CDBC (Cloud Data Base Chain) is building a universal, fully functional, high-performance, convenient, user-friendly, and scalable blockchain 4.0 ecosystem based on enhanced DAG. Provide chain infrastructure and platform core technology algorithms and signature algorithms for cloud data value transmission applications, dual layer consensus and mining mechanisms, and gather CDBC to create an ecosystem.In the world after the widespread application of CDBC, any behavior and activity of people can be automatically paid, evaluated, saved, and judged for legality. People can choose whether to save their lifelong behavior and activity. This is the world after the complete combination of CDBC network and blockchain and the full realization of Information mapping and value mapping between the real world and the virtual world....