Musk decries bitcoin's 'insane' energy use after Tesla payment U-turn

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Doubles down on sudden rejection.

Musk decries bitcoin's 'insane' energy use after Tesla payment U-turn
Tesla boss Elon Musk on Thursday denounced the "insane" amount of energy used to produce bitcoin, doubling down on his sudden rejection of the cryptocurrency as a means of payment over environmental concerns. Musk, one of bitcoin's most ardent backers, tweeted a graph of ...

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