Digital RMB is a brand-new encrypted electronic currency launched by the People's Bank of China. It is not a virtual currency, nor is it an online payment or an electronic wallet. It is the legal digital currency issued by the central bank based on national credit. Mainly used in high-frequency business scenarios of small retail. It uses a two-tier operating system. The central bank first exchanges digital currency for banks or other operating institutions, and then these institutions exchange it for consumers.