3 sats \ 1 reply \ @arcanox 14 Jan 2023 \ on: How Did the FBI Get a Tor User's IP Address? bitcoin
The only thing that springs to mind is a Sybil attack, which is a major vulnerability of Tor. Basically, if your message is encrypted by 3 separate computers (relays), then feds could simply pose as independent relays themselves. By relaying your message between each other, they could effectively deanonymize you.
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10 sats \ 0 replies \ @l0k18 15 Jan 2023
This is a very expensive attack, it would require 3000 routers to be set up to get a 1/3 chance of catching timing data. Some believe this is how they got Silk road. The tiny number of nodes compared to users makes it a lot cheaper than it could be if there was any incentive to run relays.
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