基于区块链和IPFS技术实现粮食供应链隐私信息保护

doi:10.3969/j.issn.0255-8297.2019.02.003

Abstract

Abstract: Aiming at the privacy issues faced by individuals in the sharing of information in the food supply chain, this paper designs and implements a privacy protection system based on blockchain and interplanetary fle system (IPFS). The system uses the blockchain to store the hash value of the encrypted private information and the permission access control policy set by the user, while the real private information is stored in the IPFS after being encrypted, which ensures the effective control of users to their own information while realizing the storage of privacy information security. In order to achieve flexible privilege management, the system classifes the privacy information; and in order to improve access transparency and encourage users to share their privacy information, the system also designs an integral scheme.

Key words: privacy protection, interplanetary fle system, food supply chain, blockchain

CLC Number:

TP309.2

FAN Xian-li, FAN Chun-xiao, WU Yue-xin. Realization of Privacy Protection of Food Supply Chain Based on Blockchain and IPFS[J]. Journal of Applied Sciences, 2019, 37(2): 179-190.

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Realization of Privacy Protection of Food Supply Chain Based on Blockchain and IPFS

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