SYSTEM FOR PROCESSING BALANCE

摘要

PURPOSE: A system for processing balance is provided to record a balance generated in payment using a QR code after buying a product or using a service, thereby accumulating the corresponding a balance by enabling a user to register information in the QR code to a change matching system. CONSTITUTION: A point of sale terminal(200) performs a calculation about a cost paid as a cost of buying a product or using a service. The point of sale terminal checks a balance and generates a bar code for a balance control. The point of sale terminal issues a receipt which is included the bar code generated for a balance control. A point of sale terminal management center(300) receives balance information and authenticity identification information.