Exit digital currency

1.

On November 9, 2019, the central bank has not launched digital currency

in 2014, the Central Bank of China set up a special research team to conct in-depth research on the framework of digital currency issuance and business operation, key technologies of digital currency, issuance and circulation environment, and legal issues

in January 2017, the central bank officially established the digital currency Research Institute in Shenzhen

in September 2018, the Institute of digital currency built a trade finance blockchain platform

On July 8, 2019, at the launching ceremony of the digital finance open research program and the first academic seminar, Wang Xin, director of the Research Bureau of the people's Bank of China, disclosed that the State Council has officially approved the research and development of the central bank's digital currency, and the central bank is engaged in corresponding work in organizing market institutions

extended data:

benefits of digital currency

the digitalization of central bank's currency helps to optimize the central bank's monetary payment function, improve the central bank's monetary status and the effectiveness of monetary policy. The central bank's digital currency can become an interest bearing asset to meet the holder's reserve demand for safe assets, and can also become the lower limit of bank deposit interest rate. It can also become a new monetary policy tool

at the same time, the central bank can affect the bank deposit and loan interest rate by adjusting the digital currency interest rate of the central bank, and help to break the zero interest rate lower limit

2. The Internet of things is a general term for an instry, such as the automobile and rice instry.
if someone says that this is the original stock currency to send points and personal information, it can be basically confirmed that it is MLM

3. The specific time has not been determined, but it has been concerned for three years
more than three years ago, the people's Bank of China started to organize a seminar on digital currency, and then set up the digital currency Research Institute of the central bank. The latest action is to jointly organize distributed R & D with the instry and cooperate with the market

the name of R & D used by the central bank is DCEP, which is actually electronic payment. What is paid is digital, not paper money. Digital money also has monetary attributes. The study of digital currency is not to realize the application of a certain technical solution, but to pursue the convenience and low cost of retail payment system, as well as security and privacy protection
the digital currencies of bitcoin, wikilink and Ethereum provide some reference for the digital currencies issued by the central bank, especially blockchain.

4. At present, it seems that we can directly exchange the money into RMB, and then withdraw the money. You can also directly put forward the currency to see which foreign platforms support transactions.

5. The central bank has never launched or planned to launch any digital currency
all the digital currencies claimed to be launched by the central bank are frauds

6.

The central bank has recently been planning to launch & lt; Digital currency & quot; Now, some people think that since digital currency is going to be launched, does it mean that paper money will be replaced? In fact, paper money still has a place

01. The introction of digital currency conforms to the development trend of the times< p> in daily life, the use of cash is less and less , many of us now go out without cash, and there are more and more payment software. At the beginning, a treasure and a letter occupied half of the country, but now many people also start to use other payment software, and are no longer limited to these two kinds

when I used to go out, I used to go out with a certain treasure and a certain letter, but now I have a UnionPay. Every time I buy something, I can get a little discount. So, as long as conditions permit, I usually use UnionPay to pay. As an old saying goes, & lt; A little makes a lot;, Although each free amount is not much, but can not bear the large number of ah, in school, our school also has this payment software activities, a top ten, equivalent to white whoring a bowl of rice at noon, how good, so, UnionPay now in my heart also occupies a big position

summary:

it is impossible for digital currency to completely replace paper money, because many people still need paper money. I don't want my own capital flow to be clearly controlled by others in the future, and I need some private space

7. The issue of bitcoin is determined by the block height, that is, the distance from the No. 0 block of Genesis. Now when the number is reached, the total amount of bitcoin should be limited. After this village, there will be no store. If the miners dig a block but don't receive the reward of the block, the bitcoin will be destroyed forever

coinbase transaction is a special transaction that generates bitcoin "out of thin air". Only miners can write this kind of transaction, and the number of generated bitcoin is limited by rules (new currency reced by half for every 210000 blocks + transaction fee for this block)

however, the rules do not stipulate that the miner must take away all the rewards that can be taken, and can choose not to take them

therefore, a mine pool connected with the RSK side chain has made a bug before, forgetting to take away the reward and occupying a pit in a block for nothing, which is equivalent to destroying the corresponding amount of bitcoin, making the total amount of bitcoin decrease a little bit permanently

in addition, to spend a bitcoin, you only need to specify the transaction ID and output serial number

as like as two peas in multiple blocks repeatedly write identical coinbase transactions, the transaction ID is also repeated.

therefore, this kind of situation also occupies the pit of a block in vain, and permanently destroys the corresponding amount of bitcoin

it seems to me that this is still a security vulnerability, so the new version of bitcoin software later banned the writing of repeated coinbase transactions. But until now, there has been no ban on miners not getting their e rewards

generally speaking, a coin is controlled by a private key. If a coin is transferred to an address where no one knows the private key, it will be destroyed

if the owner does a good job in security, and the private key is not disclosed and cannot be guessed, but he accidentally loses the private key, it is equivalent to destroying all the coins he owns

there are only some special circumstances that require intentional destruction of coins

one is irreversibly converted into another kind of currency, such as the contract currency XCP attached to bitcoin and wormhole cash WHC attached to BCH

the second is to save certificates and data on the chain, such as the time stamp: panbiao.com/2013/08 /

and the crowd funding of the original Ethereum founding team: zhuanlan.hu.com/p/29

the private key is essentially a big number. Whoever knows this number can control the currency on the corresponding address. So the private key must be generated with reliable random number, otherwise it may be guessed and stolen

compared with the token, the address is the hash of the public key. There is no way to judge whether an address has a corresponding public key and private key (even if the public key is known, the corresponding private key cannot be known). Therefore, even if it is explicitly the address of "burned" token, the system does not prohibit the transfer in

strictly speaking, what locks the currency is a small program (script). This program takes the input as the public key and digital signature. First, check whether the public key hash is consistent, and then check whether the digital signature is valid. If it is valid, it will be verified and transfer is allowed; Otherwise, it will be judged that the transaction is illegal and refuse to package into the chain

it is the whole node software that explains and executes this program. It can be said that the software code of the whole node specifically defines a coin

however, the current situation is very embarrassing. Most miners do not run the whole node, only a few mines are running. The vast majority of users do not run the whole node, even if they run the whole node, they can only perform verification, no computing power, no block

8.

A few days ago, some media reported that in the future, once the legal digital currency really runs, the application scenarios will penetrate into all aspects of social life, but its real launch will take time

At the same time, the issuance of legal digital currency will greatly increase the number of point-to-point transactions, bypassing the original regulatory system to a certain extent, which is easy to facilitate illegal transactions. As digital currency makes it very convenient to convert deposits into cash, financial panic and financial risk will accelerate the spread once they occur, which increases the difficulty of supervision

In addition, in the process of using legal digital currency, a large number of user data and transaction information will be obtained. How to store and manage these data to prevent the disclosure and illegal use of user information is also an important challenge. No matter from the perspective of technology or security, it is difficult to have a great impact on monetary policy and payment mode in the short term

Article source: bit110 network

9. There will be two situations. One is that there will be a globally recognized digital currency, which can circulate in the world. Another situation is the emergence of a super strong situation, just like the current international situation. This kind of digital currency may be issued by a powerful country or alliance, and other countries will also have their own digital currency, but it mainly plays a supporting role. Bitcoin, Ruitai coin and vitality coin may only exist as an asset class at that time.

10. Mining generally starts with 7950, and 7870 is usually bought and used well. If you're afraid of mine cards, start directly with the black east, r9-270 must be non mine.