基于区块链的精准扶贫数据保护方案

doi:10.3969/j.issn.0255-8297.2021.01.012

Abstract

Abstract: Aiming at the problems of centralized storage, weak tamper proofing, poor traceability and lack of safe and effective sharing channels, etc., a data protection scheme for targeted poverty alleviation based on blockchain is studied. By taking the advantages of blockchain technology, such as decentralization and unforgeability, poverty reduction data are recorded in the form of personal files. Through smart contract and inter-planetary file system (IPFS) technology, the data can be added, updated, verified and shared in the form of digital files. The combination of public chain and consortium ensures data security by anchoring data snapshot information. In the construction of smart contract, combined with secure multi-party computing (SMPC) technology, the security of contract execution is enhanced, and sensitive issues such as fund transfer are solved. With an improved Raft consensus algorithm, the performance, reliability and regional influence of each node are taken as comprehensive performance, based on which, a Raft consensus algorithm is designed to solve the problems of data storage and data processing efficiency. We use postman and JMeter tools to test the storage certificate and the throughput of the system, and obtain satisfying experimental results.

Key words: data of targeted poverty alleviation, blockchain, secure multi-party computing (SMPC), inter-planetary file system (IPFS), Raft consensus algorithm

CLC Number:

TP309

ZHANG Lihua, HUANG Yang, WANG Xinyi, BAI Jiayi, CAO Yu, ZHANG Ganzhe. Data Protection Scheme for Targeted Poverty Alleviation Based on Blockchain[J]. Journal of Applied Sciences, 2021, 39(1): 135-150.

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Data Protection Scheme for Targeted Poverty Alleviation Based on Blockchain

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