| 摘要 |
The present invention relates to a method for providing an electronic commerce service, the method capable of realizing safe order and payment by using a correlation among service usage histories of a plurality of buyers. The method includes the steps of: receiving service usage history of one service user; searching for other service users having a correlation with the service user who receives the service usage history in service usage or requesting that a server search for whether other service users having a correlation in service usage history with the service user that has received the service usage history exist or not, and receiving a corresponding search result; and adjusting the level of security of service procedure of the service user having a correlation by one or more levels or maintaining the level when the other users having the service use information correlation exist. |
