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Data has tremendous value in this age, but authorization and privacy security issues hinder the process of data sharing. In this paper, a blockchain-based trusted authorization method is proposed. In the application scenario of data trading market, user identity management is realized through distributed digital identity, and two selective disclosure mechanisms with verifiable credentials are designed to realize authorization management. Zero-knowledge proof technology is used to ensure the safety and reliability of authorization process and the privacy security of data sharing.

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Trusted Data Authorization and Sharing Method Based on Distributed Digital Identity

  • 会议论文

  • 发表日期：

    2025年

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  • Zhiqi Zhao,
  • Hao Song,
  • Bin He,
  • Xiaofeng Ma

摘要

Data has tremendous value in this age, but authorization and privacy security issues hinder the process of data sharing. In this paper, a blockchain-based trusted authorization method is proposed. In the application scenario of data trading market, user identity management is realized through distributed digital identity, and two selective disclosure mechanisms with verifiable credentials are designed to realize authorization management. Zero-knowledge proof technology is used to ensure the safety and reliability of authorization process and the privacy security of data sharing.