On 18/10/15 00:47, [email protected] wrote: > https://lists.torproject.org/pipermail/tor-dev/2015-October/009684.html > > Tor bridges work for hundred of thousands of users from Iran and China > so they are doing something right. Sybil doesn't always win if you > raise costs. Really? Do you have recent figures?
If it works in China right now it's just because of the whim of the censor. If users can find bridges, so can the bad guys - and cheaply, you can get Google Phone Verified Accounts for 10 cents a piece, possibly much less. AFAICS it's impossible to make bridges work against an attacker prepared to spend fairly small amounts of money. Do you have graphs? My understanding was it worked for a while, then it stopped working. Partly it was because of the no-silent-bob 0day the Chinese found in Tor, but harvesting bridges is cheap and I don't see how you could make it much more expensive.
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