Martin Stone Davis wrote:
The whole point of NGR is that nodes learn the specializations of other
nodes.
Yes, of course, other nodes should learn about the specialization of
other nodes. But they must not be able to do so without propagating
any data and spending a considerable amount of resources.
What bad thing would a malicious node operator do with that
knowledge?
He could censor a certain document. Assume he has the resources to
lauch a denail of service attack against a limited number of nodes. If he
does not know, which nodes to attack, he will be out of luck.
When the nodes that specialized around the key to be censored are taken
down, it will be pure chance to find the data unless it was already very
popular before.
--
Thomas Leske
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