How to prove yourself: practical solutions to identification and signature problems
Proceedings on Advances in cryptology---CRYPTO '86
Trustee-based tracing extensions to anonymous cash and the making of anonymous change
Proceedings of the sixth annual ACM-SIAM symposium on Discrete algorithms
Fair Electronic Cash Based on a Group Signature Scheme
ICICS '01 Proceedings of the Third International Conference on Information and Communications Security
Digital Payment Systems with Passive Anonymity-Revoking Trustees
ESORICS '96 Proceedings of the 4th European Symposium on Research in Computer Security: Computer Security
Statistical Zero Knowledge Protocols to Prove Modular Polynomial Relations
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
"Indirect Discourse Proof": Achieving Efficient Fair Off-Line E-cash
ASIACRYPT '96 Proceedings of the International Conference on the Theory and Applications of Cryptology and Information Security: Advances in Cryptology
A Statistically-Hiding Integer Commitment Scheme Based on Groups with Hidden Order
ASIACRYPT '02 Proceedings of the 8th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Anonymity Control in E-Cash Systems
FC '97 Proceedings of the First International Conference on Financial Cryptography
A New Offline Privacy Protecting E-cash System with Revokable Anonymity
ISC '02 Proceedings of the 5th International Conference on Information Security
The Decision Diffie-Hellman Problem
ANTS-III Proceedings of the Third International Symposium on Algorithmic Number Theory
EUROCRYPT'95 Proceedings of the 14th annual international conference on Theory and application of cryptographic techniques
Discrete Applied Mathematics - Special issue: Coding and cryptography
Discrete Applied Mathematics - Special issue: Coding and cryptography
ACISP'07 Proceedings of the 12th Australasian conference on Information security and privacy
Complex zero-knowledge proofs of knowledge are easy to use
ProvSec'07 Proceedings of the 1st international conference on Provable security
Electronic cash with anonymous user suspension
ACISP'11 Proceedings of the 16th Australasian conference on Information security and privacy
Constant-size ID-based linkable and revocable-iff-linked ring signature
INDOCRYPT'06 Proceedings of the 7th international conference on Cryptology in India
INDOCRYPT'05 Proceedings of the 6th international conference on Cryptology in India
An improved group signature scheme
TrustBus'05 Proceedings of the Second international conference on Trust, Privacy, and Security in Digital Business
Recoverable and untraceable e-cash
EuroPKI'05 Proceedings of the Second European conference on Public Key Infrastructure
ACNS'06 Proceedings of the 4th international conference on Applied Cryptography and Network Security
Event-oriented k-times revocable-iff-linked group signatures
ACISP'06 Proceedings of the 11th Australasian conference on Information Security and Privacy
Compact e-cash from bounded accumulator
CT-RSA'07 Proceedings of the 7th Cryptographers' track at the RSA conference on Topics in Cryptology
An inter-bank E-payment protocol based on quantum proxy blind signature
Quantum Information Processing
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A fair electronic cash system is a system that allows customers to make payments anonymously. Moreover, under certain circumstances, a trusted authority can revoke the anonymity of suspicious transactions. Various fair e-cash systems using group signature schemes have been proposed [4,15,16,18]. Unfortunately, they do not realize coin tracing [4,15,18] (the possibility to trace the coins withdrawn by a customer). In this paper, we describe several failures in the solution of [16] and we present a secure and efficient fair e-cash system based on a group signature scheme. Our system ensures traceability of double-spenders, supports coin tracing and provides coins that are unforgeable and anonymous under standard assumptions.