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In message , ox <an...@ox.co.za> writes
>Famously, during 2004, Bill Gates promised the world that Spam would no
>longer exist by 2006.
he believed that the "Penny Black" scheme would work... he was wrong,
the bad guys have more resources to hand than the good guys and so a
system based on proof-of-work could not be effective
some of us explained this at the time ...
http://www.cl.cam.ac.uk/~rnc1/proofwork2.pdf
- --
richard Richard Clayton
They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety. Benjamin Franklin
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