How many machines are big in hash mine
at present, the computing power of bitcoin in the whole network has reached 2.36 billion hash collisions per second, which is equivalent to the number of water droplets in more than 200000 50 meter long standard swimming pools. But even with such a large amount of computing power, it will take about 10 minutes to hit a hash value that meets the requirements
in 2012, bitcoin's output was halved for the first time, and in July 2016, bitcoin's output was halved for the second time. At present, 12.5 bitcoins are awarded for recording one page of account book. The next halving will take place around 2020, and the total number of bitcoins will not increase by 2040, with a total of 21 million. In other words, the difficulty of digging bitcoin is increasing, while the time required is increasing
The miner is better
-
the electricity charge for mining with graphics card is very high, and the performance is not high, so it can't even earn the electricity charge
-
mining is an investment more than time and speed. We should try to dig more money in the shortest time. Therefore, the professional mining machines of BTC now stress the characteristics of simple operation, small footprint and low power consumption. For example, Yingtai has developed a professional mining motherboard with a computing power of 23.488g/hash, and the proct model is btc-24gh< br />
Bitcoin mining machine is a kind of computer used to earn bitcoin. This kind of computer generally has professional mining chips and works in the way of burning graphics card, which consumes a lot of power. It is one of the ways to get bitcoin that users download software from personal computer and then run specific algorithm to get corresponding bitcoin after communicating with remote server
mining is actually a competition of performance and equipment, and a competition of computing power among miners. Miners with more computing power are more likely to dig bitcoin. With the increase of computing power in the whole network, it is more and more difficult to dig bits with traditional devices (CPU, GPU). People have developed chips specially used for mining. Chip is the core part of mining machine. The process of chip operation will proce a lot of heat, in order to cool down, bitcoin miner is generally equipped with heat sink and fan
bitcoin is a kind of virtual currency. Bitcoin mining system is the process of carrying out mathematical operation for bitcoin network through computer hardware. Miners who provide services can get a reward, because the network reward is calculated according to the tasks completed by miners, so the competition for mining is very fierce
bitcoin mining started with low-cost hardware such as CPU or GPU, but with the popularity of bitcoin, the mining process has changed greatly. Nowadays, the mining activities are transferred to the field programmable gate array, and the hash speed can be achieved through optimization. The mining efficiency of this mode is very high
1. First of all, connect the network cable, plug the network cable into the network cable interface of the mining machine, and remember to plug it tightly. Only when the miner is connected to the Internet, there is no limit to the broadband
extended data:
shortcomings
first, the vulnerability of trading platform. The bitcoin network is robust, but the bitcoin trading platform is fragile. Trading platform is usually a website, which will be attacked by hackers or shut down by competent authorities
Second, the transaction confirmation time is long. When bitcoin wallet is first installed, it will consume a lot of time to download historical transaction data blocks. While bitcoin transaction, in order to confirm the accuracy of data, it will take some time to interact with P2P network, and the transaction will be completed only after the whole network is confirmed Thirdly, the price fluctuates greatly. Due to the intervention of a large number of speculators, the price of bitcoin for cash fluctuates like a roller coaster. Making bitcoin more suitable for speculation rather than anonymous trading Fourthly, the public did not understand the principle, and the traditional financial practitioners resisted. Active netizens understand the principle of P2P network and know that bitcoin has no legal person to manipulate and control. But the public doesn't understand, and many people can't even tell the difference between bitcoin and q-coin“ "No issuer" is the advantage of bitcoin, but in the view of traditional financial practitioners, "no issuer" currency is worthless25000 mining troops in Sichuan: a flood cost hundreds of millions, most afraid of power failure and loneliness
these computing power are scattered along the Da River, a tributary of the Minjiang River. They inlge in the night of Dalate Banner in Ordos, and sleep soundly in a small city in Yili Kazakh Autonomous Prefecture of Xinjiang
today, bitcoin's total network computing power has reached about 30 billion hash collisions per second, equivalent to about 600 tianhe-2 supercomputers, and it is still growing at a high speed. " Wu Jihan, the founder of bitcontinent, wrote in the beauty of computing power
he preached a set of infinitely beautiful "computational aesthetics", but behind the aesthetics is the cruel computational world and interests. Mining is moving towards instrialization step by step and becoming a game of capital
at this time, decentralized mining machines and pools began to appear. They called themselves revolutionaries and wanted to change the extremely monopolized bitcoin world
"cloud computing power mining" is one of them
their way of playing is to establish a number of distributed mines and provide computing power leasing services with tens of thousands of real mining machines
"the current computing power is too concentrated, and some decentralized play methods are difficult to change the current pattern and ecology." Li Ke said
but the essence of blockchain is decentralization. The miners still have the belief that eventually the mining instry will be broken by the decentralized mining pool
this may be the only belief that keeps them going
how long will it take
"5-10 years, slowly nibbling at the giant's territory." Li Ke said
but will giants wait for the revolution? Will they fight back
the battle of computing power and the spark of revolution have just been ignited
source; Sina Technology
Since July 1947, the war of liberation has turned into a stage of strategic attack, and the trade and material exchanges between the liberated areas have become increasingly frequent. Because the currencies issued by the banks in the liberated areas are not unified, resulting in the situation of mixed circulation of various currencies, the transaction should be converted according to the price ratio, which affects the smooth progress of proction circulation and economic exchanges. It is imperative to unify the currencies in the liberated areas
On October 8, 1947, the central government made a clear instruction on this proposal: "it is too early to establish a unified bank at present, and it is necessary to make preparations. As for the name of the bank, it can be used & # 39; The people's Bank of China. " In this way, the name of "people's Bank of China" was defined by the central government. On December 1, 1948, the people's Bank of China was formally established and issued the new China's unified currency in Shijiazhuang, where the head office of the people's Bank of China is located. Because the currency is issued by the people's Bank of China and is the currency of the people's Republic of China, it is named "RMB". At present, the currency unit in use in China is Renminbi yuan, or RMB yuan
extended information:
the first set of RMB was issued under the special background of wartime. There were a total of 12 denominations and 62 editions, which were quite different from each other. The number of issuance and circulation of some editions was very small. In addition, the raw materials for coining came from local sources, resulting in the uneven quality of banknotes. With the issuance and circulation of the second set of RMB, on May 10, 1955, the first set of RMB in China had been in circulation for nearly eight years and then stopped using in the whole country. It has been 50 years since then
after years of changes, the first set of RMB is very rare in the world, and its value of appreciation, commemoration, collection and investment is increasing day by day, which is particularly favored by well-known auction houses and cultural relics collectors. According to the data of the 2005 "red sun Spring Festival auction - special spot of postal currency card", two consecutive 5000 yuan "shepherd's pictures" started at 5000 yuan. After several times of bidding, they finally won at 120000 yuan
five thousand yuan "Weihe bridge", also from 10000 yuan to 85000 yuan; The final transaction price of Wu Wanyuan's "new Huamen" was 260000 yuan. According to this ratio, if the "top four treasures" can show up at the auction, it will be a sky high price of more than one million
I've bought five machines on this platform, so I can type money in time, and there are almost no emergencies; There are also some other platform machines purchased, and the power failure probability is quite high...
for reference only, you can learn more about them according to your personal needs