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You think Bitcoin is going to zero? >> Yeah. >> Okay. This is worrying. I think I have
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some Bitcoin. >> You're an economist. You're saying that Bitcoin is going to zero. Why?
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>> Ultimately, because of its reliance on energy. When they told me about Bitcoin,
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I could have bought it for a pound of a Bitcoin, which I would have been a bloody would be wealthier than you if
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I'd done that. The reason I didn't was they explained that the way that the
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public ledger is kept safe, is that it takes too much energy to break it. So each transaction requires 10 minutes of
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computer processing time globally by the looks of it to actually create an extra
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bitcoin and that means it's too expensive for somebody to try to break the ledger. That means it's got a huge
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requirement for energy use and I believe knowing what I know from climate scientists that at some point we're
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going to realize we're using far too much energy on the planet. We've got to
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cut the energy consumption.