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A comment on A faster, more efficient cryptocurrency. Parent comment

Re:A faster, more efficient cryptocurrency by eeZah7Ux on Monday February 18, 2019 @06:19PM (#19195389)
> How is using X joules mining bitcoin worse than using it for anything else? Eg. mining gold?

Or powering an MRI machine to detect cancer in a patient. Is it the same ethically?

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