3 ms·Climate groups say a coding change can reduce Bitcoin energy consumption by 99%6 points by MrMan 5y agoMrMan 5y agomaybedeleted 5y ago[deleted]PaulHoule 5y ago"Proof of stake" is not a simple code change. Ethereum has been talking about it for years and it still hasn't happened because it is not simple and it is not even clear it would work.