Common digital currency

1.

digital currency is an alternative currency in the form of electronic currency (which can be used for real goods and services transactions)

digital currency has the main characteristics of network packets. This kind of data packet is composed of data code and identification code. The data code is the content we need to transmit, while the identification code indicates where the data packet comes from and goes

based on the characteristics of digital currency, the direct benefit of digital currency to the central bank is not only to save the cost of note issuance, circulation and settlement, but also to enhance the central bank's ability to control funds

Electronic money and virtual money are called digital money. According to the definition of the European Central Bank, virtual money is issued by non central banks, credit institutions and e-money institutions, which can be used as the numerical expression of the value of currency substitutes in some cases

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extended information:

the process of digital currency trading through the platform is as follows:

(1) investors should register accounts first, and obtain digital currency accounts and US dollar or other foreign exchange accounts at the same time

(2) users can buy and sell digital currency with the money in their cash account, just like buying and selling stocks and futures

(3) the trading platform will sort the buying requests and selling requests according to the rules and start to match them. If they meet the requirements, the transaction will be concluded

(4) e to the difference between the buy and sell volumes submitted by users, a buy or sell request may be partially executed

2. Here's a brief introction to several mainstream digital currencies to give you a rough idea. After that, I will talk about the specific currency from time to time

bitcoin is the originator of digital currency and the most valuable virtual currency. Because blackmail virus only takes bitcoin, it has entered the public view. The soaring price of bitcoin in 2017 has attracted a large number of investors to enter the digital money market. Because the number is small, it is only 21 million, which has a strong deflationary attribute
of course, I am extremely optimistic about the future of bitcoin. Of course, many people are not optimistic about digital currency. Here, it is most pertinent to quote Krugman's view:
"at least for now, buying bitcoin is still a good investment. But that doesn't mean the experiment was successful. The original intention of establishing a monetary system is not to make those who hold money rich, but to make transactions convenient and benefit the whole economy. And none of these bitcoins came to us. "
reborn currency
a protocol currency issued by reborn, which is the base currency of reborn network. It can circulate in the whole reborn network, with a total amount of 100 billion, and graally decreases with the increase of transactions. Reborn currency is the only common currency in ripple system, which is different from other currencies in ripple system, Ripple labs (formerly known as opencoin) is the operating company of ripple coin
unlike bitcoin, reborn is a kind of transaction protocol, which is called smart contract in technical terms. It supports people to pay in any currency, and does not need a central data exchange center, so the transaction confirmation time of ripple is only 35 seconds, while that of bitcoin is 10-40 minutes

Ethereum
Ethereum is the name of currency used in Ethereum, which is used for payment calculation in Ethereum virtual machine. Ethereum is a blockchain that can be used to deploy decentralized applications. It is an open source computer platform and blockchain platform. At the end of 2013, it was founded by vitalik buterin, a Russian programmer
there is a key difference between the blockchain technologies used by Ethereum and bitcoin. Ethereum's data processing speed is faster than that of bitcoin, because once agreed, Ethereum's system will automatically apply to the terms and conditions in the contract
unlike bitcoin, the value of Ethereum depends on whether the applications on the platform of Ethereum are prosperous or not, just like the price of oil will rise with more machines using oil

bitcoin cash
bitcoin cash is a branch of bitcoin. In order to solve the problem of long transaction time of bitcoin, at 20:20 on August 1, 2017, a small number of mining machines began to use 8m block to start mining, and the transaction confirmation speed was thousands of times faster than that of bitcoin using 1m block
strictly speaking, however, there are different opinions on whether this is a new branch of bitcoin or another kind of "counterfeit currency". But now the offer of bitcoin cash is nearly 20000 yuan, so it's not too much to use it as a kind of "Shanzhai coin" to divide bitcoin traffic

IDA coin, ADA in English, is a proct of Cardano project. The total amount of Aida is 4.5 billion yuan, and 3 billion yuan will participate in the subscription. Among them, 2.5 billion ADA will be used for platform subscription, 500 million for the financial support of the development company's operating company, and 1.5 billion ADA coins will continue to be issued in the form of block awards
Cardano is a project started in 2015 to change the way cryptocurrency is designed and developed. This project is aimed at technical reformers, technical improvements to bitcoin and existing platforms. If bitcoin, Ethereum and other projects have many other shortcomings, Cardano can solve them<

lightcoin
a currency based on bitcoin protocol, but it does not require very high computing power, and it can also be mined by ordinary computer. Lightcoin's algorithm comes from the algorithm designed by Dr Colin Percival for tarsnap secure online backup service (backup for Linux and other open source operating systems)
for a long time, there has been a voice that "lightcoin will replace bitcoin", which is impossible. In the future, there will probably be a variety of cryptography currencies in the world, but any kind of counterfeit currency can not replace the mainstream position of bitcoin, no matter how excellent its algorithm is compared with bitcoin<

stellar currency
stellar currency, a digital currency project initiated by Jed McCaleb, the former founder of ripple, is used to build a decentralized gateway between digital currency and legal tender. It will be provided to users in the form of free distribution, and its supply online is 100 billion, of which 95% of the amount of star coin is used for free distribution
star is a diversified team. The board members include Keith rabois, former COO of square, Patrick collison, CEO of stripe, Jackson Palmer, co-founder of dogcoin, and naval Ravikant, co-founder of angellist, who will be the consultant of the project< New economy movement, or NEM, was founded on January 19, 2014. The founder is a mysterious person in bitcointalk.org forum called utopianfuture. The original intention of utopian future was to build a second-generation digital currency NXT. He then realized that NXT's distribution model was unreasonable, so he devoted himself to NEM with egalitarian distribution
as a kind of cryptocurrency, new coin does not need much computing resources to maintain the operation of nodes. The proof of importance (POI) engine of NEM reces the threshold of computing resources to participate in non-traditional blockchain<

dascoin
formerly known as black coin, is a kind of counterfeit currency of bitcoin, which focuses on anonymous function. There are many innovations, such as master node network, fast payment, mixed currency anonymous technology, proposals can vote, and developers have fixed budget support. The core consists of a unique incentive P2P network. Miners are rewarded for maintaining blockchain security; The main node holders are rewarded for verifying transactions, storing data and providing a variety of services
the feature of anonymity meets the needs of some investors for absolute privacy. Although bitcoin is also widely used in money laundering and other illegal transactions e to its anonymity, it is only "pseudo anonymity", and the transaction of bitcoin can still be traced back to the traders themselves.

3. There is no universal digital currency in Asia. Digital currency is not international currency, let alone legal currency. In Asia, the attitude towards digital currency is relatively conservative
most well-known digital currencies are imported procts, such as bitcoin, Ethereum, lightcoin, etc. The outstanding digital currencies made in China include Ruitai, tebi, Yuanbao and so on.

4. On the issue of issuing their own digital currency, central banks are always less thunderous. Central banks around the world are considering issuing their own digital currencies to compete with cryptocurrencies such as bitcoin, but they have been unable to do so for a long time

the media's attention to the central bank's digital currency has increased significantly, especially after Zuckerberg testified in Congress on the Libra issue and Christina Lagarde acknowledged the "clear demand" for stable currency at her first media reception as president of the European Central Bank, which seems to have changed the public's view on this matter, Let many people in cryptocurrency community think that cbdcs is in sight<

according to the latest survey report released by the bank for International Settlements, central banks in the past seven years have been investigating this technology and assessing its impact. Of the 63 central banks surveyed, 55 said they were unlikely to issue cbdcs in the next three years, and only one reported that they were "highly likely to issue large-scale cbdcs in the next three to six years."

although the proportion of central banks studying cbdcs is very high, the crux of the problem is that it is mainly theoretical and investigative work. Only five central banks have concted more in-depth research and real project development or experimentation - but that still does not mean that they will necessarily issue cbdcs

through close observation, it is more and more obvious that both Libra recently released by Facebook and the new stable currency assets have had a significant impact on the central bank. Today's situation took hundreds of years to form, but it changed in a few months; Competition, the most terrifying and unfamiliar concept that has never been thought of before and penetrated into the elite society of central banks, is now knocking at the door

it can be said that the solution to the current situation is still unclear. Some people who are familiar with these things even say that they are bluffing. However, in Lagarde's own words, the slow and wait-and-see regulatory approach can no longer meet the needs

1. What is central bank digital currency<

what is the difference between central bank digital currency CBDC and other digital currencies

CBDC is a new form of currency, which is directly issued by the central bank in digital form as legal tender. The current form of legal currency is cash, reserve deposit or balance settlement< There are two main differences between CBDC and other digital currencies (including cryptocurrency and other forms of central bank currency):

1. CBDC has nothing to do with cryptoassets. They're not decentralized, they don't have to be blockchain based, and they're certainly not anonymous, they're not unlicensed, they're not censored< 2. Contrary to the current digital cash, the operation structure of CBDC will be different from other forms of central bank currency. CBDC has more powerful functions. They are programmable, can generate interest, can be cleared in near real time, and have cheaper handling charges and wider openness

when designing CBDC, the speed of central banks is different. Different central banks adopt their own approach. However, in general, there are three problems being explored: whether CBDC should be based on token or account number, whether CBDC should be batch (only open to banks) or retail (open to the public), and whether it should be based on DLT

when CBDC is to be implemented, things will become complicated, and there are many thorny problems to be considered

for example, once CBDC is launched, does it need to cancel cash? Should CBDC carry interest? Should they have face value like cash? Or linked to the total price index? What impact will this have on commercial banks? What about anonymity and privacy? All these questions need to be answered<

2. Motivation for issuing CBDC

in the 2017 staff discussion paper, the Bank of Canada gave six reasons for issuing CBDC in an article entitled "central bank digital currency: motivation and impact":

1. Ensure that the central bank provides sufficient cash to the public, and maintain the seigniorage revenue of the central bank

2, Support non-traditional monetary policy

3. Rece overall risk and improve financial stability

4. Improve payment competitiveness

5. Promote financial inclusiveness

6. Curb criminal activities

looking back at the bank for International Settlements survey we analyzed earlier, payment security and domestic efficiency are selected as the most important motives of the central bank. According to a large number of papers published by the central bank and other large financial institutions, for developed countries, the transformation into a cashless society is the main driving factor, while for developing countries, financial inclusiveness, cost rection and operational efficiency are the main motivation

throughout the rest of the reports and the literature that can be found, the fierce competition brought about by bitcoin and other innovations in the cryptocurrency instry, as well as the clear need for "one step ahead", of course, are not listed as the reasons for issuing CBDC< The advantages and potential risks of CBDC are very low.

if the central bank starts to launch CBDC and succeeds in the end, there are many potential benefits

from a technical point of view, CBDC is much better than the current form of legal currency. They can be tracked better, collect taxes more conveniently, transmit monetary policy better, have better financial inclusiveness, and rece the cost of procing physical currency

the most obvious advantage is that payment is cheaper and faster, whether it is domestic payment or cross-border payment

in addition to the design and implementation problems, a key problem of issuing CBDC is that CBDC may increase the risk of bank operation. However, this only happens when banks promise that their deposits can be converted into CBDC on demand, which is not necessarily the case, according to the Bank of England document

4. Facts on the ground

how far is it from us to see a real CBDC appear in the market? It's hard to estimate, but at present, we can sum up the current situation in one sentence: all talk but no practice

if we put aside the failed digital currencies of Ecuador, Tunisia and Venezuela, we can only do theoretical research, a small amount of experiments, and issue some feasible CBDC issuance announcements supported by the state in the future

the most famous CBDC projects in progress are: e-peso in Uruguay (the project was successfully tested in 2018), DCEP in China, "project Inthanon" in Thailand, e-krona in Sweden (still in the research stage)...

5. The revolution has not yet been successful, and comrades still need to work hard

considering the factors mentioned above, Most of the headlines about CBDC's upcoming release are groundless. All projects scheled to be released this year have been delayed

in fact, there is still a long way to go for the birth of CBDC, and to convince the public, we need more than a statement. Given the current situation, it seems that CBDC and other cryptocurrencies may not affect each other - at least for now.

5.

[main answer]

at present, China does not support the circulation of digital currency, so there is no legal digital currency

[development materials]

digital currency is abbreviated as digiccy, which is the abbreviation of "digital currency" in English and the alternative currency in the form of electronic currency. Both digital gold coin and cryptocurrency belong to digiccy

digital currency is different from the virtual currency in the virtual world, because it can be used for real goods and services transactions, not limited to online games. The early digital currency (digital gold currency) is a form of electronic currency named after the weight of gold. Today's digital currency, such as bitcoin, lightcoin and ppcoin, is an electronic currency created, issued and circulated by check sum cryptography. It is characterized by the use of P2P peer-to-peer network technology to issue, manage and circulate currency. In theory, it avoids bureaucratic examination and approval, so that everyone has the right to issue currency

digital gold currency is a kind of physical currency, and its deposit is measured in gold rather than legal currency. Therefore, the purchasing power fluctuation of digital gold currency is related to the gold price. If the price of gold goes up, it becomes more valuable. If the price of gold goes down, it loses value. Since there is no specific financial regulation to regulate digital gold money suppliers, they operate in a self regulatory manner. Digital gold money suppliers are not banks, so banking regulations are not applicable. However, the global digital currency Association, founded in 2002, is a non-profit association of online currency operators, convertors, merchants and users. This association supervises the users' reports and ratings the reputation of the convertor. The rating operation is confirmed by the users' reports