METHOD FOR PROVIDING PURCHASE KEY

摘要

PURPOSE: A purchase key providing method is provided to enable a user to purchase product in an offline store by requesting a group purchase in a web site. CONSTITUTION: When a client(140) requests a group purchase by contacting to a group purchase web server(115), the group purchase web server creates one or more information among the group purchase information for a product. The group purchase web server transmits the created group purchase information to a group purchase key providing server(105). The group purchase web server stores the information for the group purchase key in a group purchase database(120).