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  • each transaction has the carbon emissions of a transatlantic flight

    One single transaction? Is that correct?

  • It's complicated. The power usage doesn't stay constant and it depends on hash rate and other things. I cant find a source for it but...

    Forbes is saying here that the average carbon footprint of a bitcoin transaction is 369.49 kgCO2eq.
    A return from London to New York is quoted at 986kg here. So yes it's within the same ball park definitely.
    I also just came across this claiming that one bitcoin transaction produces the same e-waste as binning two iphones.

    So if you must invest in bitcoin do it through Paypal where it's just a number on your account and you're not in danger of locking yourself out of your wallet. Ethereum is also similarly terrible.

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