Digital currency calling card

1. Unless digital currency opens up a business like credit card, you can't pay without money

2. NFC means near-field communication, that is to say, close use, such as bus and subway card
digital currency transactions only use the network, which has nothing to do with NFC. Of course, it can be used.

3. NFC should be a way of digital currency transaction, as far as internal test is concerned. The official explanation is that the digital currency wallet has the functions of scan code payment, payment code, touch and remittance. NFC is the hardware condition of near-field NFC payment, and NFC should not be the necessary condition of digital RMB.

4.

Digital currency can be considered as a virtual currency based on node network and digital encryption algorithm. The core characteristics of digital currency are mainly reflected in three aspects:

1. Because digital currency comes from some open algorithm, it has no issuer, so no one or organization can control its issuance

When determining the number of solutions, the total amount of digital currency is fixed, which fundamentally eliminates the possibility of inflation caused by excessive issuance of virtual currency

3. Because the transaction process needs the approval of each node in the network, the transaction process of digital currency is safe enough

extended information:

the central bank concted a private test on this digital currency, and some civil servants' salaries were received in the form of digital currency

screenshots of the digital currency wallet applications launched by Agricultural Bank of China, China Construction Bank and Bank of China are widely spread on the Internet, showing various functions, including the ability for depositors to track digital currency transactions and associate digital currency wallets with their existing bank accounts

5. Well, it's said in the news that it can be used even without Internet.

6. UnionPay does not issue digital currency cards, and it has nothing to do with digital currency. In 2014, UnionPay issued an announcement banning digital currency. The development of digital currency will affect UnionPay, which is a competitive relationship
some digital currencies that claim to have a certain relationship with UnionPay are false propaganda, and these currencies are unreliable. Bitcoin, Ruitai coin and vitality coin are real digital currencies, and they are all open source.

7. It is not allowed for users of digital currency exchange to change their mobile phone accounts separately.