Satoshi Nakamoto's prescient 2009 emails reveal early views on Bitcoin's energy use and potential to disrupt banking
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Satoshi Nakamoto warned in 2009 emails that Bitcoin's proof-of-work system could lead to high energy consumption, though less than traditional banking.
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He foresaw non-financial uses for blockchain, like timestamping documents to prove their existence.
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Satoshi predicted Bitcoin could replace traditional banking for payments, costing an order of magnitude less in fees.
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He was concerned authorities might scrutinize Bitcoin more if labeled as an investment vehicle.
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The recent email release comes as Craig Wright is on trial to determine if he is Satoshi Nakamoto.