From: Jiri Baum <jirib@sweeney.cs.monash.edu.au>
Date: Wed, 25 Oct 95 00:37:58 PDT
Subject: Re: Hack DigiCash: Payee Anonymity
In-Reply-To: <199510240750.IAA04175@utopia.hacktic.nl>
Message-ID: <199510250737.RAA10407@sweeney.cs.monash.edu.au>
MIME-Version: 1.0
Content-Type: text/plain


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Hello cypherpunks@toad.com

...
> I think the most interesting hack to pursue is to eliminate the
> payee-nonanonymity problem.
...
 
> The  <--(blinding)--- payer <--(blinding)--- payee
> Bank --(unblinding)-> payer --(unblinding)-> payee --> payee spends money

The payer would want to check the proto-coins for values which show
through the blinding. Are there any such values?

To guard agains unknown possibilities in this area, the payer might
want to check that the proto-coins are valid (at least).

...
> Privacy for all involved.

How about the bank?

Given that the thing's patented, the bank might conceivably wish
to remain anonymous :-)


Jiri
- --
If you want an answer, please mail to <jirib@cs.monash.edu.au>.
On sweeney, I may delete without reading!
PGP 463A14D5 (but it's at home so it'll take a day or two)
PGP EF0607F9 (but it's at uni so don't rely on it too much)

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