A system, method and program product for account transaction validation which may be downloaded or otherwise installed on a networked computing device such as a cell phone or other networked computing device. The networked computing device provides an encrypted validation code to a merchant for each transaction. The validation code is uniquely computed for each transaction and may be based on transaction time and/or other transaction data. The code algorithm is unique for each cardholder. Only the bank transaction center has knowledge of the particular algorithm for each cardholder. When transaction details such as transaction dollar amount are included in the generation of the code, the code may be used to validate the reported transaction dollar amount. An algorithm is disclosed for generating a unique code based on time and/or transaction dollar amount.
RELATED APPLICATIONS
This application is a continuation in part of U.S. patent application Ser. No. 11/445,553, Titled "System, Method and Program Product For Credit Card Transaction Validation," filed Jun. 2, 2006 by Robert Lovett, which claims the benefit under 35 U.S.C 119(e) of US Provisional Application 60/689,576, filed Jun. 13, 2005 by Robert Lovett, all of which are incorporated herein by reference in their entirety.
