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A comment on Many Bitcoin Miners Are at Risk of Turning Unprofitable. Parent comment

Re:Many Bitcoin Miners Are at Risk of Turning Unprofitable by Klathmon on Wednesday April 18, 2018 @09:58AM (#16867415)
Just because the challenge is arbitrary doesn't mean the effort is wasted.

By that logic all of human sports and entertainment is completely wasted effort/power.

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Re:Many Bitcoin Miners Are at Risk of Turning Unprofitable by lokedhs on Wednesday April 18, 2018 @11:43PM (#16873170)
It is. But the difference is that people's jogging runs and workout sessions don't typically create CO emissions on the scale of entire countries.
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