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Method and apparatus for verifying the legitimacy of a financial instrument

  • US 8,131,617 B2
  • Filed: 07/30/2009
  • Issued: 03/06/2012
  • Est. Priority Date: 09/07/2005
  • Status: Active Grant
First Claim
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1. A method of verifying legitimacy of a financial instrument in connection with a business transaction comprising:

  • accepting information about a financial account associated with the financial instrument from a shopper associated with the financial account;

    sending via a computer system a communication to a financial institution that provided the financial account regarding a payment;

    relaying identifier information in a data field of the communication;

    requiring the shopper to obtain the identifier information from the institution and derive verification information from the identifier information;

    confirming that the shopper knows the verification information; and

    continuing with the business transaction if the verification information correctly corresponds to the identifier information, wherein the identifier information is an equation and the verification information is an answer to the equation.

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