[17755] in cryptography@c2.net mail archive
Re: Why Blockbuster looks at your ID.
daemon@ATHENA.MIT.EDU (Peter Fairbrother)
Sat Jul 9 23:39:54 2005
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Sun, 10 Jul 2005 00:13:42 +0100
From: Peter Fairbrother <zenadsl6186@zen.co.uk>
To: "Perry E. Metzger" <perry@piermont.com>,
Dirk-Willem van Gulik <dirkx@webweaving.org>
Cc: <hadmut@danisch.de>, <cryptography@metzdowd.com>
In-Reply-To: <87eka9fjgl.fsf_-_@snark.piermont.com>
Perry E. Metzger wrote:
> A system in which the credit card was replaced by a small, calculator
> style token with a smartcard style connector could effectively
> eliminate most of the in person and over the net fraud we experience,
> and thus get rid of large costs in the system and get rid of the need
> for every Tom, Dick and Harry to see your drivers license when you
> make a purchase. It would both improve personal privacy and help the
> economy by massively reducing transaction costs.
I agree that it might well reduce costs and fraud - but how will it improve
privacy? Your name is already on the card ... and the issuer will still have
a list of your transactions.
Not having to show ID may save annoyance, but it doesn't significantly
improve privacy.
--
Peter Fairbrother
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