Has bitcoin halved its computing power
bitcoin is a kind of network virtual currency. 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. Assuming that the mining computing power is 100 mhash / s and the total computing power is 4000 ghash / s per day, 3600 bitcoins can be g out every 24 hours
China's computing power has accounted for more than 75% of the world, that is to say, 75% of bitcoin in the world is made in China. How long does it take to dig a bitcoin
bitcoin used to be very good at "digging", which can be done by ordinary computer CPU, and it can automatically "solve problems" by downloading software. But with the rise of currency price, more and more people want to "solve the problem", and the difficulty of mining is also increasing. Now, the amount of computation needed to dig a bitcoin is beyond the reach of ordinary people. Ordinary computers can't afford it
instry insiders said that in 2014, 100 bitcoins were generated from 500000 yuan of electricity charge per day, and the cost of electricity charge alone was 5000 yuan per coin. But now, the same cost has more than doubled, and the electricity cost of each bitcoin is as high as 10000 yuan
in the generation mechanism of bitcoin, mining reward is decreasing. At the beginning of the birth of bitcoin, the miners could get 50 bitcoins for each page of the ledger, and then 25 bitcoins for each page of the ledger, decreasing in turn. It's like digging gold. At first, it's more and less. The time point at which each new reward is reced by half is called half bitcoin proction
assuming that the mining computing power is 100 mhash / s, the total computing power is 4000 ghash / s per day in 2014, and 3600 bitcoins are g out every 24 hours
now, we can understand the difficulty of bitcoin digging in this way, which is equivalent to 100 million dice throwing numbers less than 100 million and 50 million. Whoever throws them first will get the bookkeeping right. At this point, 1050 million is a hash value. The process of throwing dice is called hash collision. The unit of mining power is the number of hash collisions per second
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
Related videos: how long does it take to dig a bitcoin
2020 is the first year of digital currency proction rection. Most currencies will achieve the first proction rection this year, while bitcoin will usher in the third proction rection cycle. And the market is generally high on the halving market, it is expected that this year will usher in a wave of bull market, and the logic behind it is very clear. From the perspective of historical experience, this has already formed a more extensive "consensus" in the circle of cryptocurrency
secondly, bitcoin, known as "digital gold", is recognized by more and more funds for its risk aversion, which indirectly pushes up its price. At present, in addition to bitcoin, which has the most influence, BCH, BSV, etc, dash and other currencies are the most concerned. Dozens of counterfeit currencies have chosen to be halved in 2020. Therefore, 2020 is also known as the first year of halving
what is half bitcoin
bitcoin halving means that the reward for procing new blocks is halved about every four years. This means that after halving, the corresponding bitcoin reward for each block proced is only half of the reward before halving. At present, bitcoin has been halved twice, respectively in November 2012 and July 2016. The third half of bitcoin is expected to take place on May 13, 2020. By that time, bitcoin will be halved from 12.5 blocks to 6.25 blocks
half block reward means that it will take longer for all bitcoins to enter circulation, but it also means that mining will proce fewer and fewer new bitcoins. Moreover, e to its limited supply and increased mining difficulty, its scarcity attribute becomes more and more obvious, and scarcity will directly enhance the value. As the saying goes, scarcity is more expensive! For bitcoin, there is no doubt that this is a very big advantage
buying bitcoin in 2020 is better than buying bitcoin ETF fund
3, bitcoin current price 10000x4 = US $40000 (expected price after this year's proction rection)
in this period, the return comparison between holding spot and ETF fund is as follows:
1, buying spot holding, earning three times
2, buying ETF fund, Up to 15 times (intelligent position adjustment + fund compound interest calculation)
there is no doubt that bitcoin ETF launched by bitoffer is the best investment choice
1. With the increase of computing power in the whole network, the proportion of computing power owned by miners in the whole network decreases
2. The generation of bitcoin is slowing down. When bitcoin was born in 2009, each reward was 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 bounty will be halved to 25. When the total amount reached 15.75 million (5.25 million new output, or 50% of 1050), the bounty was further halved to 12.5. In theory, bitcoin's mining speed has halved in four years.
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it is estimated that 21 million pieces will be excavated in 2140
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according to the relevant literature of bitcoin, in 2140, 2100 bitcoins will be proced and will not grow any more. According to the principle of bitcoin, after 33 halving periods, the mining output of each block will reach 0.58 Cong, less than the minimum unit of one Cong. The interval of each half rection is 210000 blocks, and the total proction time (2140 years) given in the above literature is calculated from the proction time of each block of 10 minutes 210000 * 10 / 60 / 24 / 365 = 3.9954 * 33 = 132 years. Since 2008, 132 years later, it is 2140 years)
however, the "proction time of each block is 10 minutes" used in the above calculation method is an ideal state, which is only true when the computing power and difficulty of the whole network do not change. Looking at the bitcoin blockchain, it is not difficult to find that bitcoin's whole network computing power has been growing for a long time, and the difficulty of mining has also increased. Therefore, it is not difficult to find out that the above calculation is not tenable and there is a huge error
the shortcomings of the above methods are that they can not accurately predict the change of bitcoin network computing power and the mining speed of bitcoin. The 11.3-day data used in the above calculation method is only the average value from May 2013 to April 5, 2014, and the representativeness is questionable. We can integrate the results of big data analysis and mining machine proction to establish a more accurate mathematical model
for ordinary investors, the most important thing is the price of bitcoin. Does the rection of bitcoin proction next year mean that the price of bitcoin will rise significantly? In fact, from the trend of bitcoin after the first two proction cuts, we find that bitcoin will usher in a super market soon after each half cut. Proction rection can indeed stimulate the price of bitcoin to rise substantially. It is no exaggeration to say that bitcoin halving is an important catalyst to push bitcoin into a super bull market
in addition to ordinary investors, there is a group of people who are quietly paying attention to the price of bitcoin, that is miners! Nowadays, mining costs are rising, coupled with the competition for computing power, currency price fluctuations and other reasons, resulting in the extremely unstable income of miners. In addition, it should be noted that in 2020, with the rection of bitcoin proction and the new upgrading of mining machinery, the cost of mining will be even higher. If the price of bitcoin falls below the cost of mining, the high cost will make the miners have to shut down, resulting in the loss of investment in mining machinery, and finally lead to mine disaster
How do put options hedge the risk of bitcoin falling
recently, bitoffer is the world's first BTC option, which has no margin, no handling charge and no exercise, so it is the most suitable tool for hedging bitcoin spot risk
for example, the current price of bitcoin is $7000. If it goes up to $8000, you can make a profit of $1000 from the spot
What if it falls to $6000? You did not do any hedging, spot direct loss of $1000
if you hedge accordingly and open a put option in bitoffer, the cost will be about US $20-50. If bitcoin falls from US $7000 to US $6000, the put option will earn US $1000. In this way, the US $1000 of spot loss will be offset, and there will be no loss in the account. This is the charm of hedging.
The first half: on November 28, 2012, the 210000 block was excavated, and the block reward was halved for the first time, and the block reward was 25btc
the second half: on July 10, 2016, starting from the 420.000 block, the bitcoin reward of each block was halved to 12.5btc
the third half: on May 12, 2020, bitcoin reward will be halved to 6.25btc
the next half: on May 9, 2024, bitcoin reward will be halved to 3.125btc
on November 28, 2012, BTC was halved for the first time, from $2.01 to $1178, an increase of nearly 600 times
on July 10, 2016, BTC halved for the second time, from $163.65 to $19800, an increase of more than 120 times
BTC is expected to halve for the third time in May 2020.
but bitcoin mining as an infrastructure, if bitcoin can continue to exist, although the income of mining is reced, for the security of the whole bitcoin network system, some big bitcoin companies may invest in mining to maintain the security of bitcoin network system. In addition, the future of bitcoin will become more clear and bright. Bitcoin's computing power will not decrease, but will increase.