SERVICE PROVIDING DEVICE, POS TERMINAL, ELECTRONIC WALLET SYSTEM COMPRISING THE SAME, CONTROL METHOD THEREOF AND COMPUTER READABLE MEDIUM HAVING COMPUTER PROGRAM RECORDED THEREFOR

摘要

In the present invention, disclosed are a service providing device, a POS terminal, an electronic wallet system comprising the same, a control method thereof, and a recording medium recorded with a computer program. Hence, the present invention automatically search an optimized payment-related card which can be used in an affiliated store, among payment-related cards registered in a user device when tagging a tag in an affiliated store, and can promote usage convenience by providing a user of the user device with the optimized payment-related card which can be used in an affiliated store with only a simple tagging operation through service of a specific application such as an electronic wallet application by performing payment via the searched payment-related card. The service providing device according to an embodiment of the present invention comprises: a communications unit receiving coupon information; and a control unit determining whether coupon use is processed.