Paper money into digital money
as far as I know, there is a big difference between the use of digital currency and traditional paper currency. The purpose is the same, but the technology, security and application are different. The simplest difference is that one is printed on paper, and the other is printed on the blockchain information system in digital form 
there are two simple understandings: currency digital currency is in the form of e-wallet, and RMB is paper currency. When it is used, one is to exchange currency and goods directly, and the other is to use digital currency wallet for transaction and transfer. Digital currency is certainly more convenient, while paper currency will have many problems, such as ring the epidemic, We should try our best to rece the risk of paper money transaction
2. If you have the conditions, it is recommended to use high-end graphics cards of big brands for better mining effect.
Mobile payment means that mobile clients use electronic procts such as mobile phones to make e-money payment. Mobile payment creates a new payment method and makes e-money popular. Because of the advantages of convenient and fast payment, eliminating counterfeit money, no change and so on, it is loved by many people< The Ministry of Commerce issued the "overall plan for the pilot project of deepening the innovation and development of service trade in China", and officially announced that the number of digital currency has expanded from the original 4 pilot cities to 28 , which means that digital currency is coming towards us. The same virtual currency and bitcoin, so these virtual currency can replace the status of paper money
Therefore, it is essentially no different from the paper currency RMB, and will not be wildly hyped like bitcoin. In a short period of time, virtual currency can not completely replace traditional currency. There are mainly two constraints: the first is the user's will, not everyone is used to this payment method; the second is the satisfaction of technical conditions, because the speed of transaction payment is mainly limited by the technical realization, and the goal of digital currency is only to replace part of the cash in circulation. So for a long time, it should be used in parallel with banknotes