, it announced a major upgrade, of… well, just about everything. It started to offer futures trading, leveraged trading, options trading, and over 100 token projects available to traders. It even rolled out its own blockchain, “CoinEx Chain” to support a new DEX, “CoinEx DEX.” https://preview.redd.it/3okoy5mudv051.png?width=1432&format=png&auto=webp&s=7099249da4a95db873d268f2dfc95d8db93a368e The seemingly sudden publicity of CoinEx should not come as a surprise, then. As BCH/BSV was being marginalized, Yang shifted his focus. He’s now trying to ride the wave of building a bigger, more dynamic exchange. “Crypto exchanges are where value is discovered,” Yang told me.
Building an exchange isn’t done overnight, nor is re-building one. CoinEx is still competing with the giants such as Binance. However Yang thinks his exchange will thrive by zigging when his competitors zag. As usual, CoinEx is taking a slightly different route, he told me. Like what? “We will be listing 小币种,” he said, using the expression for “small token projects.” I cannot help but wonder if these “small token projects” are simply shitcoins, the trading of which is certainly not new. Indeed, Yang said that he’s banking on the success of his new, public blockchain. “We are building a CoinEx Chain, a layer one protocol for DEX alone. Using our public blockchain, anyone can issue any token, at any time,” he said. He described the blockchain as “a real decentralized, token-issuance and transaction platform.” This is the core of Yang’s plan and vision. He believes that centralized exchanges will be a bottleneck for crypto adoption because it contradicts crypto’s nature as a completely free and open infrastructure. Essentially anyone should be able to launch a token and trade it with anyone. Only by building DEXes can we achieve full decentralization, he says.
The Religious nature of Bitcoin, and forked Bitcoin
It’s his belief that Bitcoin should adhere to Satoshi’s original vision that led Yang to send yet another controversial tweet last week, which I will translate: “The early days of Bitcoin expansion are similar to religion. The religious fervor brings prosperity to the industry.” By extension, Yang believes that the next generation of Bitcoin should provoke a similar “religious” fervor. That’s why he has slowly become more of a BSV advocate than a fan of Bitcoin Cash. Yang believes that “BSV has more religious connotations, despite its negative image.” (As most crypto people know, the controversial Craig Wright, who claims to be Satoshi Nakamoto, led the hard fork which created BSV. Consequently it is often met with skepticism and derision.) “The early days of Bitcoin expansion are similar to religion,” said Yang. “The religious fervor brings prosperity to the industry.” Crypto is famous for its tribalism. Many people choose one camp over another not for practical reasons but because of simple faith. Talking to Yang and reading his tweet brings a historic texture to the Bitcoin narrative. But crypto cannot survive on religion alone. One has to build. Hash might have been worshipped in the old days but now the crypto religion is all about the size of the congregation. Original article Click here to register on CoinEx!
List of bitcoin person-to-person (P2P) bitcoin exchanges (e.g., Bisq, HodlHodl, LocalCoinSwap, etc.)
Following is a list of P2P exchanges for trading Bitcoin. Common payment methods include bank transfer, cash deposited in the seller's bank account, in-person cash (face-to-face) trades as well as payment networks such as Zelle, Alipay, even Cash App and PayPal, for example. Any that I am missing?
You made it! :) First up, SORRY! This has been a late post, I have my reasons don't question them (if you must know I'll be posting in the discord - one time only haha). Secondly, I am sure you can agree with me when I say "Wow!" What an incredible week it has been. Last week I thought it was going to take a couple more weeks for more moving price action when it had only taken a few days which has seen Bitcoin reach and pass the $10,000 region. We have also seen the total Market cap for cryptocurrencies increase from about 280B to over 300B (308B at time of writing) within just a few days. A huge injection of liquidity, about 40B, into the market and just to name a few of the best rises in the top 20 (on Coinmarketcap.com), the price of ETH BTC ADA have given good performances/positive responses (With this I will start adding screenshots at the end of each week for timestamp purposes). This may be a combination from Binance, Mastercard, Paypal, Grayscale investments, VISA AND the DEFI sector. Let me explain... Last week we read about Binance integrating with the company Swipe (SXP) to issue there own debit card expanding the use and reach of cryptocurrency to 31 countries within Europe. Binance's Q2 scheduled token burn of $60.5 Million, this figure correlates with its exchange, margin and futures trading platforms where approximately 20% of profits get burned to increase the price of BNB token (careful as the price has been steady after the burn). This week we find out Mastercard's expansion into the Cryptosphere as they expand and integrate with the Wirex team to issue a Mastercard-backed Bitcoin debit card, thus further extending the reach of cryptocurrency availability internationally. "The cryptocurrency market continues to mature and Mastercard is driving it forward, creating safe and secure experiences for consumers and businesses in today’s digital economy " "...Our work with Wirex and the wider crypto ecosystem is accelerating innovation and empowering consumers with more choice in the way they pay" Mastercard is also reaching out to other emerging cryptocurrency firms to apply to become principal members [Partners] with Mastercard as they have relaxed their digital assets program and look to expand into the Digital Assets and Blockchain environment. Paypals expression of interest in cryptocurrency facilitiation may bear fruits as it is said Paypal has partnered up with stablecoin operator Paxos (who is already in partnership with Revolut in the US) to facilitate trading through a cryptocurrency brokerage which will enable other firms to integrate cryptocurrency trading functionalities with them. In my opinion this looks much more promising than the Libra association they pulled out from last October as regulations. Grayscale Investments clears regulatory hurdle as they have been given the green light for its Bitcoin Cash Trust (BCHG) and Litecoin Trust (LTCN) to be quoted in over-the-counter (OTC) markets by US Financial Industry Regulatory Authority (FINRA). “The Trusts are open-ended trusts sponsored by Grayscale and are intended to enable exposure to the price movement of the Trusts’ underlying assets through a traditional investment vehicle, avoiding the challenges of buying, storing, and safekeeping digital Bitcoin Cash or Litecoin directly.” More green lights for Cryptocurrency in the US as regulators allow banks to provide cryptocurrency custody services (which may go further than just custody services). A little bit strange as it seems unnecessary and undermines one of the key factors and uses of cryptocurrency which is to be in complete control of your own finances... On another outlook this may be bullish as it allows US banks to provide banking services directly to lawful cryptocurrency businesses and show support for Bitcoin. Visa shows support stating they have a roadmap for their further expansion into the Crypto sphere. Already working with Crypto platform Coinbase and Fold they have stated they recognise the role of digital assets in the future of money. To be frank, it appears to be focused on stable coins, cost effectiveness and transaction speeds. However they are expanding their support for crypto assets. AND MOST IMPORTANTLY, DeFI! Our very own growing section in crypto. Just like the 2017 ICO boom we are seeing exorbitant growth and FOMO into the Decentralised Finance sector (WBTC, Stablecoins, Yield farming, DEXs etc). The amount of active addresses on Ethereum has doubled but with the FOMO on their network have sky rocketed their fees! Large use-cases of stable coins such as USDT ($6B in circulation using ERC-20 standard), DAI, TUSD, and PAX. $114M Wrapped Bitcoin (WBTC) on their network acts as a fluid side chain for Bitcoin and DEX trade volume has touched $1.6B this month. With all this action happening on Ethereum I saw the 24HR volume surpass BTC briefly on Worldcoinindex.com In other news, Bitcoin has been set as a new precedent in a US federal court in a case against Larry Dean Harmon, the operator of an underground trading platform Helix. Bitcoin has now legally been ruled as a form of money. “After examination of the relevant statutes, case law, and other sources, the Court concludes that bitcoin is money under the MTA and that Helix, as described in the indictment, was an `unlicensed money transmitting business´ under applicable federal law.” Quick news in China/Asia as floods threaten miners and the most dominant ASIC Bitcoin mining rig manufacturer Bitmain loses 10,000 Antminers worth millions alledgedly goes missing or "illegally transfered" with ongoing leadership dispute between cofounders. Last but not least, Cardano (ADA) upgrade Shelley is ready to launch! Hardfork is initiated as final countdown clock is switched on. At time of writing the point of no return has been reached, stress tests done and confirmation Hardfork is coming 29/07 The Shelley Mainnet upgrade is a step toward fast, capable and decentralised crypto that can serve billions of people. With the Shelley Mainnet is ADA staking rewards and pools! Here is a chance for us Gravychainers to set up a small pool of our own. Small percentage of profits going into the development of the community, and you keep the rest! If you read all of my ramblings thanks heaps! I appreciate it! I have added an extra piece of reading called speculation. Most you can speculate on by just reading the headline some others have more depth to them. Another post next week for a weekly round up! Where do you think the market is going? What is in your portfolio? Let us know in the Gravychain Discord Channel See you soon!
🍕 Bring some virtual pizza to share 🍕 Come have a chat, stimulate a discussion, ask a question or share some knowledge. We are all friendly crypto enthusiasts up for a chat, supportive and want to help each other with knowledge and investments! Big thanks to our Telegram and My Crypto HQ for the constant news updates!
P.S. Dr Seuss collectables on the blockchain HECK YEAH! and Bitcoin enters NASCAR, remember when Doge did this? it was like when Doge was trending on TikTok. ... Oh yeah did I also mention Steve Wozniak is suing Youtube, Google over rampant Bitcoin scams. Wait, what? Sydney based law firm JPB Liberty is suing Google, Facebook and Twitter for up to $300B. Just another day in the Cryptosphere.
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.
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.
Bitcoin (BTC) is a peer-to-peer cryptocurrency that aims to function as a means of exchange that is independent of any central authority. BTC can be transferred electronically in a secure, verifiable, and immutable way.
Launched in 2009, BTC is the first virtual currency to solve the double-spending issue by timestamping transactions before broadcasting them to all of the nodes in the Bitcoin network. The Bitcoin Protocol offered a solution to the Byzantine Generals’ Problem with ablockchainnetwork structure, a notion first created byStuart Haber and W. Scott Stornetta in 1991.
Bitcoin’s whitepaper was published pseudonymously in 2008 by an individual, or a group, with the pseudonym “Satoshi Nakamoto”, whose underlying identity has still not been verified.
The Bitcoin protocol uses an SHA-256d-based Proof-of-Work (PoW) algorithm to reach network consensus. Its network has a target block time of 10 minutes and a maximum supply of 21 million tokens, with a decaying token emission rate. To prevent fluctuation of the block time, the network’s block difficulty is re-adjusted through an algorithm based on the past 2016 block times.
With a block size limit capped at 1 megabyte, the Bitcoin Protocol has supported both the Lightning Network, a second-layer infrastructure for payment channels, and Segregated Witness, a soft-fork to increase the number of transactions on a block, as solutions to network scalability.
Bitcoin is a peer-to-peer cryptocurrency that aims to function as a means of exchange and is independent of any central authority. Bitcoins are transferred electronically in a secure, verifiable, and immutable way.
Network validators, whom are often referred to as miners, participate in the SHA-256d-based Proof-of-Work consensus mechanism to determine the next global state of the blockchain.
The Bitcoin protocol has a target block time of 10 minutes, and a maximum supply of 21 million tokens. The only way new bitcoins can be produced is when a block producer generates a new valid block.
The protocol has a token emission rate that halves every 210,000 blocks, or approximately every 4 years.
Unlike public blockchain infrastructures supporting the development of decentralized applications (Ethereum), the Bitcoin protocol is primarily used only for payments, and has only very limited support for smart contract-like functionalities (Bitcoin “Script” is mostly used to create certain conditions before bitcoins are used to be spent).
In the Bitcoin network, anyone can join the network and become a bookkeeping service provider i.e., a validator. All validators are allowed in the race to become the block producer for the next block, yet only the first to complete a computationally heavy task will win. This feature is called Proof of Work (PoW). The probability of any single validator to finish the task first is equal to the percentage of the total network computation power, or hash power, the validator has. For instance, a validator with 5% of the total network computation power will have a 5% chance of completing the task first, and therefore becoming the next block producer. Since anyone can join the race, competition is prone to increase. In the early days, Bitcoin mining was mostly done by personal computer CPUs. As of today, Bitcoin validators, or miners, have opted for dedicated and more powerful devices such as machines based on Application-Specific Integrated Circuit (“ASIC”). Proof of Work secures the network as block producers must have spent resources external to the network (i.e., money to pay electricity), and can provide proof to other participants that they did so. With various miners competing for block rewards, it becomes difficult for one single malicious party to gain network majority (defined as more than 51% of the network’s hash power in the Nakamoto consensus mechanism). The ability to rearrange transactions via 51% attacks indicates another feature of the Nakamoto consensus: the finality of transactions is only probabilistic. Once a block is produced, it is then propagated by the block producer to all other validators to check on the validity of all transactions in that block. The block producer will receive rewards in the network’s native currency (i.e., bitcoin) as all validators approve the block and update their ledgers.
The Bitcoin protocol utilizes the Merkle tree data structure in order to organize hashes of numerous individual transactions into each block. This concept is named after Ralph Merkle, who patented it in 1979. With the use of a Merkle tree, though each block might contain thousands of transactions, it will have the ability to combine all of their hashes and condense them into one, allowing efficient and secure verification of this group of transactions. This single hash called is a Merkle root, which is stored in the Block Header of a block. The Block Header also stores other meta information of a block, such as a hash of the previous Block Header, which enables blocks to be associated in a chain-like structure (hence the name “blockchain”). An illustration of block production in the Bitcoin Protocol is demonstrated below. https://preview.redd.it/m6texxicf3151.png?width=1591&format=png&auto=webp&s=f4253304912ed8370948b9c524e08fef28f1c78d
Block time and mining difficulty
Block time is the period required to create the next block in a network. As mentioned above, the node who solves the computationally intensive task will be allowed to produce the next block. Therefore, block time is directly correlated to the amount of time it takes for a node to find a solution to the task. The Bitcoin protocol sets a target block time of 10 minutes, and attempts to achieve this by introducing a variable named mining difficulty. Mining difficulty refers to how difficult it is for the node to solve the computationally intensive task. If the network sets a high difficulty for the task, while miners have low computational power, which is often referred to as “hashrate”, it would statistically take longer for the nodes to get an answer for the task. If the difficulty is low, but miners have rather strong computational power, statistically, some nodes will be able to solve the task quickly. Therefore, the 10 minute target block time is achieved by constantly and automatically adjusting the mining difficulty according to how much computational power there is amongst the nodes. The average block time of the network is evaluated after a certain number of blocks, and if it is greater than the expected block time, the difficulty level will decrease; if it is less than the expected block time, the difficulty level will increase.
What are orphan blocks?
In a PoW blockchain network, if the block time is too low, it would increase the likelihood of nodes producingorphan blocks, for which they would receive no reward. Orphan blocks are produced by nodes who solved the task but did not broadcast their results to the whole network the quickest due to network latency. It takes time for a message to travel through a network, and it is entirely possible for 2 nodes to complete the task and start to broadcast their results to the network at roughly the same time, while one’s messages are received by all other nodes earlier as the node has low latency. Imagine there is a network latency of 1 minute and a target block time of 2 minutes. A node could solve the task in around 1 minute but his message would take 1 minute to reach the rest of the nodes that are still working on the solution. While his message travels through the network, all the work done by all other nodes during that 1 minute, even if these nodes also complete the task, would go to waste. In this case, 50% of the computational power contributed to the network is wasted. The percentage of wasted computational power would proportionally decrease if the mining difficulty were higher, as it would statistically take longer for miners to complete the task. In other words, if the mining difficulty, and therefore targeted block time is low, miners with powerful and often centralized mining facilities would get a higher chance of becoming the block producer, while the participation of weaker miners would become in vain. This introduces possible centralization and weakens the overall security of the network. However, given a limited amount of transactions that can be stored in a block, making the block time too longwould decrease the number of transactions the network can process per second, negatively affecting network scalability.
3. Bitcoin’s additional features
Segregated Witness (SegWit)
Segregated Witness, often abbreviated as SegWit, is a protocol upgrade proposal that went live in August 2017. SegWit separates witness signatures from transaction-related data. Witness signatures in legacy Bitcoin blocks often take more than 50% of the block size. By removing witness signatures from the transaction block, this protocol upgrade effectively increases the number of transactions that can be stored in a single block, enabling the network to handle more transactions per second. As a result, SegWit increases the scalability of Nakamoto consensus-based blockchain networks like Bitcoin and Litecoin. SegWit also makes transactions cheaper. Since transaction fees are derived from how much data is being processed by the block producer, the more transactions that can be stored in a 1MB block, the cheaper individual transactions become. https://preview.redd.it/depya70mf3151.png?width=1601&format=png&auto=webp&s=a6499aa2131fbf347f8ffd812930b2f7d66be48e The legacy Bitcoin block has a block size limit of 1 megabyte, and any change on the block size would require a network hard-fork. On August 1st 2017, the first hard-fork occurred, leading to the creation of Bitcoin Cash (“BCH”), which introduced an 8 megabyte block size limit. Conversely, Segregated Witness was a soft-fork: it never changed the transaction block size limit of the network. Instead, it added an extended block with an upper limit of 3 megabytes, which contains solely witness signatures, to the 1 megabyte block that contains only transaction data. This new block type can be processed even by nodes that have not completed the SegWit protocol upgrade. Furthermore, the separation of witness signatures from transaction data solves the malleability issue with the original Bitcoin protocol. Without Segregated Witness, these signatures could be altered before the block is validated by miners. Indeed, alterations can be done in such a way that if the system does a mathematical check, the signature would still be valid. However, since the values in the signature are changed, the two signatures would create vastly different hash values. For instance, if a witness signature states “6,” it has a mathematical value of 6, and would create a hash value of 12345. However, if the witness signature were changed to “06”, it would maintain a mathematical value of 6 while creating a (faulty) hash value of 67890. Since the mathematical values are the same, the altered signature remains a valid signature. This would create a bookkeeping issue, as transactions in Nakamoto consensus-based blockchain networks are documented with these hash values, or transaction IDs. Effectively, one can alter a transaction ID to a new one, and the new ID can still be valid. This can create many issues, as illustrated in the below example:
Alice sends Bob 1 BTC, and Bob sends Merchant Carol this 1 BTC for some goods.
Bob sends Carols this 1 BTC, while the transaction from Alice to Bob is not yet validated. Carol sees this incoming transaction of 1 BTC to him, and immediately ships goods to B.
At the moment, the transaction from Alice to Bob is still not confirmed by the network, and Bob can change the witness signature, therefore changing this transaction ID from 12345 to 67890.
Now Carol will not receive his 1 BTC, as the network looks for transaction 12345 to ensure that Bob’s wallet balance is valid.
As this particular transaction ID changed from 12345 to 67890, the transaction from Bob to Carol will fail, and Bob will get his goods while still holding his BTC.
With the Segregated Witness upgrade, such instances can not happen again. This is because the witness signatures are moved outside of the transaction block into an extended block, and altering the witness signature won’t affect the transaction ID. Since the transaction malleability issue is fixed, Segregated Witness also enables the proper functioning of second-layer scalability solutions on the Bitcoin protocol, such as the Lightning Network.
Lightning Network is a second-layer micropayment solution for scalability. Specifically, Lightning Network aims to enable near-instant and low-cost payments between merchants and customers that wish to use bitcoins. Lightning Network was conceptualized in a whitepaper by Joseph Poon and Thaddeus Dryja in 2015. Since then, it has been implemented by multiple companies. The most prominent of them include Blockstream, Lightning Labs, and ACINQ. A list of curated resources relevant to Lightning Network can be found here. In the Lightning Network, if a customer wishes to transact with a merchant, both of them need to open a payment channel, which operates off the Bitcoin blockchain (i.e., off-chain vs. on-chain). None of the transaction details from this payment channel are recorded on the blockchain, and only when the channel is closed will the end result of both party’s wallet balances be updated to the blockchain. The blockchain only serves as a settlement layer for Lightning transactions. Since all transactions done via the payment channel are conducted independently of the Nakamoto consensus, both parties involved in transactions do not need to wait for network confirmation on transactions. Instead, transacting parties would pay transaction fees to Bitcoin miners only when they decide to close the channel. https://preview.redd.it/cy56icarf3151.png?width=1601&format=png&auto=webp&s=b239a63c6a87ec6cc1b18ce2cbd0355f8831c3a8 One limitation to the Lightning Network is that it requires a person to be online to receive transactions attributing towards him. Another limitation in user experience could be that one needs to lock up some funds every time he wishes to open a payment channel, and is only able to use that fund within the channel. However, this does not mean he needs to create new channels every time he wishes to transact with a different person on the Lightning Network. If Alice wants to send money to Carol, but they do not have a payment channel open, they can ask Bob, who has payment channels open to both Alice and Carol, to help make that transaction. Alice will be able to send funds to Bob, and Bob to Carol. Hence, the number of “payment hubs” (i.e., Bob in the previous example) correlates with both the convenience and the usability of the Lightning Network for real-world applications.
Schnorr Signature upgrade proposal
Elliptic Curve Digital Signature Algorithm (“ECDSA”) signatures are used to sign transactions on the Bitcoin blockchain. https://preview.redd.it/hjeqe4l7g3151.png?width=1601&format=png&auto=webp&s=8014fb08fe62ac4d91645499bc0c7e1c04c5d7c4 However, many developers now advocate for replacing ECDSA with Schnorr Signature. Once Schnorr Signatures are implemented, multiple parties can collaborate in producing a signature that is valid for the sum of their public keys. This would primarily be beneficial for network scalability. When multiple addresses were to conduct transactions to a single address, each transaction would require their own signature. With Schnorr Signature, all these signatures would be combined into one. As a result, the network would be able to store more transactions in a single block. https://preview.redd.it/axg3wayag3151.png?width=1601&format=png&auto=webp&s=93d958fa6b0e623caa82ca71fe457b4daa88c71e The reduced size in signatures implies a reduced cost on transaction fees. The group of senders can split the transaction fees for that one group signature, instead of paying for one personal signature individually. Schnorr Signature also improves network privacy and token fungibility. A third-party observer will not be able to detect if a user is sending a multi-signature transaction, since the signature will be in the same format as a single-signature transaction.
4. Economics and supply distribution
The Bitcoin protocol utilizes the Nakamoto consensus, and nodes validate blocks via Proof-of-Work mining. The bitcoin token was not pre-mined, and has a maximum supply of 21 million. The initial reward for a block was 50 BTC per block. Block mining rewards halve every 210,000 blocks. Since the average time for block production on the blockchain is 10 minutes, it implies that the block reward halving events will approximately take place every 4 years. As of May 12th 2020, the block mining rewards are 6.25 BTC per block. Transaction fees also represent a minor revenue stream for miners.
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