Making p2p accountable without losing privacy
Proceedings of the 2007 ACM workshop on Privacy in electronic society
Robust De-anonymization of Large Sparse Datasets
SP '08 Proceedings of the 2008 IEEE Symposium on Security and Privacy
Reputation Systems for Anonymous Networks
PETS '08 Proceedings of the 8th international symposium on Privacy Enhancing Technologies
Multilateral Secure Cross-Community Reputation Systems for Internet Communities
TrustBus '08 Proceedings of the 5th international conference on Trust, Privacy and Security in Digital Business
An Accumulator Based on Bilinear Maps and Efficient Revocation for Anonymous Credentials
Irvine Proceedings of the 12th International Conference on Practice and Theory in Public Key Cryptography: PKC '09
Randomizable Proofs and Delegatable Anonymous Credentials
CRYPTO '09 Proceedings of the 29th Annual International Cryptology Conference on Advances in Cryptology
Secure distributed key generation for discrete-log based cryptosystems
EUROCRYPT'99 Proceedings of the 17th international conference on Theory and application of cryptographic techniques
Efficient non-interactive proof systems for bilinear groups
EUROCRYPT'08 Proceedings of the theory and applications of cryptographic techniques 27th annual international conference on Advances in cryptology
P-signatures and noninteractive anonymous credentials
TCC'08 Proceedings of the 5th conference on Theory of cryptography
Non-interactive zero-knowledge arguments for voting
ACNS'05 Proceedings of the Third international conference on Applied Cryptography and Network Security
Balancing accountability and privacy using e-cash (extended abstract)
SCN'06 Proceedings of the 5th international conference on Security and Cryptography for Networks
Trust your social network according to satisfaction, reputation and privacy
Proceedings of the Third International Workshop on Reliability, Availability, and Security
DPM'10/SETOP'10 Proceedings of the 5th international Workshop on data privacy management, and 3rd international conference on Autonomous spontaneous security
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Reputation systems have become an increasingly important tool for highlighting quality information and filtering spam within online forums. However, the dependence of a user’s reputation on their history of activities seems to preclude any possibility of anonymity. We show that useful reputation information can, in fact, coexist with strong privacy guarantees. We introduce and formalize a novel cryptographic primitive we call signatures of reputation which supports monotonic measures of reputation in a completely anonymous setting. In our system, a user can express trust in others by voting for them, collect votes to build up her own reputation, and attach a proof of her reputation to any data she publishes, all while maintaining the unlinkability of her actions.