[17796] in cryptography@c2.net mail archive
Re: Why Blockbuster looks at your ID.
daemon@ATHENA.MIT.EDU (astiglic@okiok.com)
Mon Jul 11 13:53:36 2005
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
In-Reply-To: <BEF618B6.AC6DF%zenadsl6186@zen.co.uk>
Date: Mon, 11 Jul 2005 11:56:10 -0400 (EDT)
From: astiglic@okiok.com
To: "Peter Fairbrother" <zenadsl6186@zen.co.uk>
Cc: "Perry E. Metzger" <perry@piermont.com>,
cryptography@metzdowd.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.
It's just that the drivers license number is a unique number that acts as
an index to another database (and often used as authentication material as
well), which the merchant has to business knowing.
--Anton
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