[hashcash] Re: hashcash v1 questions

  • From: "Eric S. Johansson" <esj@xxxxxxxxxx>
  • To: hashcash@xxxxxxxxxxxxx
  • Date: Tue, 01 Jun 2004 10:40:33 -0400

Adam Back wrote:

But how would the interop story work?  Say you are someone who sends
PGP signatures, I think CAMRAM requires some form of introduction to
get you white listed (by signature key).  The introduction choices are
hashcash, reverse-turing, email challenge-response I think.

the mechanisms for getting on the white list are hashcash, browser stamp generation, approval from Spam trap.


---eric


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