Transaction data management system based on blockchain technology and management method thereof

The invention discloses a transaction data management system based on a blockchain technology. The system comprises a client and a transaction platform. The transaction platform is connected with theblockchain node through the node gateway; and the blockchain node comprises an API interface unit and a database. The API node unit provides a connection bridge for a node gateway on a transaction platform. An uplink service of the blockchain is obtained, if an RPC protocol is utilized, an SPA internal standard and an automatic function are called from a blockchain server, so that related execution operation is carried out according to borrower and creditor information data submitted by a user side, and a database is not limited to store past user side data and interactive associated data generated by the user side and a transaction platform. According to the system and the method, the blockchain technology and the distributed storage characteristics of the blockchain are combined with theP2P financial system, so