交易数据全生命周期区块链隐私保护评估方法

doi:10.3969/j.issn.0255-8297.2022.04.002

Abstract

Abstract: This paper proposes an evaluation method of blockchain privacy protection for full life cycle of transaction data in view of the differences between blockchain and traditional information systems, analyzes blockchain privacy leakage risk and privacy protection methods from aspects of transaction data that are release, consensus, storage, and application to establish a blockchain privacy protection evaluation index system; conduct relative importance decision-making for index, and weight calculation using a dynamic index weight assignment method combining analytic hierarchy process and pairwise comparison; combine three dimensions of privacy protection strength, transaction data usability and privacy protection technical performance to calculate blockchain privacy protection related capability score. The analysis shows that the method enables a comprehensive evaluation of the level of blockchain privacy protection.

Key words: blockchain privacy, privacy protection evaluation, analytic hierarchy process, privacy leakage risk analysis

CLC Number:

TP309

ZHU Xuguang, XING Chunxiao, LI Wenqing, HAO Yingting. Evaluation Method of Blockchain Privacy Protection for Full Life Cycle of Transaction Data[J]. Journal of Applied Sciences, 2022, 40(4): 555-566.

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Evaluation Method of Blockchain Privacy Protection for Full Life Cycle of Transaction Data

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