There is also possibility of the senders browser computing the token.
See:
http://www.lapo.it/HashCash.html
That doesn't work in my browser. Downloading the .jar makes it work
locally, but about 10x slower than native (on my PowerBook G4).
--------------------------------------------------------------
from: Jonathan "Chromatix" Morton
mail: chromi(_at_)chromatix(_dot_)demon(_dot_)co(_dot_)uk
website: http://www.chromatix.uklinux.net/
tagline: The key to knowledge is not to rely on people to teach you it.
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