Legal basis: Notice from China People's Bank, Ministry of Industry and Information Technology, China Banking Regulatory Commission, etc. 1. Correctly understanding the attributes of Bitcoin Bitcoin has four main characteristics: no centralized issuer, limited total amount, unlimited use and anonymity. Although bitcoin is called "currency", it is not a real currency because it is not issued by the monetary authorities and has no monetary attributes such as legal compensation and coercion. In nature, bitcoin should be a specific virtual commodity, which does not have the same legal status as currency, and cannot and should not be used as currency in the market.