In order to solve the mutual trust problem of mileage points settlement of airline alliance companies,the mileage points settlement method based on cnsortium bockchain is studied.A mileage settlement method based on homomorphic encryption of smart contracts was proposed,which homomorphically encrypted mileage values and achieved confidential storage of transaction information on-chain.By comparing self-certified mileage settlement data and homomorphic calculation result data through smart contracts,it identified whether the affiliate company released false settlement results,and solved the mileage settlement credibility problem.The method was simulated and tested in the super ledger.The results show that the on-chain settlement data is complete and accurately identifies the companies that issue false settlement results,and the proposed method has better performance and higher safety.
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