A System ＆ A Method For Cupon Certification And A Courier Service System Having Authentication

摘要

The present invention relates to a coupon authentication method. A coupon authentication method according to the present invention includes: a coupon information registration step in which a customer card number and coupon information purchased by a customer are transmitted to a coupon authentication server and registered in a coupon database; A total coupon amount for each of all the coupons corresponding to the customer card number registered in the coupon database of the coupon authentication server is calculated and a coupon table is formed using the calculated coupon amount as an authentication key A coupon table forming step of; An authentication request step of requesting the coupon authentication by transmitting the customer card number and the amount of the product purchased with the coupon to the coupon authentication server when the customer purchasing the coupon from the merchant purchases the coupon; The coupon authentication server can detect a coupon amount with an authentication key corresponding to a card number requested for coupon authentication in the coupon table. If there is a coupon number corresponding to the article amount, the coupon amount is authenticated as a valid coupon amount And a coupon authentication step of receiving a coupon.