Energy efficient cryptocurrency still emits as much carbon as 2-3 coal plants

I own some cryptocurrency—a decision which began mostly out of necessity, until I saw how much it ballooned, and then I decided that I'll keep this around and see what happens. But as cool as it's been to see the value of my minuscule investment blossom and boom, I've also been well aware that Bitcoin transaction processing requires about 91 terawatts of energy each year. — Read the rest

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