SYSTEM AND METHOD FOR VERIFYING ONLINE DEAL

摘要

PURPOSE: An online transaction verification method and system are provided to confirm an abnormal transaction and to selectively approve a payment, thereby protecting rights of a normal subscriber. CONSTITUTION: A transmitting/receiving unit of an online market server receives a post payment request for a specific product from a buyer terminal(S401). When monthly total payment amount of a buyer exceeds monthly payment limit, a payment verification unit transmits payment disapproval information to a payment processing unit(S405). The payment processing unit refuses a product payment(S413). [Reference numerals] (AA) Start; (BB) End; (S401) Receive a product payment request; (S403) Obtain a credit grade; (S405) Exceed a payment limit?; (S407) Check a terminal IP and a product identification code; (S409) Same product is repetitively paid while exceeding a threshold?; (S411) Approve payment; (S413) Refuse the payment