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Whereas most technologies tend to automate workers on the periphery doing menial tasks, blockchains automate away the center. Instead of putting the taxi driver out of a job, blockchain puts Uber out of a job and lets the taxi drivers work with the customer directly.
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The Ethereum protocol was not originally designed as a currency. It was designed as a general-purpose blockchain.
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I would rather Ethereum die than see it become something that sacrifices its values.
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Proof of stake is not just a consensus mechanism. It is a way of reducing the environmental cost of a blockchain to near zero.