The latest digital money transfer smart contract airdrop
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
extended data
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
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will not be replaced. Another important reason is that as long as one pixel of 3D code is damaged, or the color presents chromatic aberration, it may be unable to read. But now there are many electronic procts, chromaticity is not the same, there will be color difference, so it is difficult to identify. However, the QR code will not have such a situation, sometimes even some damaged information can be read completely, which does not affect the use of . So compared with the two-dimensional code, its practicability is not very strong
Although the idea of collecting patent fees from Chinese people could not be realized, Teng Hongyuan did not attach importance to the invention at the beginning, so Chinese inventors improved the QR code, which also promoted the spread of QR code in China. Three dimensional code is really good, but because both businesses and users are used to two-dimensional code, it is almost impossible for three-dimensional code to replace two-dimensional code in a short time< after all, although 3D code is better than 2D code, 3D code also needs to be swept. So even if 3D code can replace 2D code, it is estimated that it will be many years later. After all, it takes a long time for users to get used to itPeople often talk about these initiatives in the context of digital money supply. In fact, more than 90% of the money in circulation has become digital money. In most instrial countries, only about 10% of the money is in the form of physical cash. The central bank is making a huge investment to further accelerate and simplify the digital payment process. In the US, the Federal Reserve will soon unveil a new solution, fednow. It can support nationwide real-time electronic payment. In addition to the United States, Britain, Australia, Mexico and Nigeria have also built and deployed similar infrastructure