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Re: Bug#234743: ITP: hashcash -- a postage payment scheme for email based on hash calculations

Le Wed, Feb 25, 2004 at 11:19:34PM +0100, Peter Palfrader écrivait:
> On Wed, 25 Feb 2004, Hubert Chan wrote:
> > Hashcash is a payment scheme system to certify email messages as being
> > non-spam.  The payment used is CPU cycles.  Preliminary packages are
> > available at http://www.uhoreg.ca/programming/debian.html
> Is there something like hashcash that actually works?
> I mean something that stops Bob with his dozen of Athlon 2Ghz boxen at
> work from DoSing a service while still allowing Alice with her 486 to
> use the service?

I think hashcash is just another anti- spam/flood measure, not the
ultimate one. If it causes spammers to waste CPU it's already a gain.


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