Why Blockbuster looks at your ID.

[astiglic at okiok.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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