It's just basic economics as renewables are the most profitable. Most of mining happens in China because the regime has overinvested in hydroelectricity and the

It's just basic economics as renewables are the most profitable. Most of mining happens in China because the regime has overinvested in hydroelectricity and there's lots of unused capacity available. There's one study I found (not quite recent though): https://www.cryptoglobe.com/latest/2019/06/74-of-bitcoin-mining-is-powered-by-renewable-energy/ https://www.cryptoglobe.com/latest/2019/06/74-of-bitcoin-min...