A blockchain-based joint membership authentication method, device and system
By leveraging blockchain and zero-knowledge proof technologies, the problems of ambiguous privacy permissions and inflexible rights allocation in the joint membership scheme have been solved. This enables users to choose their rights and privacy protection independently, and supports decentralized institutional cooperation and public auditing.
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUAZHONG UNIV OF SCI & TECH
- Filing Date
- 2023-11-28
- Publication Date
- 2026-07-03
AI Technical Summary
Existing joint membership programs lack protection for user privacy, have vague privacy permissions, inflexible rights allocation, and limited user autonomy, resulting in high complexity of identity management and high risk of privacy leaks. Furthermore, users pay extra for rights they do not need.
Employing blockchain-based zero-knowledge proof technology, membership identities are generated by a joint committee and broadcast to the blockchain. Users use zero-knowledge proof technology to generate proofs that meet their qualifications. The joint committee reviews and stores the attribute qualifications, and verifiers review user qualifications through membership identities and blockchain proofs, thus achieving privacy protection and flexible access to rights.
While protecting user privacy, users can independently choose to obtain the joint membership benefits they need, avoid unnecessary payment for benefits, achieve lightweight identity management and decentralized institutional cooperation, meet privacy compliance requirements, and support public auditing.
Smart Images

Figure CN117763602B_ABST