| 摘要 |
The present invention relates to a server and a method for accumulating change, and provides a barcode and the server for converting simply change remaining after a user pays price of goods into a point and saving the point so that the user can pay or donate the price of the goods. The server comprises: a user authentication unit (210) for authenticating the user by using a barcode (5) assigned to the user; a point conversion unit (220) for converting money corresponding to the change into the point; and an account (230) for receiving information concerning the converted point and saving the point. |
