Decentralized Blacklistable Anonymous Credentials with Reputation
Computers & Security(2018)
摘要
Blacklistable anonymous credential systems provide service providers with a way to authenticate users according to their historical behaviors, while guaranteeing that all users can access services in an anonymous and unlinkable manner, thus are potentially useful in practice. Traditionally, to protect services from illegal access, the credential issuer, which completes the registration with users, must be trusted by the service provider. However, in practice, this trust assumption is usually unsatisfied.
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关键词
Anonymous Credential System,Blockchain Technique,Credential Issuer,Blacklist,Ethereum
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