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I wonder if the people who currently say "Bitcoin should be banned because of its pointless CO2 emissions" will say the same about Visa once Ethereum overtakes

I wonder if the people who currently say "Bitcoin should be banned because of its pointless CO2 emissions" will say the same about Visa once Ethereum overtakes it in efficiency. I won't hold my breath while I wait for that to happen though.

wmf 5y ago
Sure, why not. Presumably all the features of Visa can be implemented in smart contracts.