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Lot's of good points. I would like to see you edit this down to a small tweet storm and get these talking points out there to counter the FUD.
IMO not only is Bitcoin mining an infinitely more efficient and morally effective way to run an economy, but it has really interesting potentials--I would say inevitabilities--in working hand-in-glove with renewable energy adoption. That's a helluva twofer: financial and energy decentralization!