Alterable security value

G - Physics – 06 – Q

Patent

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Details

G06Q 20/00 (2012.01)

Patent

CA 2761879

Handling of verification values for portable consumer payment devices is disclosed. A verification value can be generated and associated with a portable payment device. The verification value can serve to supplement the conventional verification value that is printed on the portable payment device in order to provide an additional level of security against fraudulent use. When the portable payment device is used for a qualifying transaction, the generated verification value can be used to verify or authenticate the transaction instead of or in addition to the conventional verification value printed on the portable payment device.

L'invention concerne la manipulation de valeurs de vérification pour des dispositifs portatifs de paiement pour clients. Une valeur de vérification peut être produite et associée à un dispositif portatif de paiement. La valeur de vérification peut servir à compléter la valeur de vérification classique qui est imprimée sur le dispositif portatif de paiement afin de fournir un niveau de sécurité supplémentaire contre une utilisation frauduleuse. Lorsque le dispositif portatif de paiement est utilisé pour une transaction répondant à certains critères, la valeur de vérification produite peut être utilisée pour vérifier ou authentifier la transaction à la place ou en plus de la valeur de vérification classique imprimée sur le dispositif portatif de paiement.

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