Regarding the environmental concerns raised in other threads: Energy production can cause emissions, energy consumption typically does not. We should be producing energy cleanly. There is an argument that more energy consumption causes more energy production, which typically uses dirty sources. Again: we should be producing energy cleanly. We should be consuming as much green, clean, energy as possible. Bitcoin mined…
Yes, there is carbon power use.
Compare the coin to current fiat system energy use, not stand-alone.
Btc is more energy efficient than fiat. Few understand this overall, and judging by the comments, few understand on this site.