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A comment on 1Password GPU brute-force with 3M hash/s. Parent comment

Re:1Password GPU brute-force with 3M hash/s by aidenn0 on Tuesday April 16, 2013 @07:33PM (#5561627)
Hmm, what's the opportunity cost (in terms of average BTC not mined) for doing 2^48 attempts?
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Re:1Password GPU brute-force with 3M hash/s by shawabawa3 on Wednesday April 17, 2013 @08:23AM (#5564008)
It takes on average 2^54 hashes to discover a block at the current difficulty. So 2^48 attempts is 2^-6 (1.5%) of a block on average. A block is currently worth ~$2000, so 1.5% of that is ~$30
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