Patent ID: 8712892
Filing Date: 2014-04-29
Classification: G06K,G06Q

Abstract:
1. A method of providing a portable consumer device, the method comprising: receiving, by a processor, a supplemental verification value associated with an offline processing system; storing the supplemental verification value and an issuer verification value in the portable consumer device, such that data from the portable consumer device concerning a transaction can be received at a reader, wherein the issuer verification value is associated with an issuer, and wherein the supplemental verification value can be verified using an offline processing system that is not in communication with the issuer such that the supplemental verification value can be processed at the reader and the transaction can be authorized if the processed supplemental verification value indicates that the portable consumer device is authenticated; wherein the received supplemental verification value comprises data created in accordance with a cryptography system; and wherein the supplemental verification value is dynamically changed on the portable consumer device after issuance of the portable consumer device.