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SYSTEM AND METHOD FOR VALIDATION OF TRANSACTIONS

  • US 20090112765A1
  • Filed: 10/29/2007
  • Published: 04/30/2009
  • Est. Priority Date: 10/29/2007
  • Status: Active Grant
First Claim
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1. A system for validating transactions that are conducted against accounts using a presentation instrument, where a customer may be required to provide an authenticating PIN in order to complete a transaction, the system comprising:

  • a memory for storing, in relation to an account, a post-transaction PIN that is separate from the authentication PIN;

    a customer device for receiving a message requesting the customer to enter the post-transaction PIN when a previously conducted transaction has been flagged, the previously conducted transaction having been completed using the authenticating PIN; and

    a processor for receiving the post-transaction PIN entered by the customer and for receiving the post-transaction PIN stored in the database, and for determining if the entered post-transaction PIN matches the stored post-transaction PIN.

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