Advantages of paper currency over digital currency
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
The role of digital currency:
1. First of all, the central bank's digital currency can provide a huge data base for monetary policy and macro Prudential policy, so that the regulatory authorities can collect real-time trading books of different frequency and different institutions according to their needs, and it is complete and real. This information advantage can help the central bank use policy tools more accurately and flexibly
Secondly, the central bank's digital currency technology can track the flow of funds and help the regulatory authorities to comprehensively monitor and assess financial risks. Finally, the central bank's digital money technology is concive to the transmission of interest rate of monetary policy. Digital currency technology supports "point-to-point" payment and settlement, which can improve the liquidity of market participants. Only the digital currency of the central bank, which is generally accepted by the whole society, can radiate this advantage to the participants of different financial markets, so as to improve the liquidity of financial markets. This will make the term structure of interest rate smoother and the transmission mechanism of interest rate smoother
extended data:
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: because it comes from some open algorithms, digital currency has no issuing subject, so no one or institution can control its issuing; Because the number of algorithm solutions is fixed, the total amount of digital currency is fixed, which fundamentally eliminates the possibility of inflation caused by the overuse of virtual currency; Because the transaction process needs the approval of each node in the network, the transaction process of digital currency is safe enough
even if it's live broadcasting, it's no problem. Live broadcasting is mainly about processor and memory. You can satisfy it, but you need to ensure the network speed