Ifoods chain builds a safe, trusted and shared distributed food safety and quality inspection public chain based on blockchain technology, and provides consumers with a means to quickly detect food safety and quality data. Protecting the interests of consumers, testers, and testing experts through smart contracts; Empowering consumers with the ability to quickly detect food safety and quality through intelligent food detection devices and DAI technology; Attract multiple parties to participate in the ecosystem through incentive mechanisms and blockchain sharing technology features; Ensure the security and queryability of transaction information through blockchain certificate storage and distributed storage; Through the development of a series of DAPP and intelligent devices, various distributed applications in the field of food quality and safety technology are achieved....