AAC can only withdraw cash one by one
You can't dig in a day. It takes 2000 years
the global unified computing difficulty of bitcoin is 2621404453 (expected to change in two days). It takes more than 2000 years for a 2.5GHz CPU to work out a bitcoin
in order to make the graphics card fully loaded for a long time, the power consumption will be quite high, and the electricity bill will be higher and higher. Many professional mines at home and abroad are operated in areas with extremely low electricity charges, such as hydropower stations, while more users can only mine at home or in ordinary mines, so the electricity charges are not cheap. Even in a certain residential area in Yunnan, there was a case of crazy mining, which led to a large area trip of the residential area, and the transformer was burned
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bitcoin network generates new bitcoin through "mining". In essence, the so-called "mining" is to use computers to solve a complex mathematical problem to ensure the consistency of bitcoin network distributed accounting system
bitcoin network will automatically adjust the difficulty of mathematical problems, so that the whole network can get a qualified answer about every 10 minutes. Then bitcoin network will generate a certain amount of bitcoin as block reward to reward the person who gets the answer
when bitcoin was born in 2009, block rewards were 50 bitcoins. Ten minutes after its birth, the first 50 bitcoins were generated, and the total amount of money at this time is 50. Then bitcoin grew at a rate of about 50 every 10 minutes. When the total amount reaches 10.5 million (50% of 21 million), the block reward will be halved to 25
when the total amount reaches 15.75 million (5.25 million new output, i.e. 50% of 1050), the block reward will be further halved to 12.5. The monetary system used to have no more than 10.5 million in four years, after which the total number will be permanently limited to about 21 million
let's see what others say.
AAC has three meanings, specifically as follows:
1, AAC: Advanced Audio Coding
AAC, full name advanced audio coding, is a file compression format specially designed for sound data. Different from MP3, it uses a new algorithm for encoding, which is more efficient. Using AAC format can make people feel that the sound quality does not significantly rece the premise, more compact. Apple iPod and Nokia mobile phones support AAC format audio files
AAC: extended and alternative communication system, abbreviated as ACC, can help people with speech or language barriers to communicate AAC: average annual cost, or ACC for short, expresses the average cost of using equipment every year. The calculation formula is as follows:AAC = (P-R) (A / P, I, n) + R * I + k
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the advantages and disadvantages of advanced audio coding (AAC)
1, advantages
compared with MP3, AAC has better sound quality, The files are smaller
AAC is a lossy compression format. Compared with the popular ape, FLAC and other lossless formats, there is a "essential" gap in sound quality. In addition, the faster transmission speed of USB3.0 and large capacity MP3 above 16g are accelerating the popularization, which also makes the "small" aura on AAC head no longer exista computer can import multiple Alipay certificates without affecting each other.
it's better for the owner to use IE browser, and upgrade after importing the certificate (that is, input the mobile phone verification code), then fill in the place of use, and the installation is not completed until the prompt of "import successful" appears.
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