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Re:Bitcoin Gold Hit by Double Spend Attack, Exchanges Lose M... by xur17 on Wednesday May 23, 2018 @07:57PM (#17139625)
You can rent hashing power on Nicehash, which currently has ~77MSol/s available for rent. I'm not 100% familiar with how the auction process works, but it looks like I could purchase 26MSol/s via a fixed contract for 1 hour for ~1BTC.

Am I misunderstanding something here, or can I maintain a 51% attack right now for ~$8k an hour. This can't be right.

Re:Bitcoin Gold Hit by Double Spend Attack, Exchanges Lose M... by Uberphallus on Thursday May 24, 2018 @03:39AM (#17141871)
It is risky, but it is right, that's exactly why took a while to happen. A relatively small botnet can overtake many smaller coins in hash power in no time, that's the hypothesis where I'd put the money.
Re:Bitcoin Gold Hit by Double Spend Attack, Exchanges Lose M... by mihaifm on Thursday May 24, 2018 @03:54AM (#17141954)
It should come lower than that...rental price seems to be around 0.5 BTC/MSol/day, so the price for one hour would be 0.5 * 26 / 24 = 0.54 BTC, roughly $4k