Method and device for generating a single-use financial account number

  • US 7,844,550 B2
  • Filed: 01/24/2006
  • Issued: 11/30/2010
  • Est. Priority Date: 08/28/1997
  • Status: Expired due to Fees
First Claim
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1. A method for generating a single-use financial account identifier, the method comprising:

  • determining a first data element, specific to an account holder associated with an account number;

    determining a second data element, specific to an account issuer;

    generating a single-use financial account identifier for authorizing a purchase, the single-use financial account identifier having the same number of digits as the account number;

    receiving, from a merchant by a central processor, the single-use financial account identifier having the same number of digits as the account number;

    determining, by the central processor, that the single-use financial account identifier having the same number of digits as the account number is valid; and

    identifying, by the central processor, the account number associated with the account holder based on the single-use financial account identifier having the same number of digits as the account number.

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