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A comment on Bitcoin's Enormous Energy Costs May Prove to Be Its Biggest Risk. Parent comment

Re:Bitcoin's Enormous Energy Costs May Prove to Be Its Bigge... by baddox on Thursday November 09, 2017 @06:37PM (#15666705)
It has nothing to do with recording exactly what each person bought. It’s about making sure that you can’t spend the SAME 10 bucks on a shirt AND some weed, and that you can’t pull the 10 bucks back out of the store owners’ accounts after you run off with the products.
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Re:Bitcoin's Enormous Energy Costs May Prove to Be Its Bigge... by rrhd on Thursday November 09, 2017 @06:42PM (#15666728)
which is why I hand them cash.
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Re:Bitcoin's Enormous Energy Costs May Prove to Be Its Bigge... by baddox on Thursday November 09, 2017 @07:12PM (#15666902)
Cash has very obvious advantages and very obvious disadvantages.
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Re:Bitcoin's Enormous Energy Costs May Prove to Be Its Bigge... by PKop on Thursday November 09, 2017 @06:48PM (#15666765)
How much was that shirt 20 years ago?
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