[5696] in cryptography@c2.net mail archive
Re: Ecash without a mint
daemon@ATHENA.MIT.EDU (bram)
Mon Sep 20 18:55:09 1999
Date: Mon, 20 Sep 1999 11:41:15 -0700 (PDT)
From: bram <bram@gawth.com>
To: Adam Back <adam@cypherspace.org>
Cc: cypherpunks@cyberpass.net, cryptography@c2.net, dbs@philodox.com
In-Reply-To: <199909201446.PAA15824@server.cypherspace.org>
Message-ID: <Pine.LNX.4.10.9909201139020.13588-100000@ultra.gawth.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
On Mon, 20 Sep 1999, Adam Back wrote:
> - is the ZK proof interactive? If so this would place communication
> restrictions on spending -- payer and payee would need to be
> simultaneously online.
Interactive ZK proofs can be made non-interactive by generating an
encoding of the information offered by the prover, and using the bits of
the secure hash of that as the challenges by the provee.
-Bram
