Abstract: A points trading service method is provided and includes the steps of (a) collecting information on a customers' trading points total from a member shop and storing the information in a customer database; (b) receiving information on a points trade request from a customer; and (c) trading points with other customers according to the points trade request. According to the method of the present invention, a customer can redeem a small amount of points into cash and exchange the points the user does not want to use for other points. Upon collecting trading points, a customer can also use the cyber money or points at a plurality of member shops. Therefore, when the method according to the present invention is applied, Internet business marketing and cyber money use can be extended and promoted.

Abstract: A system and method for providing information services using a bar code at a wireless terminal, which is capable of receiving a variety of information services including user authentication through a network by receiving a bar code from a wireless terminal over the Internet and reading the transmitted bar code from a bar code system of a member store. The bar code system is constructed such that various services may be offered through a bar code system associated with a bar code issue server using a bar code transmitted to the wireless terminal through the Internet. Accordingly, the information service system and method are provided for various on line business services while not substantially modifying conventional bar code systems. Also, a bar code service can be offered through the wireless terminal, thereby allowing for excellent mobility compared with the conventional bar code system.