摘要 |
The present invention relates to payment processing system, device, and method. More particularly, the present invention relates to payment processing system, device, and method to prevent various information of a user from being exposed to the outside. The payment processing system, device, and method according to an embodiment of the present invention include a wireless terminal; and a service server. According to an embodiment of the present invention, the wireless terminal transmits a certification key received from the service server to the service server by a message oriented (MO) method. According to an embodiment of the present invention, the service server receives a phone number and stores the same when an app is installed on at least one wireless terminal. |