GIA (Global Immunity Alliance) is a smart healthcare value chain based on technologies such as blockchain, artificial intelligence, and the Internet of Things.GIA is an equity certificate in the network. Users who upload and share information will receive a token. Purchasing insurance, disease diagnosis, health assistants, and real-time health warning services require the consumption of GIA tokens. When medical institutions need to use medical data research and development or Global Immunity Alliance platform resources, tokens are required as economic means....