Privacy-preserving Revocation of Verifiable Credentials with Verifiable Random Functions.
International Conference on Information Networking(2024)
摘要
Self-Sovereign Identity (SSI) has highlighted the benefits and importance of granting users complete control over their identity. Unlike previous solutions, which entrust identity management to third-party applications or services, SSI empowers users to control their personal data. Nonetheless, compromised identities remain a challenge as they must be revoked in order to prevent additional privacy and security issues. However, in several SSI systems, privacy is compromised in favor of efficiency, allowing third parties to gain access to users’ personal data. In this paper, we highlight the shortcomings of existing SSI solutions and propose a system that addresses credential revocation by balancing privacy with efficiency, by leveraging Verifiable Random Functions (VRFs).
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关键词
Self-Sovereign Identity,Proof-of-possession,Privacy,Personal data
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