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Alterable account number

  • US 8,712,889 B2
  • Filed: 01/06/2010
  • Issued: 04/29/2014
  • Est. Priority Date: 05/11/2009
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a consumer device comprising;

    a body; and

    personalized data embedded into a primary account number, associated with the body, wherein the primary account number includes a type-length-value element; and

    a server computer comprising a processor and a computer readable medium, the computer readable medium comprising instructions for;

    receiving an authorization request message that contains the primary account number with the embedded personalized data and the type-length-value element;

    determining, using the type-length-value element, what data is included in the personalized data; and

    comparing the data against at least one security element for authentication;

    wherein the type-length-value element includes a type field wherein the type field is a value denoting a data type.

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