Is Chaum's System Traceable or Untraceable?

[Ian Goldberg]

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In article <01I53GAYSQUC8Y4Z90 at mbcl.rutgers.edu>,
E. ALLEN SMITH <EALLENSMITH at ocelot.Rutgers.EDU> wrote:
>From:      IN%"iang at cs.berkeley.edu" 23-MAY-1996 13:56:31.71
>
>>Ah.  I see I was misunderstood.  The goal was not to make the shop anonym=
ous,
>>but rather to be able to provide change to an anonymous payer.
>
>      I had thought that the basic purpose of the fully anon system was just
>that - full anonymnity for payer and payee. Under your suggestion, the shop
>gives up this anonymnity under these circumstances in order to be able to =
make
>change. I'm not sure if I would call that a very good tradeoff...
>      -Allen


Yes, that's the _basic_ purpose, but the "anon" protocol has several
useful "secondary" properties as well.  This (providing change to an
anonymous payer) is one of them.

   - Ian

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