Dynamic card validation value

Details Dynamic card validation value Dynamic card validation value

2011-04-12

2011-04-12

Lee, Michael G (Department: 2876)

Registers

Systems controlled by data bearing records

Credit or identification card systems

Reexamination Certificate

active

07922082

ABSTRACT:
As described herein, a card services provider dynamically generates a card verification value (CVV) for a transaction card and sends the dynamically-generated CVV to a cardholder. The card services provider generates the dynamically-generated CVV such that the dynamically-generated CVV is substantially unpredictable based on other dynamically-generated CVVs for the transaction card. The dynamically-generated CVV is only valid for a limited period of time and/or for a limited number of economic transactions. The cardholder uses the dynamically-generated CVV as part of an economic transaction with a merchant. Because the dynamically-generated CVV is only valid for a limited number of economic transactions and/or for a limited period of time, it may be difficult for a thief to repeatedly use the transaction card to make economic transactions.

REFERENCES:
patent: 7427033 (2008-09-01), Roskind
patent: 7740168 (2010-06-01), Hammad
patent: 2005/0171905 (2005-08-01), Wankmueller et al.
patent: 2006/0278698 (2006-12-01), Lovett
patent: 2007/0114274 (2007-05-01), Gibbs et al.
patent: 2007/0250920 (2007-10-01), Lindsay
patent: 2008/0110983 (2008-05-01), Ashfield
patent: WO 2007/149762 (2007-12-01), None

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