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Abstract Food safety is a major issue related to the vital interests of the people. In recent years, food safety incidents have emerged in an endless stream in China. However, the existing food safety traceability methods lack of data sharing, which makes it difficult to conduct unified supervision on food safety. In view of the problems existing in the current food safety traceability method, this paper introduces blockchain technology in food safety traceability field, selects milk as the object of food safety traceability in this paper, analyzes the whole process of milk supply chain, designs the overall framework of milk traceability scheme according to the demand analysis and design principles of milk safety traceability scheme, and designs the scheme’s business function module, and chooses ECP-96 traceability coding scheme to ensure the uniqueness as well as security of milk traceability source. In view of the current application of blockchain technology, Hyperledger Fabric is creatively selected as the blockchain technology platform, and Go language is used to develop and implement the traceability method. Through the deployment of multiple nodes and functional testing, the expected food safety traceability goal is achieved.
Wang et al. (Tue,) studied this question.