Improved Fair Exchange Protocol Based on Signcryption-Based Concurrent Signature

Provided by: Academy Publisher
Topic: Security
Format: PDF
Fair exchange protocols are mainly used to ensure the security and fairness of online transactions and they are very important. A good fair exchange protocol can make both parties exchange information in a fair way, i.e., after the completion of exchange, either each party gets the other's information or neither party does. Early fair exchange protocols are usually gradual exchange protocols, and they always take both parties many steps to finish the exchange and are very inefficient.

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