On 31/03/14 19:09, Arne Babenhauserheide wrote: > Am Samstag, 29. März 2014, 18:21:46 schrieb Matthew Toseland: >> Depends on what sort of Sybil attack you mean. The simplest Sybil attack >> on the current network is to connect to everyone and log every request. >> That only requires a hundred or so nodes, with only minor modifications. > Could you explain why that works? I thought that a node only sends requests > to the node whose location is closest to the requested content. > > What am I missing? Large files are divided into thousands of blocks. The blocks' locations are effectively random. Therefore you're bound to receive some requests - even if you don't play games with your location and/or friend-of-a-friend locations. And the more you receive from a node the more likely it is to be the originator. And you can add more connections to that node to confirm your guess ... :(
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