EOS (EOS)

$2.61 (+0.38%)

EOS/BTC

0.00035904 BTC (-0.26%)

EOS/USD

$ 2.61 (+0.38%)

EOS Discussion

BestChange  Nov 29 2019 11:52
[b]Fraudsters are selling Gram. Telegram warns users[/b] Pavel Durov’s team said that selling of Gram tokens has not started yet, and asked users to not fall for scammers’ tricks. “Some websites offer Gram for sale and pretend to be connected with Telegram. Please be advised that these sites are not official and have no relation to Telegram. Gram has not yet been given to anyone and Telegram is not selling Gramâ€￾, - states the official Telegram-channel of the company. [b]Cryptocurrency worth of $4.4 billion stolen in 2019[/b] According to the research company CiperTrace, the amount of theft and scamming in the sphere of cryptocurrency reached $4,4 billion since the beginning of the year. The report says that in Q3 of 2019 criminal have stolen the minimal amount during the past years. However, in comparison with the last year, the losses increased by $2,7 billion. The company’s experts also named the largest crypto crimes of the year: the cryptocurrency pyramin PlusToken ($2,9 billion) and shutting down of the exchange QuadrigaCX ($195 million). [b]Andreas Antonopoulos: governments place a damper on bitcoin price[/b] Andreas Antonopoulos, famous bitcoin enthusiast, said that governments act to lower bitcoin’s price, but this is not a conspiracy, it’s just their “jobâ€￾. “We know for a fact that when the bitcoin bubble started to go up really fast in 2017, the U.S. Treasury decided to fast-track the deployments of futures markets in order to stop that bubble. A lot of people see that as conspiracy, but if you look at the mandate of institutions like the Treasury, that’s actually their jobâ€￾, Antonopoulos said in his interview with crypto blogger Ivan on Tech. According to the analyst, this allowed investors to open positions for on lowering the price of bitcoin which balanced the market, as well as reduced its volatility. [img]https://sun9-64.userapi.com/c855024/v855024655/189828/nrTYFFEWZtM.jpg[/img]
BestChange  Nov 25 2019 07:39
[b]Bitcoin crashes below $7,000[/b] Last Friday the world’s first cryptocurrency lost over 10% om price and crashed below $7,000 on a number of exchanges. Such low price of bitcoins is registered for the first time since May this year. Against this background, the “fear indexâ€￾ has dipped down to extreme values at the level of 20. According to the site Alternative.me it can mean a possible growth of the cryptocurrency. [b]Binance CEO refutes rumors about the raid in Shanghai office of the exchange[/b] On November, 21 media announced that the largest office of Binance in Shanghai shut down after a police raid. Many analytics connect this news to the cryptocurrencies losing prices, including bitcoin’s dropping below $7,000. Changpeng Zhao, CEO of Binance, refuted this information, calling this information a FUD block. “No police, no raid, no office. Hope you didn’t pay to read that FUD block.â€￾ — he wrote in his Twitter-account. [b]The USA can make Facebook’s cryptocurrency a security[/b] The House of Representative of the USA introduced a new bill about acknowledging managed stablecoins such as Libra as securities. "Managed stablecoins, such as the proposed Libra, are clearly securities under existing law. This legislation simply clarifies the statute to remove any ambiguity. Bringing clarity to the regulatory structure of these digital assets protects consumers and ensures proper government oversight going forward", — stated Sylvia Garcia, one of the bill's authors. [img]https://sun9-46.userapi.com/c855136/v855136820/17de2c/X27AxIklqn8.jpg[/img]
BestChange  Nov 22 2019 13:11
[b]USA can launch their own cryptocurrency[/b] The Federal Reserve is looking into developing a digital currency in the US. It was announced by its Chairman Jerome Powell in a letter to lawmakers this week in his reply to the letter from Congressmen French Hill and Bill Foster. They are concerned that the Chinese cryptocurrency on which the Chinese government is already working can jeopardize the USA’s position in the world’s economy. Powell specified that so far the Federal Reserve “not identified potential material benefits of a general purpose central bank digital currency to the implementation of monetary policy" and is only studying the rationale for creating it. [b]Tether and Litecoin have the largest portion of whales[/b] IntoTheBlock said what percentage of the most popular cryptocurrencies is owned by the largest owners. Tether and Litecoin turned out to be the most centralized: 63% of USDT is owned by 132 addresses, and 47% of LTC is owned by 131 address. The data for the other large crypto currencies looks like this: ETH — 151 addresses own 39%, Bitcoin Cash — 112 addresses own 29%, Bitcoin SV — 103 addresses own 24%, and 39% of Cardano is owned by only 41 addresses. [b]PayPal CEO said he has bitcoins[/b] Dan Schulman, the CEO of payment processor PayPal, revealed that he owns only one cryptocurrency, bitcoin. He also said that BTC is an “interesting ideaâ€￾, and blockchain is a “promising technologyâ€￾. “As for cryptocurrency, it is still very volatile, and that they do not have much demand for it by merchants because merchants operate on very small margins. What they need to do is to turn it to fiat immediately. There is a charge for turning it into fiat, that is why any advantages in price will be eaten up by this conversion feeâ€￾, Schulman said. [img]https://sun9-65.userapi.com/c857732/v857732339/f382f/HJOIb2jdT4E.jpg[/img]
BestChange  Nov 12 2019 12:47
[b]Ethereum developer confirmed the date of hardfork[/b] The next upgrade of Ethereum blockchain called Istanbul, which the users have been waiting for over six months, will be implemented before the end of the year. This has been announced by their developer Peter Szilágyi in Twitter. The hardfork is scheduled to take place at block 9069000 which should be generated around December, 4, 2019.Fot this new client Geth has already been launched, which already has hard fork. The peculiarity of the upgrade will be implementing of ProgPoW, programming algorithm aimed at eliminating the advantage of ASIC-miners over GPU-miners. But the users look more forward to the next upgrade Berlin which is scheduled for the first half of 2020. [b]North Korea accused of money laundering with the help of cryptocurrencies[/b] The UN Security Council Sanctions Committee on North Korea led an investigation which discovered the connection between the country and the Hong Kong blockchain company Marine China. According to the representatives of UK Security Council, the country’s leadership has been using various strategies with cryptocurrency to evade from international sanctions. It is reported that North Korea made at least 5,000 transactions using stolen cryptocurrenies. It was made to make establishing the source of the money more complicated. It is believed that the North Korean hackers were using phishing attacks and computer viruses to steal digital currencies and then laundered and cashed it in Singaporean banks. The Committee has not named the total amount of stolen funds.
BestChange  Nov 07 2019 13:26
Actions of one whale could influence on bitcoin surge in 2017 and Stellar has destroyed 55 billion of their token [b]Bitcoin price surge of 2017 could be fueled by one whale[/b] The University of Texas has published research which shows that a whale was buying a large amount of BTC during drawdowns and additional emission of USDT. It is important that such a “schemeâ€￾ was used only on the Bitfinex exchange. Connection between bitcoin growth and USDT have been discussed before. TokenAnalyst experts have already noted an incredible coincidence between bitcoin pump and Tether emission. However, it was believed earlier that this had been caused by actions of lots of independent traders. A group of researchers analyzed all BTC and USDT transaction between March, 1, 2017 and March, 31, 2018 and came to a conclusion that it had been one large player. At the same time, no similar pattern was detected on other exchanges. It should be understood that Bitfinex controlled over 20% of the market in 2017-2018, and it is only by 2019 that the exchange’s market share dropped to 7,3%. [b]Stellar burst into the top 10 cryptocurrencies after destroying 55 billion tokens[/b] Stellar team reported destroying 55 billion of tokens. They took this decision after analyzing the plan of blockchain implementation. The coins that got destroyed were mainly the ones for airdrop (out of 43,5 billion only 6 remained), as well as operational fund (out of 16 billion, 11 remained) and affiliate programs (12 billion out of 25). This was announced at Meridian conference in Mexico, Stellar Development Foundation announced the burning and in two hours the token rate increased by 16% from $0,069 to 0,083. Currently, correction took place and Stellar’s price is $0.0806. The developers said that no further coin burning is planned. In total, 55 billion (worth of $4 billion) of XML were destroyed. [b]Einstein Exchange shuts down with the debt of 16 million[/b] Einstein Exchange clients say that the exchange’s management and employees stopped replying to requests and complaints, and the users cannot get access to their funds. Currently, the management of the exchange has been transferred to the British Columbia Securities Commission (Canada). The total damage estimate is $16 million. When the exchange was registered its management provided judicial evidence of possessing assets to satisfy all withdrawal requests, however refused to provide the location of the funds. Currently the office of the exchange is closed, there is no access to their website and investigators cannot establish the location of Michael Ongun Gokturk, the exchange founder. The pages of the exchange in social networks are buried under complaints of dissatisfied customers. [img]https://sun9-7.userapi.com/c854020/v854020624/1583de/ELlm-DgEm0s.jpg[/img]
BestChange  Oct 29 2019 12:09
Will China buy all the bitcoins? Xi Jinping, General Secretary of the People’s Republic of China, called for more efforts to advance development in the field of blockchain technologies, which lead to a frenzy in the world of cryptocurrency. For instance, after Xi’s speech, the search volume in the app WeChat for hashtags “Blockchainâ€￾ and “Bitcoinâ€￾ increased 12 and 2 fold correspondingly, and Chinese cryptocoins saw a dramatic price boost during the last weekend. For instance, TRX surged by 50%, and Neo almost doubled its value, having fixed it at a little over $11 for a coin. Against the background of this frenzy, some people saw China's growing interest in cryptocurrencies as a threat. One of them is Anthony Pompiliano, who tweeted: “Someone tell President Donald Trump that there are only 21 million Bitcoin and China is planning to buy them all. This is going to be the real US – China competition. That should get him to pay attention. The guy hates losing and will try to buy them all.â€￾ However, despite this tweet was supported by many people, the majority favor a different opinion on forums dedicated to cryptocurrencies: “If China buys all bitcoins in free circulations, it will acquire nothing more than a large number of empty “candy wrappersâ€￾, because, as cryptocurrency owners think “in this outcome the interest to bitcoin will evaporate, and the demand for it will drop to zeroâ€￾ Crypto Capital Principal indicted According to court documents, presented to the accused by the Attorney of the Southern District of New York, Crypto Capital Pricnipal Oz Yosef was planning to transfer $ 10,000,000 to a bank located in the Bahamas for the purpose of misappropriation, which falls under the article on bank fraud. During the investigation, the company’s funds were frozen. It must be noted that $880 of these funds belonged to Bitfinex cryptocurrency exchange. 51 % attack in BCash chain For a day, in the interval between October 24-25, one or several miners controlled half of all computing power used for mining Bitcoin Cash. During this time the unknown perpetrator(s) managed to mine 73 blocks. This situation attracted great attention, and the position of the cryptocurrency already not very welcomed in the Internet became even more precarious. For instance, Twitter user Notgrubles suggested delisting Bitcoin Cash from main trading platforms. [img]https://sun9-3.userapi.com/c855424/v855424227/14170a/0CRJcShbPYU.jpg[/img]
BestChange  Oct 24 2019 07:14
[b]Visa and MasterCard created an Apple Pay competitor for paying for online purchases[/b] Payment systems Visa, MasterCard, American Express and Discover joined their efforts to create a new option to pay for online purchases in “one clickâ€￾. The joint project Click to Pay will make online checkout easier as all the payment details will be kept in one place. This eliminates the need to enter your credit card number each time. The new payment service is expected to become the main competitor of Apple Pay and PayPal. A similar function (one-click purchase) is already working on Amazon, but the use is limited only by this online-retailer. [b]Ex-CFTC Chair: we deliberately collapsed bitcoin[/b] Christopher Giancarlo, former chairman of the US Commodity Futures Trading Commission said that the Treasury and the SEC are responsible for bitcoin’s drop in price after reaching its historical minimum in December 2017. According to him, the regulator intentionally approved the release of bitcoin futures on Chicago Mercantile Exchange to allow to open short positions. "We saw a bubble building and we thought the best way to address it was to allow the market to interact with it." Giancarlo said that the US Treasury and SEC decided to collapse the BTC price to prevent the bubble from reaching the dangerous size for the economy. In their time regulators overlooked the beginning of the 2008 financial crisis, that’s why in 2017 they took preventive steps. [b]Casa start-up solves the problem of passing on crypto assets[/b] Custodial start-up Cassa offers a service of guaranteed passing on of crypto assets. The gist of the offer is that the owner makes an agreement with Case in which he gives an additional key to his wallet. Thanks to the fact that the optional key with multisignature is transferred to Casa, this eliminates the theft of bitcoins. In case the owner of the cryptocurrency passes away, Casa fulfills the last will of the deceased. [img]https://sun9-20.userapi.com/c857528/v857528119/bba8b/XDNeaoZJMbc.jpg[/img]
BestChange  Oct 21 2019 08:23
[b]Hidden miners were found in audio files[/b] BlackBerry Cylance threat researches discovered malicious virus – Monero miner embedded within WAV audio files. When played, some of the WAV had no glitches, others generated white noise. The specialists discovered embedded code Monero CPU miner, as well as the code used to establish a reverse shell to remotely connect to the victim’s network. [b]NewsBTC analyst: bitcoin dropped down to $7,500[/b] Aayush Jindal, expert for NewsBTC website believes that the world’s main crypto coin will continue falling. The next levels will be $7,800 ? $7,500. According to him, the resistance at supporting bitcoin’s price of $8,000 was a reason behind the new bearish trend on the 4-hours chart. There is a major bearish trend line forming with resistance near $7,950 on the 4-hours chart of the BTC/USD pair. MACD and RSI indicators also signal the declining movement. Currently BTC is trading around the mark of $7,900. [b]Are whales to blame for bitcoin’s decline?[/b] On Friday bitcoin lost about 1,8% in price. The dump started at night, and right on the verge of it Whale Alert analysts detected a transfer of 10,000 BTC (around $80 mln) to Binance trading platform. If these two events are connected is not clear, but the crypto community is actively discussing the topic of bitcoin-whales manipulating the market. Unlike the classic markets, the crypto market has no protection against such activities.
BestChange  Sep 25 2019 07:01
[b]The market of popular crypto currencies is still in the “red zoneâ€￾[/b] During the last day the price of bitcoin was gradually growing. However, the crypto coin, as well as the other top-10 tokens, has not yet left the “red zoneâ€￾ of the market. According to Coinmarketcap, at 15:00 CET, the first crypto coin’s price was $9,690. Market players have different opinions in this regard. Some insist that they hope for the prospect of BTC growth. Others say that there are no drivers for growing in price yet, and the price fluctuations are strictly speculative in nature. During the last 24 hours, Ethereum dropped more than by 6%, having reached $197. Litecoin has demonstrated the most dramatic drop (-9.23%), having fallen down to $66. [b]Opinion: BTC is now more stable than a year ago [/b] Alex Krüger, the famous cryptocurrency trader, expressed an opinion that currently the position of the first cryptocurrency is much more stable than it was in 2018. Then, the average trading BTC rate was at the level of $6,400, and this year the crypto coin has managed to get over the $10,000 mark. The crypto enthusiast believes that the BTC rate growth signals the average increase of crypto coin’s popularity. The gradual adoption of bitcoin is also indicated by the fact that 25 thousand retailers in France, for instance, the Sephora network, plan to accept the first cryptocurrency. It is scheduled to happen already in the beginning of the following year. [b]Nigerian government official paid $15K ransom in Bitcoin[/b] In a publication for Daily Trust, Nigerian government official Dr. Umar Ardo said the criminals made him pay a $15,000 ransom in bitcoin to release his kidnapped daughter. Last week, Dr. Ardo’s daughter Amado was kidnapped at a gunpoint around a shopping center. What strikes about this incident is that it is for the first time in history that criminals demand payment in cryptocurrency. Why in bitcoin? Investigators believe the criminals requested the ransom to be paid in bitcoin to remain anonymous and escape penalty, since blockchain transactions are completely anonymous. Sadly, incidents like these cast a shadow at the refutation of cryptocurrencies. Despite the indisputable advantages of blockchain technology, many leaders have voiced concern regarding anonymity connected with that.ndustry innovations will push the payment systems to search for original ways for development. Only this way they will be able to meet competition and tap into new markets. [img]https://sun9-21.userapi.com/c856136/v856136918/fc5ea/gp-TSUwNBD0.jpg[/img]
BestChange  Sep 20 2019 07:10
[b]Largest chain of convenience stores in Lithuania will promote bitcoins[/b] Narvesen chain (60 stores) and Lietuvos Spauda kiosks in Lithuania are launching the sale of bitcoin vouchers that can be exchanged online into real bitcoins. A person will not need any ID for that, they will only need to provide their email address and the address of their cryptocurrency wallet. This project is aimed at simplifying the possibility to buy Bitcoins, even for those who have never done that. Narvesen stores and Lietuvos Spauda kiosks have been chosen for that purpose due to their popularity among Lithuanians and positive attitude to cryptocurrencies, and their clients is a necessary targeted audience. [b]Head of BitMEX crypto exchange is confident in explosive growth of BTC[/b] Arthur Hayes, CEO of cryptocurrency derivatives platform BitMEX is confident that the main crypto coin will once again reach the mark of $20, 000. Crypto enthusiast thinks that will happen because of pumping the economy with newly-printed money which will lead to the loss of interest to fiat money. Hayes believes that The US Federal Reserve will restart quantitative easing policy. Last week the European Central Bank launched the program and decreased the deposit rate down to a new historical minimum. [b] Analysts: Payment companies will have to look for new development options[/b] Analysts of the consulting firm Bain & Company are confident that the payment market will soon change dramatically, as mentioned in their last report. Payment operations will cease to be a separate specialization. Digital wallets will grow in popularity among regular users. “Payments will become free for users and, in the end, for retailers, they will be instant and embedded into other products and services. Cars and fridges, and not people, will be able to place automated orders for replenishing suppliesâ€￾, - experts think. Industry innovations will push the payment systems to search for original ways for development. Only this way they will be able to meet competition and tap into new markets. [img]https://sun9-61.userapi.com/c854028/v854028130/f8e46/f47B6vTdlkQ.jpg[/img]
BestChange  Sep 09 2019 08:44
There are prospects: forecasts of digital currency market participants This week was full of various events for both participants of the cryptocurrency industry as well observers. Here are some expert comments on the current development of the digital asset market. On Monday Yves Mersch, Member of the Executive Board of the European Central Bank (ECB) criticized Facebook’s Libra.â€￾Libra could reduce the ECB’s control over the euro, impair the monetary policy transmission mechanism by affecting the liquidity position of euro area banks, and undermine the single currency’s international roleâ€￾ . The official has also noted that Facebook’s cryptocoin will in fact be accountable to shareholders, raising trust issues, as it will not be backed by a central bank. Mersch called on regulators to take tight control over Facebook’s projects, and for users not to trust the tempting but questionable promises from the representatives of the American company. Meanwhile, Jack Dorsey, the head of Square payment start-up and Twitter co-founder, continues to insist that cryprtocurrencies will continue to spread. The businessman believes in bitcoin, but he thinks that it is still too early to call it currency. In one of his latest interviews Dorsey notes, that bitcoin’s rises and falls in prices are more characteristic of a investment asset, such as gold. He hopes that as soon as the cryptocurrency becomes the currency of the Internet, his own start-up will pay more attention to services that create added value, rather than those that are engaged in money transfer Mark Mobius, an investor in developing markets and Mobius Capital Partners founder said that gold-backed cryptocurrency can be an interesting phenomenon. The investor emphasized that there is a whole generation of people who have faith in the internet, and they have faith in cryptocurrencies. “People believe in dollar because they have faith that with dollars in their hands they can buy something. Crypto enables people to buy something merely because they believe it has valueâ€￾, Mobius said. In the beginning of the week trader Peter Brandt tweeted that bitcoin has entered the fourth cycle of the parabolic uptrend that could lead it significantly past its all-time high price. The analyst is confident that the price of Bitcoin will reach one hundred thousand dollars in the long run. And although this bold prognosis does not yet have lots of supporters, one can’t ignore the fact that the price of the main cryptocoin is showing steady growth since Monday. According to Coinmarketcap, by September,6, bitcoin rose in price up to $10 875, starting from the mark of $9 623 on the night of September,2. [img]https://sun9-43.userapi.com/c851236/v851236838/1b7894/NN8Zmgz3H3M.jpg[/img]
BestChange  Sep 03 2019 07:16
??The cost of bitcoin transaction fell by almost 90% BTC trades almost reached the level of the end of 2017. This is the period when the main cryptocurrency began its famous rally, the peak of which was the increase in the coin rate up to $ 20,000. According to the information of Bitinfocharts service, since that moment the cost for transactions has dropped by almost 88%. In December 2017 commission was around $10-30, and now it has fell down to $0,58 on average. It can be due to considerable popularity of processing operations of BTC transactions at the end of 2017 in comparison with today. Then up to 400 000 operations went through the network daily, when now this figure has dropped to 300 – 350 000 transactions. Another factor influencing the commission cost is the growing popularity of SegWit protocol, the share of usage of which has recently exceeded 60 per cent. ??Transparent Volume experts: Only 17% of bitcoin transactions do not raise suspicion According to the new service Transparent Volume of the Nomics cryptocompany, the majority of transactions with the main cryptocoin are suspicious. The experts say that only 17% of BTC operations can be considered genuine. Around 35% of transactions are evaluated within the range from “satisfactoryâ€￾ to “badâ€￾. The total amount of such operations today has reached $3,99 billion. Transparent Volume is created to monitor the circulation of digital asses between different platforms. It works in real time. Nomics believes that usage of Transparent Volume will help users obtain full and objective information about current trade volumes. The service positions itself as a platform whose work is associated with lesser risk of recording information about fictitious transactions and other misleading facts. [img]https://sun9-38.userapi.com/c858224/v858224681/5a43b/axD0t0pnyXg.jpg[/img]
BestChange  Aug 27 2019 11:42
Dear readers and users of our platform, we have two pieces of good news. 1. From now on, the offers of the exchangers are accompanied not only by a minimal, but also by a maximal exchange amount. To see the maximum the exchanger is ready to exchange, all you need to do is to hover the cursor over the line (on mobile devices it is needed to touch and hold a finger on a selected line for some time). We would like to remind you that the current reserves of an exchanger may be lower than a maximal exchange amount, please pay attention to this when selecting an exchanger or use the “Calculatorâ€￾ tab to sift out exchangers that are not suitable for you. [img]https://sun9-18.userapi.com/c856124/v856124868/d914a/I8xpGpq83Jw.jpg[/img] 2. Against the backdrop of a significant flow of USDT tokens capital to the Ethereum blockchain, many large exchanges have already added support for ERC-20 standard tokens. Now in our monitoring BestChange.com you can see two types of tokens USDT-Omni and USDT-ERC20 separately from each other with their unique exchange rates and reserves. We would like to remind you about the difference between these tokens: Tether Omni — these are USDT tokens launched on omni layer protocol based on Bitcoin network. Its address is a BTC format address. Tether ERC20 are USDT tokens launched on ERC-20 protocol standard based on Ethereum network. Its address is an ETH format address. The users are recommended to carefully familiarize themselves with the type of tokens before making any exchange operations. If you have any questions about the used standards, please contact the support service of the exchanger before making the exchange. As always, you can find the best exchange rate for the most popular currencies on our site. [url]https://www.bestchange.com/[/url][tag]BestChange.com[/tag], exchangers monitoring is always at your service. [img]https://sun9-28.userapi.com/c857620/v857620266/4fe22/j6EiLfWovAI.jpg[/img]
BestChange  Jul 26 2019 12:12
What are the Advantages of Cryptocurrency? Over the last couple of years, cryptocurrencies gain more and more popularity. Let’s touch upon some of their main advantages in comparison to fiat money. 1. It is decentralized and does not rely on banks or governments. Transactions can take place in different parts of the world and take seconds, without the need to pay hefty charges to banks. 2. Because cryptocurrency is decentralized, it’s immune to deflation or inflation that can happen as a result of the choices of a central government. 3. Anonymity is one of the most important perks of cryptocurreny. You do not need to reveal your identity. 4. Anybody can make money through the process of mining. All what’s needed is access to a computer and the internet. 5. Because the cryptocurrency market is highly volatile it can be a high reward (but at the same time, high risk) investment. 6. Cryptocurrency is not subject to inflation. With coins like bitcoin there is a set amount that will ever be created. 7. And last but not least, since cryptocurrency exists in digital form, millions of trees can be saved by not using paper currencies. It can contribute to our environmental well-being. You can purchase or sell cryptocurrency at BestChange – we guarantee the smoothest exchanging experience, saving your time and money! [img]https://pp.userapi.com/c851036/v851036965/176459/4sJjAoHSAXM.jpg[/img]
BestChange  Jul 03 2019 07:29
Is a quantum computer dangerous for Bitcoin? Many researches say that in less than 10 years ?omputing machines using quantum principles will threaten blockchain technology which is a basis for cryptocurrencies. Bitcoin and similar systems’ defense algorithm is based on a principle of asymmetric encryption with and open and private keys. Transaction is signed by a private key, and its truth is checked with a help of an open key. Despite the fact that Bitcoin blockchain uses asymmetric encryption, the users don’t have to worry for the safety of their coins. The open key is not stored openly. Thus, the addresses for coins transferring are not open keys, but just the results of usage of hash-function SHA-256. The hashing function performs one-sided transformation and that’s why it’s stable against quantum computer attacks. The public key is rendered to the network in the open way just until it receives a confirmation. If an attacker receives an open key during transaction, he will have around 10 minutes to get the private key with the help of a quantum computer and try to make his own transaction from the same address but specifying a larger commission. By the way, bitcoin mining is also relevantly safe, as the equipment for mining cryptocurrencies in the near future will be more powerful that quantum computers. It is worth to note, that quantum calculations threaten absolutely all systems of computer security which care based on cryptography with an open key, and not only blockchain. Internet connections to render your password in Internet banking uses a similar encryption technology, same as communication in chatrooms, social networks and lots of other routine actions. All security systems, including blockchain systems, need to take into account postquantum encryption to ensure data safety. But the most simple and effective way can be changing traditional systems by such blockchain which implements quantum-resistant cryptography. There are several different ways of encryption with open key resistant to quantum calculations: bases on matrix, on code, multidimensional quadratic functions, and hashing function. But let us not digress into detail math stories. The main point is that if there is a serious threat to blockchain posed by quantum computer, developers can improve the protection. Moreover, successful research and developments in this regards are being done not for the first year. What do you think, who will be the first in this race – bitcoin developers or quantum computer developers? [img]https://pp.userapi.com/c849216/v849216314/1cad57/VYzRVcDzhB4.jpg[/img]
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