Currency Transfer System (CTS) consider currency as electrical energy consumption comparing with Standard Transfer System (STS). Not only Currency Transfer System can raise the energy saving consciousness of consumers, but also can solve the problem of power hoarding effectively. Therefore the price of electricity can often vary as supply and demand. Currency Transfer System is widely applied abroad. Comparison and analysis are made about the standards of CTS domestic and overseas and general entity model is researched. Combined with practical application, CTS safety certification system is emphasized, including security framework, the Token code generation and process, key generation, encryption mode, electricity sell model and key management, etc.