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Re:Wall Street rethinks blockchain projects as euphoria meet... by bunderbunder on Thursday March 29, 2018 @01:06PM (#16708733)
I'm not even sure that mining being expensive is a great defense against a 51% attack.

If things do end up being an oligopoly, then any one of the members of that oligopoly will only have a relatively small sprint between their current position and a 51% attack. And quite a few options for how to attempt such a sprint.

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