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On Fri, Mar 21, 2003 at 12:29:22AM +0200, Arik Schenkler wrote:
> Joris shalom,
> 

Hi Arik :)

BTW no need to reply to both my email address and the mailinglist, I am
subscribed so I get your emails double.

> > > > With Lucre the coin is (x,z). x beeing a random ID, z beeing the
> > > > signature of oneway(x). If the mint knows the 'coincode' (x,z),
> > > > it can track every transaction through the system.
> > > >
> > > > Alice funds the system with $100 and gets coin C1 from the mint.
> > > > ... some time passes...  Bob reissues coin C1 for C2 on the
> > > > mint.
> > >
> > > We at I$ have solved this problem by not asking Bob details. We issue
> > > another C2 for a legite C1.
> >
> > It is just how paranoid you are. The mint knows that C1 and C2 are
> > related. Bob just has to hope that it keeps that info private.
> 
> Sorry?! didn't understand what you mean....

I did mean that the mint can still relate the new coin with the old one
if it wants.

Maybe you can describe the technical working of the I$ system into more
detail? I did look on the website and planetgold interview, but the
working of the one-time codes related to the I$ code isn't clear to me.

Joris Bontje
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