Blinded coins a la digicash
http://www.law.miami.edu/~froomkin/articles/oceanno.htm#xtocid583124
On Mon, 9 Dec 2002 [EMAIL PROTECTED] wrote:
> On Mon, 09 Dec 2002 17:47:58 EST, Edward Lewis said:
>
> > >Does anybody have a reference on an authorization scheme that
> > >doesn't imply any authentication?
> >
> > World readable files.
>
> We know how to do that already ;)
>
> I was thinking more along the lines of a zero-knowledge proof or
> something like that - a scheme where you can prove you're authorized to
> do something(*) without having to prove who you are first.
>
> (*) and explicitly ruling out the 'null check, everybody is allowed' case ;)
>
> /Valdis
>
>
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