ELECTRONIC COMMERCE SUPPORT METHOD

摘要

The present invention is concerned with an electronic commerce supporting method for reducing a charge-back risk on cyber shops in credit sales in electronic commerce and an electronic commerce method using such an electronic commerce supporting method. The methods are carried out by a system having a goods purchase candidate (6) who connects to a cyber shop (10) via a communications network (4) to purchase goods and selects a credit card payment, a cyber shop (10) which requests the goods purchase candidate (6) to send private data relative to the credit card and transfers the private data added to a credit confirmation message, and an electronic commerce support center (2) which compares the private data added to the credit confirmation message with private data of a true holder of the credit card which is registered in an authentication database (24), generates authentication support data for supporting in determining whether the goods purchase candidate (6) is the true holder or not and sends the authentication support data to the cyber shop (10). <IMAGE>