Fine-Grained Accountable Privacy via Unlinkable Policy-Compliant Signatures

ePrint Report: Fine-Grained Accountable Privacy via Unlinkable Policy-Compliant Signatures

Christian Badertscher, Mahdi Sedaghat, Hendrik Waldner

Privacy-preserving payment systems face the difficult task of balancing privacy and accountability: on one hand, users should be able to transact privately and anonymously, on the other hand, no illegal activities should be tolerated. The challenging question of finding the right balance lies at the core of the research on accountable privacy that stipulates the use of cryptographic techniques for policy enforcement, but still allows …

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