Verification of a portable consumer device in an offline environment
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United States of America Patent
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Feb 26, 2013
Grant Date -
Aug 28, 2008
app pub date -
Feb 28, 2007
filing date -
Feb 28, 2007
priority date (Note) -
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Abstract
A portable consumer device includes a base, and a computer readable medium on the base. The computer readable medium comprises code for an issuer verification value and a supplemental verification value. The issuer verification value is used by an issuer to verify that the portable consumer device is authentic in an on-line transaction and the supplemental verification value is used to verify that the portable consumer device is authentic in an off-line transaction.
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