BLOCKCHAIN-BASED PAYMENT AND SETTLEMENT SERVICE METHOD AND SYSTEM

摘要

The present invention relates to a blockchain-based payment and settlement service system and a method therefor, and the method comprises the steps of: receiving settlement request information transmitted and received between an affiliated store terminal and a settlement means issuance server; verifying the validity of the received settlement request information; generating a blockchain settlement transaction book that comprises the settlement request information of which the validity has been verified, for each affiliated store, and propagating the generated settlement transaction book to at least one book authentication system; storing the settlement transaction book for each affiliated store when at least a prescribed number of pieces of authentication completion information are received from the book authentication system with respect to the propagated settlement transaction book for each affiliated store; and generating purchase request data for each affiliated store on the basis of the settlement transaction book for each affiliated store to request the settlement means issuance server for a requested purchase.