[hashcash] Re: stamp collisions

>>>>> "Hubert" == Hubert Chan <hubert@xxxxxxxxx> writes:

[...]

Hubert> I think a sender= extension is a good idea anyways, to prevent
Hubert> someone from ripping off my stamp from a mailing list archive
Hubert> and using it to spam someone.  (If a spammer rips off stamps
Hubert> from an obscure mailing list, they can be pretty sure that it
Hubert> won't be in most people's double-spend database.  It's still a
Hubert> limited number of stamps that they have access to, but it's an
Hubert> easy way to get some free stamps.)

*sigh* The recipient is in the stamp.  I'm an idiot.

I think I woke up too early today.  Or my brain is refusing to work
because I'm *supposed* to be on vacation.

-- 
Hubert Chan <hubert@xxxxxxxxx> - http://www.uhoreg.ca/
PGP/GnuPG key: 1024D/124B61FA
Fingerprint: 96C5 012F 5F74 A5F7 1FF7  5291 AF29 C719 124B 61FA
Key available at wwwkeys.pgp.net.   Encrypted e-mail preferred.

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