一种基于区块链的电子合同共享方案

doi:10.3969/j.issn.0255-8297.2023.02.014

Abstract

Abstract: In order to solve the problems of data tampering or leakage in the storage and sharing of electronic contracts, an electronic contract sharing scheme based on blockchain is proposed. First, a proxy smart contract is constructed by combining the contract with the proxy re-encryption to replace the traditional proxy, and the secure sharing of electronic contract is decentralized. Inter planetary file system (IPFS) is then used to store the ciphertext of electronic contract, and the electronic contract index address is stored in the blockchain, which effectively alleviates the storage pressure of the blockchain. Finally, the security performance of the proposed scheme is analyzed.

Key words: electronic contract, blockchain, smart contract, proxy re-encryption, inter planetary file system (IPFS)

CLC Number:

TP311.13

ZHAO Haihong, YAO Zhongyuan, ZHU Weihua, ZHU Ziqiang, PAN Changfeng, SI Xueming. An Electronic Contract Sharing Scheme Based on Blockchain[J]. Journal of Applied Sciences, 2023, 41(2): 359-368.

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An Electronic Contract Sharing Scheme Based on Blockchain

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