The Proof Of Work incentive structure forces miners to always use the cheapest available source of electricity. Some of the most profitable mining farms are tho

The Proof Of Work incentive structure forces miners to always use the cheapest available source of electricity. Some of the most profitable mining farms are those using renewable energy sources like solar or hydro power. It will organically not be profitable enough to mine PoW coins on anything but renewables soon, but it would be reasonable for countries to accelerate this by banning mining on anything but renewables. Bitcoin will lower energy cost the same way porn lowered bandwidth costs. Sometimes humans need to create economic forcing functions for ourselves. https://cointelegraph.com/news/this-earth-day-analysts-say-bitcoin-mining-is-naturally-gravitating-to-green-energy https://cointelegraph.com/news/this-earth-day-analysts-say-b...