METHODS AND APPARATUSES FOR GENERATING, VERIFYING AND STORING TRANSACTION VOUCHER, DEVICE, AND SYSTEM

• Main Authors: XU, Kefeng, LIANG, Wei, BIAN, Yongchao
• Format: Patent
• Language: Chinese; English; French
• Published: 06.10.2022
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

Provided are methods and apparatuses for generating, verifying and storing a transaction voucher, a device, and a system. The method for generating a transaction voucher comprises: in response to a received transaction request, acquiring chain structure data of digital currency, the chain structure data comprising a first currency string (S101); and generating a transaction voucher corresponding to the denomination of the current transaction on the basis of the chain structure data, the transaction voucher comprising a second currency string and a second sub-chain of the corresponding denomination, and the second sub-chain comprising the current transaction information of the second currency string (S102). On the one hand, a pay warrant is provided for the transaction, so that the transaction is traceable, and the security of the transaction is ensured. On the other hand, the reading and storage efficiency of transaction data can be improved, and the transaction efficiency and the user experience can also be