Elon Is Wrong About Bitcoin. Crypto Miners Are Key to Renewables' Success

everything is up where is the value

And just like that, Elon Musk has turned on Bitcoin.

In a tweet on Wednesday, the self-proclaimed “Technoking of Tesla” said his company—which announced in February that it bought $1.5 billion in Bitcoin—would be suspending vehicle purchases using the cryptocurrency. Musk cited crypto miners’ “increasing” use of fossil fuels, particularly coal, “which has the worst emissions of any fuel.”

The price of Bitcoin responded by dipping below $50,000, ending the day down more than 12%, its worst trading session since January.

I don’t question Elon Musk’s good intentions, but I respectfully disagree with the underlying insinuation that crypto miners in particular are a threat to the climate. It’s just not true, for reasons I explain below.

Don’t get me wrong: The computer processing power needed to mine Bitcoin, Ether and other digital tokens is not insignificant. The University of Cambridge’s Bitcoin Electricity Consumption Index (CBEI) estimates that the global Bitcoin network, running at full capacity, uses about 147.8 terawatt hours (TWh) on an annualized basis, or almost as much as Sweden consumes every year.

That’s a big number, but it doesn’t take into account the percentage of Bitcoin mining that uses renewable energy. In a December 2019 report, CoinShares believed it to be 73%. Last month, ARK Invest’s Yassine Elmandjra said it was closer to 76%.

I wish Musk had included these figures in his very one-sided comment. He also failed to point out that a vast majority of the world’s Bitcoin mining is done in China. North American Bitcoin enthusiasts shouldn’t be penalized for how cryptos are generated in other countries.


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