Recently, the EU finance ministers agreed that private digital currencies such as Facebook's Libra Libra should not be allowed to enter the EU until the risks posed by them are clearly addressed. However, the global discussion on digital currencies continues unabated. According to incomplete statistics from Beijing News reporters, in the past month, nine central banks have voiced their opinions on national digital currencies. Among them, China and France have stated that they are actively promoting the development of digital currencies. It is clear that there is currently no need to issue national digital currencies.