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currency world in the exchange account. CNNs belongs to air currency. Many people have gone to Beijing to protect their rights
the NHS's computer files were locked, forcing them to cancel outpatient appointments and transfer patients; Other victims include Spain's largest telecom operator, Russia's interior office and FedEx, whose computer files are encrypted and inaccessible
in China, many colleges and universities, including Peking University, have been attacked, and the files on the students' computers connected to the campus network have also been encrypted and required to pay ransom
the so-called "ransomware" has no difference from extortion: after hacking through a computer vulnerability, hackers encrypt some files, then use the secret key to decrypt as a threat to ask the owner to pay "ransom"
this is one of the biggest network attacks at present. Avast, a security software company, said it had confirmed 75000 times, affecting countries such as Britain, the United States and Russia, among which Russia, Ukraine and Taiwan were the hardest hit areas
in this attack, the old windows systems are mainly attacked, including Windows XP, Windows 8 and windows server 2012. Microsoft said windows 10 users have not been attacked yet<
blackmail software attack, blackmail the user by encrypting the files on the computer image from: mspower
the computer interface of zhongzhao will show such a window to inform the user that the files on their computer have been encrypted and they must pay the ransom in the encrypted digital currency bitcoin
bitcoin should be chosen because it is difficult to trace. The attacker asked for $300-600
what happened to this blackmail software
since Friday, this blackmail software has attacked medical, banking, school and other public service institutions in many countries, but no hacker group has claimed responsibility for this attack
this blackmail attack is believed to be related to a previously leaked vulnerability in the windows system. In April, a hacker group named shadow brokers g up a Windows system attack tool, eternalblue, from the US National Security Agency (NSA). On the basis of this attack tool, the blackmail attacker added a self replication mechanism, which can be transferred from one attacked computer to another, but the attacker's information has not been determined yet
in this attack, extortion software disguised as invoice documents and recruitment related documents were spread in the email. But different from the common blackmail software, wanna virus can infect computer files without users opening e-mail or downloading. Because ransom is restricted to be delivered in encrypted digital currency bitcoin, the blackmailer's information is not as easy to be tracked by the police as credit cards and bank transfers
this attack not only attacks indivial computers, but also affects the whole network. British security architects give CNN an example: if an attacked computer is connected to the network of a cafe, the blackmail software will infect all the computers in the cafe
in China, blackmail software can attack the 445 port used for file sharing on campus network to spread. For example, the gas stations of PetroChina may be attacked because the payment system hosts without upgraded system are also affected. At present, these gas stations have been shut down< In an official statement on Friday, Microsoft said that it had released a patch for the vulnerability and that users who have opened windows update have been protected
in addition, for the key targets of this attack, including Windows XP, win8 and windows server 2012, Microsoft has also provided security updates on its official website
further proliferation was blocked by Tony B, a researcher at a security software company. The researcher from kryptos logic security controlled a website domain name and hard coded it into the blackmail software, which prevented wanna from further spreading, but the previously attacked computers were still affected
it's more about luck to find a way to stop. Tony B's job is to find ways to track different kinds of malware. His method is to track the domain names of servers that can control the malware
according to the spread of malware, he will find those unregistered server domain names related to malware, and then back track the malware to verify whether the spread of these malware can be controlled. He has registered hundreds of such domain names to control the malware
in this attack, he found a server domain name related to the blackmail software in the same way and registered it. Unexpectedly, he guessed the domain name of the server controlling the blackmail software
because the computer under attack can't decrypt the encrypted files by the user, the encrypted files can only be decrypted by the attacker. In the blackmail attack similar to this incident, the user can only strengthen protection, but can't solve it.
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Japan
among Asian countries, Japan seems to be the first country to support cryptocurrency. On the contrary, in the past few years, China has been cracking down on ICO and closing down the trading business of digital currency exchanges in China. Compared with China's strict restrictions, Japan is undoubtedly far ahead in the field of cryptocurrency
maybe it's because of the anonymous people (or teams?) who developed bitcoin Japan's pseudonym is Nakamoto, so Japan's friendliness to cryptocurrency ranks at the top
after being attacked by hackers, the Japanese based Mt. GOx exchange finally closed down in February 2014, which is still the biggest scandal in the digital currency world. After that, Japan's licensed cryptocurrency exchanges came together to form a new self regulatory organization, which put forward guidelines to legalize ICO and formulated clear instry standards to protect investors, while allowing the instry to grow and continue to innovate
members of this association, called ICO business research group, include members of Parliament, academics, bankers and the CEO of bitflyer. Bitflyer is the largest cryptocurrency exchange in Japan. According to the government study, the legislature may allow potentially profitable ICO and cryptocurrency exchanges to continue trading, but at the same time, it must provide the government with more insight into these activities and enhance transparency
nevertheless, as of the end of April, it was reported that Venezuela could offer India a 30% discount if India used petro currency to pay for its crude oil. Bitcoin magazine reported that "Venezuela has assured the buyer that petro currency will have all the functions of legal tender, can pay taxes and can be converted into Venezuelan hard currency, namely Bolivar
while many people are skeptical of petro itself and the Venezuelan government's move to integrate cryptocurrency into its declining economy, others believe that any effort to win the credibility of cryptocurrency is worthwhile. David Garcia, senior vice president and partner of ripio credit network, pointed out that Latin America is going through a transitional period
Latin America is in a difficult situation e to political corruption and economic crisis, and is troubled by high inflation and rapid devaluation of local currency, especially in Venezuela. Garcia believes that innovative ideas and solutions such as blockchain and cryptocurrency are necessary for these countries to develop in a positive direction3. Sweden
in 2015, Sweden became the first country in Europe to approve the trading of two kinds of bitcoin exchange traded notes (ETN), which are managed by XBT providers. The Swedish Krona denominated bitcoin tracker one XBT (ST: se0007126024) fund and bitcoin tracker EUR XBT provider (ST: se0007525332) can be traded on Nordic Nasdaq, the main Swedish exchange
since its launch, XBT has been launched in Denmark, Finland, Estonia and Latvia. As of early December 2017, cointegraph announced that Sweden's ETN "is more than 80% of the US ETF". In mid January, CNBC said that Sweden's bitcoin investment project attracted $1.3 billion
in addition, the Swedish central bank has been considering the development of an electronic currency called e-krona to cope with the situation that Sweden is rapidly becoming the first cashless society in the world. However, Sweden's banking sector has hit back. Hans Lindberg, chief executive of the Swedish Bankers Association, said in an interview on April 17: "in terms of e-money, there is already a lot. There are bank cards, credit cards... And other electronic solutions. The most likely scenario in the future is that the Swedish central bank will stick to wholesale business. "< However, James Pomeroy, a global economist at HSBC, believes that Sweden is still likely to become the first country in the world to issue digital currency, which may be launched in the next few years. Venezuela may be ahead in government supported cryptocurrency issuance, but Sweden, a Scandinavian country with stronger economy and more trusted regulators, may still disrupt the existing order of cryptocurrency and even lead the European cryptocurrency instry< Switzerland
4. The Swiss financial market supervision authority is at the forefront in clarifying the regulation of cryptocurrency and supporting ICO. Marc bernegger, a Swiss financial technologist, cryptocurrency entrepreneur and consultant to Swiss real coin, said Switzerland has traditionally been a haven of wealth. To some extent, this benefits from Switzerland's more open financial regulation and a long culture of protecting the privacy of Swiss banking institutions' customers. Bernegger pointed out that Switzerland has been "looking forward" to cryptocurrency assets as part of overall wealth management and is "preparing for changing economic forms."
the surrounding area of Zug in North Central Switzerland is called crypto Valley, which has been called crypto valley since Ethereum ICO was launched in 2014. For cryptocurrency entrepreneurs, developers and investors, cryptovalley is one of the most active ecosystems,5. Israel
in Israel, discussions on the regulation of cryptocurrency continue, and legislators are looking for ways to protect investors. Although Israel's banking system has failed to help promote bitcoin related business, Union Bank of Israel, the sixth largest bank in Israel, is being sued by a local cryptocurrency miner for stopping transferring funds from bitcoin exchange to the miner; In addition, Israel's second-largest bank, bank Leumi, was intervened by the district court and the country's Supreme Court when it tried to block the account activity of a local cryptocurrency exchange. This is undoubtedly a major victory for the local cryptocurrency instry
in addition, it has recently been reported that the Central Bank of Israel has been considering the possibility of issuing state supported cryptocurrency for several months. According to the Jerusalem Post, an anonymous source said, "digital shekel can record every transaction through mobile phones, making tax evasion more difficult." If a digital Shekel is introced, its value will be equal to that of an entity
in terms of technological innovation, Israel's start-up corporate culture is at the forefront. Roy meirom, co-founder and vice president of business development of wemark, pointed out that many of the 300 multinational R & D centers operating in Israel are committed to the application of blockchain<
Roy meirom also said that this small middle east country, commonly known as the "start-up country", is rapidly becoming the development center of blockchain< Bermuda
Bermuda, a member of the Commonwealth in the North Atlantic and Caribbean, has been actively seeking the adoption of cryptocurrency related regulations to begin to establish an appropriate framework to promote cryptocurrency business activities, including cryptocurrency exchanges, wallet services and payment providers. Recently, the Bermuda Monetary Authority's virtual currency business act was passed in the house of Commons
Bermuda has carried out relevant legislative activities on ICO in the form of amending the Companies Act 1981 and the limited liability companies act 2016. At the end of last year, Bermuda's prime minister and Finance Minister David Burt set up a blockchain working group, which is divided into two groups: the legal and regulatory Working Group on blockchain and the commercial working group on blockchain
7. Berlin, the capital of Germany, is perhaps one of the EU's most cryptocurrency friendly cities. In 2013, Berlin was called the "bitcoin capital of Europe" by the guardian, and it has always maintained this status. At present, people can use bitcoin to buy apartments in Berlin, make holiday reservations, and pay for meals in various fashionable local restaurants
Thomas Schouten, marketing director of lisk, a Swiss based blockchain application platform, said the application chain has a major contractor office in Berlin. Schouten said Berlin provides a vibrant start-up and technology space with a huge talent pool and vibrant culture, making it easy for companies to attract employees. In addition, he said that Germany and the German government are open to blockchain technology
in 2014, Germany became the first country to accept bitcoin as a currency, highlighting its open attitude. Similarly, board members of the Bundesbank have called for effective and appropriate regulation of cryptocurrencies and tokens. In fact, Joachim wuermeling, director of the Bundesbank, has pointed out the need for international cooperation on this issue:
to this end, a number of decision makers of the Bundesbank have participated in discussions involving the whole EU region, including stimulating the cryptocurrency instry in the whole EU region through the European block chain partnership "Scientists and engineers in the instry, many of them retired members of Israel's elite military intelligence forces, have transferred to fill the huge talent demand of the instry, and are supported by more and more blockchain start-ups and supporting ecosystems." -
"because the regulatory capacity of a single country is obviously limited, only by maximizing the potential of international cooperation can virtual currency be effectively regulated."
first, leycoin is an absolute real coin. It is decentralized, encrypted, P2P peer-to-peer, blockchain technology has been proced, and open source code has been made public. It has issued 150 million pieces in total, and has obtained digital currency license in Luxembourg. Only bitcoin, Leyte and leycoin have this license
Second, the coin can be transferred from the wallet to the card. If the card and MasterCard are interconnected, the money can be withdrawn from the ATM with the Mster logo. Bailuo coin can also be exchanged with bitcoin and Laite coin
thirdly, at the 2016 international summit of blockchain held in Beijing on June 22, luoyuan is the largest sponsor and participant. Bailuoyuan will be introced and there will be many billboards at the venue. The founders will also be interviewed by the global media<
Fourth, the fourth mining machinery center of the company will be established in Guangzhou next month. The first three are all in the United States, and leaders can visit them in person
fifth, 100 Luo Fu is similar to Alipay's payment system, and not only in China, but also for global use.
in the sixth and the 15th of June, there will also be the international MT4 trading market. Only the famous digital currencies like bitcoin, Leyte and luo can be traded on the market, and the global foreign exchange can be traded on the market
seventh, barrow technologies was founded in Nevada in 2007. Its CEO, Dr. Brett Sperry, was rated as one of the 50 most outstanding entrepreneurs in the United States by the world-famous Time magazine. His book crypto digital technology is one of the top 100 best-selling books in the United States. Bailuo coin has been widely publicized by CNN, Newsweek, Time magazine, New York Times and other media channels
eighth, the original mobile phone software operating system makes the operation more convenient
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bitcoin is proced by mining. Bitcoin mining has experienced three development stages: CPU, GPU and ASIC. At present, bitcoin mining has entered a professional ASIC mining era. The mainstream mining machines in the market are Avalon and bitmainland. Avalon is the largest bitcoin hardware solution service provider in the world< The use of BR />
bitcoin is actually very simple, just like your Alipay. The public key of bitcoin is equivalent to your Alipay account, and the private key is equivalent to your login password. You can use bitcoin to buy goods and services from businesses that accept bitcoin. It can also be converted into RMB on the trading platform.