I think this is overly optimistic; as soon as you pull down a rare asset you have leaked information, since a peer that's farming would presumably work down the

I think this is overly optimistic; as soon as you pull down a rare asset you have leaked information, since a peer that's farming would presumably work down the list of assets ranked by some measure of popularity, and would be unlikely to bother collecting obscure content. This sort of system helps against some sorts of snooping, but certainly not nation-state adversaries.