Abstract: A method of operating a service server is disclosed. One embodiment comprises the steps of: receiving, from a payment application server, identification information obtained by a buyer's terminal and dynamic code information created by a request of the buyer's terminal; determining whether or not the obtained identification information is valid; on the basis of the determining result, mapping the obtained identification information to the dynamic code information; and transmitting the mapping information created on the basis of the mapping to the payment application server.
Abstract: A method of operating a service server is disclosed. One embodiment comprises the steps of: receiving, from a payment application server, identification information obtained by a buyer's terminal and dynamic code information created by a request of the buyer's terminal; determining whether or not the obtained identification information is valid; on the basis of the determining result, mapping the obtained identification information to the dynamic code information; and transmitting the mapping information created on the basis of the mapping to the payment application server.