QR Easy payment method and system for supporting payment of a plurality of payment companies using only one QR code

摘要

The present invention relates to a simple payment system for supporting payment of a plurality of payment companies by using a single QR code and, more particularly, to a simple payment system for supporting mobile application payment in various ways by a plurality of payment companies without adding an affiliated store hardware infrastructure by providing a single QR code to an affiliated store without providing a plurality of QR codes for all the payment companies and minimizing modification of a user application to support payment of a plurality of payment companies only by adding a connection between a transaction brokerage server and a payment company server.