[GNUnet-developers] Re: amortizable hashcash paper

[Christian Grothoff]

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On Tuesday 06 May 2003 12:30 pm, you wrote:
> This may seem like a silly question, but for the gnunet
> "popularity rating" implimented with the hash thing, will
> users be able to rate entries negatively as well as positively?
> I do hope the answer is "yes".

Well, as far as I can tell, the answer would be "no", because that way, 
malicious peers can not just 'discard' "no" votes (and they are 
computationally bounded in the amount of "yes" votes they can 'forge'). But 
you have an implicit "no": the content that did not get many 'yes' votes. I 
believe that this will be sufficient if we make voting *easy* such that 
people actually do it ...

Christian
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