| 摘要 |
Instead of a PIN which is associated with an account and provides access to an account, a dynamically generated card identifier (dynamic CID) is used to verify that the consumer currently possesses the transaction card at the time of purchase and/or is the true card owner. At the time of purchase, a token generates a dynamic CID, which changes with each transaction. A consumer enters the dynamic CID into a pre-existing CID field in an electronic order form. The merchant then sends the dynamic CID to a card authorization system within an authorization request. The card authorization system issues a response to a merchant system via a pre-existing authorization message indicating that the transaction card and dynamic CID have been validated, thereby adjusting the fraud risk associated with the transaction. |
