Bitcoin consumes 4,000,000,000 W of power to process four transactions per second. A single Raspberry Pi with a database can do an order of magnitude more on 5W. Think about that next time you wonder if it's a good design.
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Lol, ouch *9_9* Got it. I wouldn't say they "obviously don't" in traditional banking. There are many costs much more difficult to tally than the equation above; wages of various employees (CEOs?) electricity for buildings, fuel for transporting cash, etc..
Those are all irrelevant; banks wouldn't let you perform transactions for (much) less than $33 if their marginal cost per transaction weren't much lower. All the overhead is built in. Of course banks also do many other things which Bitcoin doesn't, too, and those have other costs
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You're almost certainly correct there. Still, I do wonder: daily bank expenses ÷ # of transactions :/
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You're probably right. Still, I think it would at least be interesting to
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