At 4:12 pm -0700 9/5/04, Jeff Silverman wrote:
I recognize that this is a variant on challenge/response, but I missed
most of the discussion of challenge/response and I am not sure I
understand why it is not a good ide
this sounds like a variation of what happens with camram - see
http://www.camram.org/
Camram is using hashcash tokens that can be generated computationally but
the model allows for payments as well. You can include the hashcash token
with the mail so that there is no need to do the C/R part.
f
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