Recently, People's Daily reported that the development of the blockchain industry has entered a new stage, and an era oriented by blockchain applications is coming. The application of blockchain technology will present a trend of “multiple blossoming and accelerating”. Currently, both the capital and the Internet giants represented by Ali and Baidu have begun to dig deep into the blockchain industry. The focus of the market has been from “what is the district. Blockchain", "Why use blockchain" gradually changed to "how to use blockchain", and hope to reshape the operating system of Internet technology construction through blockchain technology, thus finding a new direction for the development of the industry.