System and method for revaluation of stored tokens in IC cards
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 29, 1999
Issued Date -
N/A
app pub date -
Apr 18, 1996
filing date -
Jun 2, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A terminal for carrying out at a private location a transaction consisting of alteration of a token value stored in an IC card issued to a cardholder via an on-line transaction session with an operatively compatible terminal at a remote location. The private terminal establishes data links with the IC card and the remote terminal and passes secure authentication and transaction messages between them via these data links, relying on the IC card and the remote terminal for message security.
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