YEC (Yeecore, the big health platform) hopes to build a public chain of personal Health data, establish personal health archives, develop safe and controllable health applications, and support the development of precision medicine and artificial intelligence diagnosis and treatment with the help of blockchain technology.YEC digitally capitalized personal Health data and doctors' diagnosis and treatment data, and realized the security, privacy, accuracy and continuity of personal health information with the help of encryption mechanism; Through the development of smart contracts and DAPP, create an application ecosystem of personal Health data, and participants including individuals, doctors, artificial intelligence, medical institutions, insurance companies and other companies can use medical data safely, reasonably and in a limited way, and ultimately help the entire health care industry to improve....