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Anyone have any data on how much waste is associated with Nasdaq, NYSE, credit card transactions, call centers to support credit cards, websites to support credit cards, ads that support credit cards, tv and radio commercials that support credit cards, etc. (for comparison)?

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What do Nasdaq and NYSE have to do with this? Are you proposing using Bitcoin to track ownership of companies?

I think the point being BTC is only one aspect of a financial system which surely uses more energy than BTC alone.

sure!

bitcoin: 0.1% of all electricity, 7 transactions per second

THE ENTIRE REST OF CIVILISATION AND EVERYONE IN IT: 99.9% of electricity, a heck of a lot more than 6,993 tps

you're welcome!

(notice how 0% of coiners who raise this point ever provide a number)

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