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TRACK DATA ENCRYPTION

  • US 20070294182A1
  • Filed: 06/12/2007
  • Published: 12/20/2007
  • Est. Priority Date: 06/19/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • providing a secondary PAN associated with a primary PAN, wherein the secondary PAN has end portions, and wherein at least one end portion is the same as the primary PAN, and at least the middle portion of the secondary PAN is different than the primary PAN; and

    receiving approval or disapproval for a payment transaction after providing the secondary PAN.

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