[Asrg] Double-spending of electronic coins

[Gerald Klaas]

On Tue, Dec 2, 2008 at 6:12 AM, John Leslie <john at jlc.net> wrote:

> Bart Schaefer <schaefer at brasslantern.com> wrote:
> >
> > Since this is a research group, here's a pointer to some research done
> > by someone else:
> >
> > http://arxiv.org/abs/0802.0832
>
>   I would further claim that it would be simple enough, in the case
> of ePostage, to have the receiving MTA specify a set of acceptable
> issuing banks and ensure that each of them _could_ be involved at
> the time of the transaction (which happens at SMTP time). This would
> eliminate the double-spending problem between the only two parties
> that must be able to interact without previous arrangement.
>
> And by decentralizing, it mitigates the giant database problem.

Thanks for the link,
Gerald
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