Re: [GNUnet-developers] update mechanism

[Martin Uecker]

On Mon, Aug 19, 2002 at 11:09:09AM -0500, Christian Grothoff wrote:
> On Monday 19 August 2002 07:05 am, you wrote:

[...]

> How do you prevent the RIAA to massively insert negative ratings (or positive 
> ratings for that matter) and tell other people about it? Google's page-rank 
> and /.'s moderation system can be foiled if you've got enough resources at 
> your expense.

Trust metrics can be made attack resistant (see advogato.org).

> I would not like to have a system where a powerful adversary 
> can make nodes believe that a certain document is spam (worthless) and make 
> the nodes remove it. That would not be very censorship resistant. And while I 
> agree that you may be able to drown a keyword by inserting lots of useless 
> results under the same name, it's harder to do this for 'all' keywords. 

Keyword lookup is basically useless if I have to know that DeCSS
can only be found with the keyword "DeCSS-do-not-censor-me-XYZ".

bye,
Martin