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Re:Cambridge Bitcoin Electricity Consumption Index by dumbfounder on Wednesday February 10, 2021 @10:32AM (#26090473)
from @umanwizard:

>The market could solve this problem properly if there were a global carbon tax, but unfortunately, there isn't.

"Solve it"? How so? Crypto mining is largely powered by renewables (40% according to one source in Sep 2020). It is a race to find the most energy efficient way create power to make it worthwhile to mine, which has some positive effect on society by driving innovation. No idea if that is a net positive, but this is not black and white issue at all the way many here are framing it.

Re:Cambridge Bitcoin Electricity Consumption Index by acdha on Wednesday February 10, 2021 @10:50AM (#26090756)
> Crypto mining is largely powered by renewables (40% according to one source in Sep 2020).

That’s one source and less than half does not mean “largely” in standard English usage. More importantly, almost nobody uses Bitcoin so a key question would be how that’d change if usage could be scaled up to, say, even 0.1% of daily transactions.

Re:Cambridge Bitcoin Electricity Consumption Index by UncleMeat on Wednesday February 10, 2021 @11:47AM (#26091528)
For bitcoin to use an equivalent amount of carbon as visa per transaction, it'd need to be 99.9999% powered by renewables and visa would need to be 100% powered by fossil fuels.