Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
SAC '99 Proceedings of the 6th Annual International Workshop on Selected Areas in Cryptography
Security of Blind Digital Signatures (Extended Abstract)
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
Efficient Group Signature Schemes for Large Groups (Extended Abstract)
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
Unlinkable Serial Transactions
FC '97 Proceedings of the First International Conference on Financial Cryptography
Group Blind Digital Signatures: A Scalable Solution to Electronic Cash
FC '98 Proceedings of the Second International Conference on Financial Cryptography
Anonymous Connections and Onion Routing
SP '97 Proceedings of the 1997 IEEE Symposium on Security and Privacy
Tor: the second-generation onion router
SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
Privacy and e-commerce: a consumer-centric perspective
Electronic Commerce Research
PAR: Payment for Anonymous Routing
PETS '08 Proceedings of the 8th international symposium on Privacy Enhancing Technologies
A signature scheme with efficient protocols
SCN'02 Proceedings of the 3rd international conference on Security in communication networks
Efficient blind and partially blind signatures without random oracles
TCC'06 Proceedings of the Third conference on Theory of Cryptography
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Delivery of products bought online can violate consumers' privacy, although not in a straightforward way. In particular, delivery companies that have contracted with a website know the company selling the product, as well as the name and address of the online customer. To make matters worse, if the same delivery company has contracted with many websites, aggregated information per address may be used to profile customers' transaction activities. In this paper, we present a fair delivery service system with guaranteed customer anonymity and merchant-customer unlinkability, with reasonable assumptions about the threat model.