A system and methods of validating the identity of payment card users and authorizing payment card transactions is provided. The methods of validating the identity of payment card users and authorizing payment card transactions include receiving information from payment card users to identify and validate...http://www.google.ca/patents/US20020035539?utm_source=gb-gplus-sharePatent US20020035539 - System and methods of validating an authorized user of a payment card and authorization of a payment card transaction
System and methods of validating an authorized user of a payment card and ...
