Comment by system33-

Yes timing attacks.

And yeah mitigation gets you into a huge body of research that’s inconclusive on practical usability. Eg so much overhead that it’s too slow and 10 people can use a 1000 relay network and still get just 1 Mbps goodput each. Contrived example.

People need to actually be able to use the network, and the more people the better for the individual.

There’s minor things tor does, but more should somehow be done. Somehow…