Food traceability system based on blockchain
Proceedings of the 2020 International Conference on Aviation Safety and Information Technology(2020)
Abstract
At present, the traceability of food information in China is the traceability of a specific product, which lacks universality. Therefore, in order to trace the food information used in major activities, this paper proposes a one-code-one-item food information traceability system. Call Alibaba Cloud's commodity bar code query API to obtain the original information of the product; use the food information traceability software designed in this article to generate an exclusive code for each product to achieve precise identification of one-code-one-item; collect information on subsequent "transaction" links of product warehousing, transportation, testing and processing to ensure the integrity of food traceability information; use AES encryption method to encrypt food traceability information; utilize the distributed fault tolerance, immutability and privacy protection features of blockchain technology to store the encryption key on the chain to avoid illegal tampering and forgery of information and ensure data security.
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Key words
blockchain,food
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