METHOD FOR MANAGING A TRASCATION LEDGER OF FINALCIAL INSTITUTION BY MAINTAINING A BACKUP LEDGER WITHIN A BLOCKCHAIN NETWORK

摘要

A method for managing a transaction book performed by a financial institution server is provided. The method of the present disclosure comprises: receiving transaction information between users, recording the received transaction information in the transaction book, and requesting at least a portion of the transaction information to be included in a blockchain transaction and delivered to a blockchain network Step-The at least a portion of the transaction information includes at least one of a sender, a receiver, a transaction amount, and a transaction date and time, and the blockchain transaction is a side information of the transaction information as additional information of the blockchain transaction. It includes at least a portion, associated with a unique transaction ID-receiving the blockchain transaction ID, and storing the received blockchain transaction ID by adding it to the record of the transaction information on the transaction book It includes.