Methods and associated structure for verifying the identity of a consumer in a financial card transaction. The method provides for issuing at least one authorization request through standard card transaction networks and protocols. The amount of each transaction and/or the number of transactions is preferably...http://www.google.co.uk/patents/US20050097049?utm_source=gb-gplus-sharePatent US20050097049 - Methods for verifying cardholder authenticity and for creating billing address database
