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dia de los muertos jewelry wholesale Entering China in April last year! It's almost half a year! Extended information: Unlike most currencies, Bitcoin does not rely on specific currency institutions. According to specific algorithms, it uses a large number of calculations to use a distributed database composed of many nodes in the entire P2P network to confirm and record all the records Trading behavior and use the design of cryptography to ensure the security of all aspects of currency circulation.
P2P's decentralization characteristics and algorithm itself can ensure that it is impossible to manipulate the currency value by making a large number of Bitcoin.
The reference materials: Sogou Encyclopedia? Bitcoin China
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Starting from May 12, Bitcoin extortion computer virus erupted worldwide.
At present, 16 hospitals in the United Kingdom have been attacked by a large scale, and many Chinese universities have also been recruited.
The hacker to extort users with the computer file to pay the ransom, and only pays Bitcoin.
In the global computer virus incident that broke out this time, mobile phone China also received a ransom mail. Fortunately, the machine that received the email was a test machine, which did not have any impact on us. Essence
, the college students in the graduation season are not the same. The paper is locked, but it is related to graduation.
So facing the eruption virus in this outbreak, how should you deal with, and what protection measures do you take? First of all, let's take a look at the computer virus initiated by the virus characteristics of this virus characteristics. This computer virus will encrypt a large number of files on the system into a file with a .Onion as the suffix. After poisoning, it is required to pay Bitcoin ransom to decrypt and recover the document. And anti -virus software cannot decrypt these encrypted files.
but everyone must not listen to the saying of hackers' so -called "decrypting money", because hackers may not be strictly observed, and Bitcoin is expensive. Not small.
It, we need to pay attention to the background of the virus explosion. Domestic professionals said that according to cyber security institutions, this is a virus attack event initiated by the "Eternal Blue" leaked by criminals using the NSA hacker weapon library.
"Eternal Blue" will scan the Windows machine that opens the 445 file sharing port. It does not require any operations of the user. , Malicious procedures such as virtual currency mining machines.
It due to the insects that were transmitted by port 445 multiple times in China, operators have sealed port 445 on individual users, but the Education Network does not have this limit, and there are still a large number of machines exposed to port 445.
In relevant institutions, at present, more than 5,000 machines in China are currently attacked by the NSA "Eternal Blue" hacker weapon. The education network is the hardest hit area for attack.
What are the method of response? 1. Close port 445, you can search for inquiry for the specific operation method.
2. At present, Microsoft has released the system vulnerabilities of the "Eternal Blue" attack, which can install this patch for the computer as soon as possible.
. As for XP and 2003, Microsoft no longer provides safe updated machines. Practitioners on Weibo recommend the use of the "NSA Weapon Immune Tools" detection system. It can avoid
of the best answer to the extortion software such as the extortion software
The virtual currency refers to non -real currency.
The famous virtual currency, such as Baidu's Baidu, Q coins from Tencent, Q points, Shanda's dot coupons, micro -coins launched by Sina (for micro -game, Sina reading, etc.), Chivalry ingot (for the game of chivalry), pattern silver (for Bi Xue Qingtian Games). The digital currency popular in 2013 is: Bitcoin, Litecoin, Unlimited Coins, Quick Coins, Zeza Coins, Barbecue Coins, Popularity Coins, Petonal Coins (Outer network), invisible gold bars, coins, quality coins.
The hundred digital currencies are currently issued in the world.
The legend of "Bitkin, Litt Bank, Infinite Copper, Pentels" popular in the circle.
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Hello, Bitcoin is a digital currency, in the digital currency market, the transaction time is 7 x 24 hours without interruption, that is, 24 hours a day a day Uninterrupted transaction time
wholesale silver jewelry from india It was officially born on January 3, 2009.
has become more and more confusing since 2015. On the one hand, Bitcoin fell against RMB 55.55%last year; in 2015, in mid -to -early January, Bitcoin fell against RMB more than 30%.
The value of Bitcoin coin "falls endlessly", which reflects the "self -repair" of its "fanatic" value to a certain extent. According to statistics, Bitcoin rose from 1:13.59 to 1: 731 in 2013, an increase of 5300%throughout the year. The surge driven by speculation has affected Bitcoin's virtual currency attributes that Bitcoin depends on "settlement".
On the one hand, no country clearly clarifies it as a legal currency. On the other hand, the US dollar rose significantly in 2014, and the price of oil and commodities entered a period of decline. Become part of the asset allocation of some speculators, which highlights its characteristics of its asset attributes far greater than the monetary attributes.
The expansion information
A security, credit risk, etc. have also become the reason for the decline in investor confidence. For the world's largest Bitcoin Exchange, Mt.Gox (MT.GOX) last March claimed to have lost all assets due to hacking attacks. The recently exposed Bitcoin was likely to originate from internal system manipulation.
The regulatory environment of Bitcoin is not optimistic. Russia, Thailand and other countries began to strictly control. In addition, the global stock market performed well last year. The ore "activity also rapidly increased the supply of Bitcoin, making it a trend of greater supply in the short term, resulting in a violent decline in the price of Bitcoin
wholesale jewelry and accessory The global financial crisis broke out in 2008. On November 1, the same year, a person who claimed to be Satoshi Nakamoto published a Bitcoin white paper "Bitcoin: A point -to -point electronic cash system" on the P2P website. The new idea of electronic currency -Bitcoin is here. On January 3, 2009, Bitcoin Creation Block was born.
Compared with the legal currency, Bitcoin does not have a concentrated distribution party, but is generated by the calculation of the network node. No one can participate in the manufacture of Bitcoin, and it can be circulated around the world. A computer that connects to the Internet, no matter where they are, anyone can dig, purchase, sell or collect Bitcoin, and foreigners cannot identify user identity information during the transaction.
On January 5, 2009, Bitcoin was not controlled by the central bank and any financial institution. Bitcoin is a digital currency, which is composed of a string of complicated code generated by a computer. The new Bitcoin is manufactured through the preset program.
Whenever Bitcoin enters the vision of the mainstream media, the mainstream media will always ask some mainstream economists to analyze Bitcoin. Earlier, these analysis is always concentrated on whether Bitcoin is a scam. And today's analysis is always concentrated on whether Bitcoin can become the mainstream currency in the future. The focus of the controversy is often concentrated on the contraction characteristics of Bitcoin.
The bitcoin players are attracted by Bitcoin that cannot be issued at will. Contrary to the attitude of Bitcoin players, the attitude of economists to a total of 21 million fixed amounts of Bitcoin is polarized.
The economists in the Kanes School believe that the government should actively regulate the total amount of currency and use the relaxation of monetary policy to refuel or brake the economy in a timely manner. Therefore, they believe that the total currency of Bitcoin has sacrificed regulatability, and what is worse is that it will inevitably lead to deflation and harm the overall economy.
The views of the Austrian school economists are completely the opposite. They believe that the less the government's intervention in currency, the better, and the deflation caused by the total currency fixation is not a big deal, even social progress. Sign.
The Bitcoin network generates new Bitcoin through "mining". The so -called "mining" is essentially using a computer to solve a complex mathematical problem to ensure the consistency of the Bitcoin network distributed bookkeeping system. The Bitcoin network will automatically adjust the difficulty of mathematics, so that the entire network will get a qualified answer every 10 minutes.