Many proposed payment systems allow the payer to remain anonymous during a transaction. However, this unconditional privacy protection could be misused by criminals, e.g. for blackmailing or money laundering. With a fair payment system, anonymous payments are still possible, but the anonymity can be removed with the help of a trusted party which need not be involved in the transaction itself. In this paper, we present an efficient fair payment system and we discuss its security.
No takes yet. Share an insight, caveat, or question.
Camenisch et al. (1996) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: