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A Data Sharing Scheme for GDPR-Compliance Based on Consortium Blockchain

Author

Listed:
  • Yangheran Piao

    (Key Laboratory of Aerospace Information Security and Trusted Computing, Ministry of Education, School of Cyber Science and Engineering, Wuhan University, Wuhan 430072, China)

  • Kai Ye

    (Key Laboratory of Aerospace Information Security and Trusted Computing, Ministry of Education, School of Cyber Science and Engineering, Wuhan University, Wuhan 430072, China)

  • Xiaohui Cui

    (Key Laboratory of Aerospace Information Security and Trusted Computing, Ministry of Education, School of Cyber Science and Engineering, Wuhan University, Wuhan 430072, China)

Abstract

After the General Data Protection Regulation (GDPR) was introduced, some organizations and big data companies shared data without conducting any privacy protection and compliance authentication, which endangered user data security, and were punished financially for this reason. This study proposes a blockchain-based GDPR compliance data sharing scheme, aiming to promote compliance with regulations and provide a tool for interaction between users and service providers to achieve data security sharing. The zero-knowledge Succinct Non-Interactive Arguments of Knowledge (zk-SNARK) algorithm is adopted for protecting data and ensure that the user’s private data can satisfy the individual requirements of the service provider without exposing user data. The proposed scheme ensures mutual authentication through the Proof of Authority consensus based on the Committee Endorsement Mechanism (CEM-PoA), and prevents nodes from doing evil using the reputation incentive mechanism. Theoretical analysis and performance comparison indicate that the scheme meets the confidentiality, availability, and other indicators. It has superiority in efficiency and privacy protection compared with other schemes.

Suggested Citation

  • Yangheran Piao & Kai Ye & Xiaohui Cui, 2021. "A Data Sharing Scheme for GDPR-Compliance Based on Consortium Blockchain," Future Internet, MDPI, vol. 13(8), pages 1-17, August.
    • Handle: RePEc:gam:jftint:v:13:y:2021:i:8:p:217-:d:619079
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    References listed on IDEAS

    as
    1. Wang, Yunsen & Kogan, Alexander, 2018. "Designing confidentiality-preserving Blockchain-based transaction processing systems," International Journal of Accounting Information Systems, Elsevier, vol. 30(C), pages 1-18.
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