Ethereum wave field
1、 Different definitions:
1. virtual currency:
virtual currency refers to non real currency
digital currency:digital currency is an alternative currency in the form of electronic currency. Both digital gold coin and cryptocurrency belong to digiccy
3. Cryptocurrency:
cryptocurrency is a kind of transaction medium that uses cryptography principles to ensure transaction security and control the creation of transaction units
4. Token (token):
a kind of article whose shape and size are similar to currency, but the scope of use is limited and has no currency effect, and its token is the homonym of token in English
Second, the characteristics are different:1; It can also be said that virtual currency is personalized currency. In another way, it can also be called information currency
2. Digital currency:
is an unregulated and digital currency, which is usually issued and managed by developers and accepted and used by members of specific virtual communities
Cryptocurrency:cryptocurrency is based on the decentralized consensus mechanism, which is opposite to the banking and financial system relying on the centralized regulatory system
4. Token (token):
usually needs to be exchanged for money, used in shops, playgrounds, mass transportation and other places, as a voucher to use services and exchange goods
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at present, digital currency is more like an investment proct, because it lacks a strong guarantee agency to maintain its price stability, and its role as a value measure has not yet appeared, so it can not be used as a means of payment. As an investment proct, digital currency cannot develop without trading platform, operating company and investment company
digital currency is a double-edged sword. On the one hand, the blockchain technology it relies on has been decentralized and can be used in other fields except digital currency, which is one of the reasons why bitcoin is popular; On the other hand, if digital currency is widely used by the public as a kind of currency, it will have a huge impact on the effectiveness of monetary policy, financial infrastructure, financial market and financial stability
There are many views on the reasons why bitcoin fell below $10000 this time, some people in the instry said: "maybe it's a good play prepared by the main force to commemorate the 94 event in advance." more people think that the withdrawal of OTC funds by mining of defi (decentralized Finance) may be one of the main reasons for the current round of decline. However, there are also views that the main reason for the decline of bitcoin is e to the market smashing by the makers
according to the website of coinmarketcap, in the early morning of September 3, bitcoin dropped more than 10% in the short term. At one time, bitcoin fell below the US $10000 level, and the lowest fell to US $9960, which was a new low since July 27, with a 24-hour decline of 9.98%. At present, bitcoin has rebounded to US $10302. At the same time, cryptocurrency declined collectively, and most of the top ten popular currencies in market value, except stable currency, fell by more than 10%
However, e to the special date of bitcoin's decline and the foreshadowing of the decline in the previous two days, some people in the instry said: "maybe it's a good play prepared by the main force to commemorate the 94 event in advance.". It is reported that the coin circle 94 incident originated from September 4, 2017, when seven ministries and commissions jointly issued the announcement on preventing the financing risk of token issuance, officially calling for the suspension of ICO (initial token issuance) financing, which was regarded as an important watershed in the history of China's digital currency speculationhowever, it is not the tradition of the coin circle to fall every festival. On the decline of bitcoin this time, more people think that the withdrawal of OTC funds by the mining of defi (decentralized Finance) may be one of the main reasons for this round of decline
however, there are also views that the main reason for the decline of bitcoin is e to the market smashing by the makers
KOL, an analyst known as the trend maniac of digital currency, pointed out that there have been a large number of smashing orders in the exchange recently. When the currency price is around us $11770-11800, the exchange's large investors mp goods at US $11750 in 500btc, and all the orders are instantly eaten by the brick moving robot, about 4000 coins are smashed
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mining of DEI (decentralized Finance) and withdrawal of over-the-counter funds are the reasons for the current round of decline.
Wu Gang, founder of bitcoin wallet letter, publicly said on the social platform that the market decline is the "blood sucking" of the defi (decentralized Finance) project, and gave an example of sushi project, which has soared 100 times recently
Kang Lu, a senior researcher of fire coin Research Institute, said to the analysis of interface news that the recent hot spot of digital currency is not in the bitcoin market, but the prosperity of the overall digital currency market caused by the graal prosperity of the decentralized financial market in Ethereum ecology and wave field ecology
it can be seen from the fact that the trading volume of decentralized exchanges has reached 6% of that of mainstream exchanges. In addition, at the beginning of September, the 24-hour trading volume of uniswap, a decentralized exchange, reached US $441 million, surpassing the head centralized exchange coinbase Pro for the first time
EOS: once EOS flies, it's like a runaway Mustang. It's only a short time from 4 yuan to 21 yuan. Projects like EOS may be beyond imagination, but after all, they are still in the process of development, and the overall market is warm and cold, so it's inevitable for them to fluctuate in the middle
HSR: the momentum of HSR is insufficient. Martians are still sparing no effort in its operation. Community promotion has been launched in an orderly manner. It's landing on fire coin immediately. Foreign countries are also pushing forward and making trouble with quantum. It can be said that the good news of braised pork has never stopped. Give him some time to gather energy. The current price is not the first price, but it's impossible to break through thousands by the end of the year. If there is a forecasting market platform, Can we make a prediction, will Martians eat Xiang
WKC player currency: Recently, many newcomers have entered the currency circle because of this currency. Now there is internal strife. The stock price of Xunlei and WKC are falling. When regular listed companies participate in such a hype market, there is a big policy risk behind it. Moreover, it is said that the computing power of player cloud has been changed and the mining efficiency has declined, An asset similar to Q currency is not optimistic about long-term development
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the digital currency launched by the central bank is a national sovereign currency, which is based on the digitalization of RMB. This is a piece of data generated by a complex algorithm, which contains blockchain and encryption technology, making it unique. The payment of Alipay and WeChat is not digital money, but only based on the payment realized by electronic accounts. Compared with the current pattern of "payment transfer collection" with the help of third-party payment, what digital currency needs to achieve is "decentralization", that is, to cancel the transfer link and directly hand over the money from the payer's account to the payee, so as to rece the payment cost in currency circulation
types of digital currency
according to different issuing or consensus mechanisms, it can be divided into four categories:
1, proof of work (POW)
proof of work. The system rewards are obtained through the mining of computing power to complete the issuance and distribution of currency. More work, more gain. Such as bitcoin, lightcoin (LTC)
the advantage is that the mining cost can form a monetary price support to a certain extent, and the disadvantage is that energy consumption and environmental protection are criticized< 2. Proof of stake (POS). Allocate the newly generated currency or interest according to the amount and time of cryptocurrency you hold. Such as dash and Neo
compared with pow, POS is more energy-saving, but it increases the security risk
3. The evolution scheme of delegated proof of stake (dpos)
POS. Similar to the voting mechanism of the board of directors, through the election of representatives to vote and make decisions, n accounting nodes are elected to create, verify, sign and supervise each other. Such as the grapefruit coin (EOS)
the advantage is high efficiency, but the problem is that it presents a semi centralized state
4. POW + POS hybrid mechanism
POW is mainly used to issue currency, and POS is used to maintain the system. For example, PPC
according to the project type, it can also be divided into four categories:
1. Currency category
digital currency issued for the purpose of transfer, payment and value storage. For example, bitcoin, bitcoin cash (BCH), Monroe (XmR), and grin
2. Public chain currency, that is, the digital currency issued by public chain projects, is generally the "fuel" for the application projects to run on the public chain. Such as eth, grapefruit coin, TRX and ont
3. Application token, that is, digital currency issued by decentralized application projects, is equivalent to equity or points. For example, OMG (payment application), GXC (data application), 1st (game application)
4. Platform currency, that is, the digital currency issued by the digital currency exchange, is equivalent to equity, points or fuel. For example, BNB, HT and okb.
digital currency is an unregulated and digital currency, which is usually issued and managed by developers and accepted and used by members of a specific virtual community. The European Banking authority defines virtual currency as a digital representation of value, which is not issued by the central bank or authorities, nor linked with legal currency. However, because it is accepted by the public, it can be used as a means of payment, or it can be transferred, stored or traded in electronic form
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