Patent ID: 7783569

Claim:
A system for controlling card-based transactions comprising: a computer system that generates a transaction card account number for performing a card-based transaction, the transaction card account number being associated with one or more cards with different card account numbers that correspond to one or more accounts at one or more issuing banks; a transaction processing system associated with the transaction card account number and operative between a first processing system at a merchant's bank and a second processing system at one or more of the issuing banks, the transaction processing system being adapted to receive the card-based transaction from the merchant bank, and to perform the card-based transaction using one or more of the accounts by executing one or more rules associated with the transaction card account number and stored on a server hosting the first transaction processing system, wherein the one or more rules include a rule limiting usage of the transaction card to only a predetermined period of time; and an interface to the transaction processing system that is accessible by a user for allowing the user to dynamically and selectively modify the one or more rules.