2024
DOI: 10.3390/app14198581
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Anonymous Access System with Limited Number of Uses in a Trustless Environment

Francesc Garcia-Grau,
Jordi Herrera-Joancomartí,
Aleix Dorca Josa

Abstract: This article proposes a novel method for managing usage counters within an anonymous credential system, addressing the limitation of traditional anonymous credentials in tracking repeated use. The method takes advantage of blockchain technology through Smart Contracts deployed on the Ethereum network to enforce a predetermined maximum number of uses for a given credential. Users retain control over increments by providing zero-knowledge proofs (ZKPs) demonstrating private key possession and agreement on the in… Show more

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