Current bitcoin production in one day
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 total number of bitcoins is 21 million
in 2009, when bitcoin was born, block 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 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
extended data
monetary characteristics
1. Decentralization: bitcoin is the first distributed virtual currency, and the whole network is composed of users without a central bank. Decentralization is the guarantee of bitcoin's security and freedom
2. Global circulation: bitcoin can be managed on any computer connected to the Internet. No matter where you are, anyone can dig, buy, sell or collect bitcoin
3. Exclusive ownership: private key is needed to control bitcoin, which can be stored in any storage medium in isolation. No one can get it except the user himself
4. Low transaction cost: bitcoin can be remitted free of charge, but a transaction fee of about 1 bitfen will be charged for each transaction to ensure faster transaction execution
5, no hidden cost: as a means of payment from a to B, bitcoin has no cumbersome limit of quota and proceres. If you know the other party's bitcoin address, you can pay
6. Cross platform mining: users can explore the computing power of different hardware on many platforms
1. Machine cost: the cost of purchasing mining machine
2. Power cost: the power cost consumed by machine mining
3. Auxiliary costs: personnel maintenance, network, cable consumables, heat dissipation, etc.
for a simple example, take the mining machine of ant S9, which consumes less power on the market, for example, the calculation power is 13.5T, and the power consumption is 1400W
when the mining machine runs for 24 hours: 1.4kw * 24 = 33.6 degrees
Shenma m3, which consumes more power on the market, has a calculation power of 11.5t, The power consumption is 2150w
under 24-hour operation, the power consumption of a single machine is 2.15kw * 24 = 51.6oc
which is roughly equivalent to the power consumption of energy-saving air conditioning, but the bitcoin miner needs 24-hour uninterrupted operation, the power consumption of a single machine is very large after a year's calculation, and the step price cost of household electricity is too high, When the market is not good, the income may not be enough for the electricity expenditure, so at present, mining will choose to be hosted in the mine, which can get cheap electricity and rece the cost price of mining. The price below 30% is the ideal price, which can keep the price of bitcoin falling to a low level, and there is still some income< According to the current mining difficulty of bitcoin:
BTC revenue per ton: 1th / s * 24h = 0.00007087btc
calculated by the comprehensive 12t machine computing power, the daily output is:
0.00007087t * 12t = 0.00085044btc
then the time required for a single machine to dig a BTC:
1 / 0.00085044 = 1175 days
the time required for ten mining machines to dig a BTC:
1 / 0.0085044 = 117 days
100 days In other words, according to the current difficulty, it takes about three years for a single miner to proce a bitcoin, 3.9 months for ten miners to dig a bitcoin, and 11.7 days for a hundred miners to dig a bitcoin. The cost of a single miner is about 8500, Ten are around 85000, one hundred is 850000, less than one million, and one month's income is more than two bitcoins. According to the current price of bitcoin, the price is about 120000. So, although the income of bitcoin mining is not as good as before, it is still considerable compared with other investment projects
however, these benefits do not include decting the cost of electricity charges and later maintenance of machines, so the premise of mining is to find a mine with low electricity charges. If the quantity is large, we need to find a safe, reliable and stable mine. What's more, we need cheap electricity to lower the cost price.
bitcoin network generates one block every 10 minutes on average, and the reward for each block is currently 12.5. At the earliest time, 50 BTCs were awarded to each block, which was halved after 210000 blocks were excavated, about once every four years. It is expected that the next halving will be in May 2020, when the reward for each block will become 6.25
I'm a small mine of mining treasure book, popularizing mining knowledge and providing mining services. If you think it's useful for you, please remember to adopt it!
bitcoin is also proced by mining. Mining is the process of consuming computing resources to process transactions, ensuring network security and keeping everyone's information synchronized in the network. It can be understood as the data center of bitcoin. The difference lies in its completely decentralized design. Miners operate all over the world, and no one can control the network. This process is called "mining" because it is similar to gold panning, because it is also a temporary mechanism for issuing new bitcoin. However, unlike gold panning, bitcoin mining provides rewards for services that ensure the safe operation of payment networks. After the last bitcoin, mining is still necessary
however, at present, the profit margin of mining is very small, and the mining cost has approached or even exceeded the currency price. Now mining is mainly about electricity price and energy consumption. Of course, it also needs the support of faith. Go to bitcoin home to learn some basic bitcoin knowledge, so as not to be cheated.
whole network computing power (estimation)
199947 gigahashes / s
this is the current computing power of 3600 coins proced per day divided by computing power 0. It's just 8000g last month. The price is rising too fast. The mining machine has been in mass proction
different games require different abilities of manifesting
generally, 3D games have different requirements. Basically, it can be divided into two categories: some are accelerated by DirectX 3D, and some are accelerated by OpenGL
of course, accordingly, graphics cards should test this acceleration. The software used is also different
to test Directx3d, the most commonly used benchmark software is 3dmark series. There are 2000, 01, 03, 05, 06 and other versions of 3dmark, and each version corresponds to different versions of D3D (in fact, it is also the game requirements of different times)
the most popular games are dx8 and DX9, followed by DX10
testing also starts in 2001. 2001 corresponds to dx8, 03-05 corresponds to DX9. The next version of DX10 will come out soon
therefore, someone upstairs said that using the latest version of 3dmark to test is only knowing one thing but not the other. It's totally wrong to simply use the latest version
the full set of 3dmark is available for download at drive home
opengl, usually tested with quake. Drive home has it, too
in addition to benchmark software such as 3dmark, more tests should be carried out in specific games. The actual performance in the game is often different from that measured by 3dmark. The following is a good evaluation. You can see which software and games are used in the evaluation< br /> http://www.pcinlife.com/article/graphics/2007-07-14/1184413739d388.html
in addition, graphics cards are not only used for playing games
next, the hardware decoding ability of the graphics card for HD video is also very important. This will also test the performance of hardware decoding HD video card. For example, the hardware acceleration of H.264 and Vc1 has been done on the graphics card. Otherwise, playing a movie, accounting for more than 60% of your CPU, is a terrible thing
ATI's new 2000 Series graphics card (2600XT, etc.) is superior to n card in playing HD And with a sound card.