What is the total output of bitcoin

1.

There are only 21 million bitcoins

"graphics card mining" is a joke. In fact, it is running a specific algorithm to generate bitcoin through a large number of calculations

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extended materials:

the concept of bitcoin was first proposed by Nakamoto in 2009. According to Nakamoto's idea, the open source software was designed and released, and the P2P network on it was constructed. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system

unlike most currencies, bitcoin does not rely on specific currency institutions. It is generated by a large number of calculations based on specific algorithms. Bitcoin economy uses the distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses the design of cryptography to ensure the security of all aspects of currency circulation. The decentralized nature and algorithm of P2P can ensure that it is impossible to artificially manipulate the value of bitcoin through mass proction. The design based on cryptography can make bitcoin only be transferred or paid by the real owner. This also ensures the anonymity of money ownership and circulation transactions. The biggest difference between bitcoin and other virtual currencies is that the total amount of bitcoin is very limited and it has a strong scarcity. 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 21 million

bitcoin can be cashed and converted into the currency of most countries. Users can use bitcoin to buy some virtual items, such as clothes, hats and equipment in online games. As long as someone accepts it, they can also use bitcoin to buy real-life items

on February 26, 2014, Joe Manchin, a Democratic senator from West Virginia, issued an open letter to a number of regulatory authorities of the US federal government, hoping that the relevant authorities would pay attention to the status quo of bitcoin's encouraging illegal activities and disrupting the financial order, and demanded that actions be taken as soon as possible to completely ban the electronic currency

from 12:00 noon on January 24, 2017, China's three major bitcoin platforms officially began to collect transaction fees

2.

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

3. Mines are everywhere. You can mine them in your own home, as long as you have equipment. This year, domestic mining has been banned, but some relatively large mines have moved to foreign countries. Now Iceland can be said to be the largest mining area in the world
let's talk about the output. It's not as good as before
with the increase of computing power in the whole network, the proportion of computing power owned by miners in the whole network has decreased
the generation speed 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
in addition, the equipment investment and electricity charges in the early stage are very expensive
the front runners have already started to drink soup. Want to know the latest information and market of currency circle, exchange. Focus on the mustard circle
hope to adopt

4.

The concept of 21 million

bitcoin was first proposed by Nakamoto in 2009. According to Nakamoto's idea, open source software was designed and released, and P2P network was built on it. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system

bitcoin is not issued in unlimited quantity, which is different from most currencies. Bitcoin does not rely on a specific currency issuer. But according to the specific algorithm, through a large number of calculations. Its circulation is controlled by software algorithms. The total number is 21 million

extended materials:

generation principle

starting from the essence of bitcoin, the essence of bitcoin is actually the special solution generated by a bunch of complex algorithms. A special solution is one of the infinite (in fact, bitcoin is finite) solutions that can be obtained from the equations. Every particular solution can solve the equation and is unique[ 10] In the metaphor of RMB, bitcoin is the serial number of RMB. If you know the serial number of a note, you have the note. The process of mining is to constantly seek the special solution of this equation system through a huge amount of calculation. This equation system is designed to have only 21 million special solutions, so the upper limit of bitcoin is 21 million

to mine bitcoin, you can download the special bitcoin computing tools, register various cooperation websites, fill the registered user name and password into the computing program, and then click the operation to officially start. After completing the installation of bitcoin client, you can directly obtain a bitcoin address. When others pay, you only need to paste the address to others, and you can pay through the same client. After installing the bitcoin client, it will distribute a private key and a public key. You need to back up your wallet data containing your private key to ensure that your property is not lost. Unfortunately, if the hard disk is completely formatted, personal bitcoin will be completely lost

5. Fundamentally speaking, price of course depends on supply and demand. As I have said before, the total amount of bitcoin is limited. The specific method is that the reward is reced by half every four years. The next time the proction is reced by half is in July of recent years. According to the situation in previous years, when the proction of bitcoin changes, it is also the time when the price fluctuation ratio is more severe

6. The total grain output in 2017 is a, 10% more than that in 2016, so the total grain output in 2016 is 0.9A

7.

In 2019, China's rice output will be 209.61 million tons

in 2019, China's total grain output was 663.84 million tons (1327.7 billion catties), an increase of 5.94 million tons (11.9 billion catties) over 2018, an increase of 0.9%, reaching the highest level in history

the data shows that in 2019, the sown area of grain in China will be 116064000 ha (1740950000 mu), which is 975000 ha (14620000 mu) less than that in 2018, a decrease of 0.8%. Among them, the sown area of cereals was 97847000 ha (1467710000 mu), a decrease of 1824000 ha (27.36 million mu) compared with 2018, a decrease of 1.8%

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the grain yield per unit area will increase in 2019

The grain yield per unit area increased. In 2019, China's grain output per unit area will be 5720 kg / ha (381 kg / mu), an increase of 98.4 kg / ha (6.6 kg / mu) over 2018, an increase of 1.8%. Among them, the grain yield per unit area was 6272 kg / ha (418 kg / mu), an increase of 151.4 kg / ha (10.1 kg / mu) over 2018, an increase of 2.5%

The improvement of grain yield per unit area benefited from the overall favorable agricultural climate conditions and the further optimization of grain proction structure. First of all, this year's climate conditions are more suitable, which is concive to the growth and development of food crops. The unit area yield of summer grain and autumn grain, which account for 96% of the annual grain output, has increased compared with that of last year; Secondly, this year's disaster relief measures are effective, and the impact of agricultural disasters is limited; Third, all localities should vigorously develop the proction of scarce, green and high-quality agricultural procts, improve the quality of grain proction and optimize the structure

8. (total grain output in 2011 - 2010) / total grain output in 2010 * 100%.

9. seven hundred and twenty ÷ 62.5% = 11.52 million kg