Optimistic protocols for fair exchange
Proceedings of the 4th ACM conference on Computer and communications security
Some Remarks on a Fair Exchange Protocol
PKC '00 Proceedings of the Third International Workshop on Practice and Theory in Public Key Cryptography: Public Key Cryptography
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Fair-Play protocol enables the fairness between two parties on any continuous sequence transaction, which leads to a final decision, or game activities, such as chess competition or video conferencing augmentation. In order to avoid disputes and achieve fairness, the steps of the game should be traceable (i.e. provable that the current step is originated from the first step of the game) and public verifiable and audible. Therefore, the goal of Fair-Play protocol is to achieve fairness, tractability of the process from the beginning step until the final decision, and provability of success.