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. Laurent.
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