On Wed, 25 Feb 2004, Hubert Chan wrote: > Package: wnpp > Severity: wishlist > > * Package name : hashcash > Version : 0.28 > Upstream Author : Adam Beck > * URL or Web page : http://www.hashcash.org/ > * License : Cypherpunks anti-License > Description : a postage payment scheme for email based on hash > calculations > > 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?
Peter
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