[43402] in Cypherpunks
Re: credit card conventional wisdom
daemon@ATHENA.MIT.EDU (Rich Salz)
Tue Nov 14 21:52:44 1995
From: Rich Salz <rsalz@osf.org>
Date: Tue, 14 Nov 1995 21:43:41 -0500
To: hallam@w3.org
Cc: cypherpunks@toad.com
>There is in fact a distinction between "card present" and "card not present"
>transactions. AMEX cards for example have an extra group of four digits which
>are not part of the embossed card number. They are used as additional
>verification to prove that a card is present.
So the run-it-through-the-mechanical-device is treated as card not present?
/r$
