Article's (big) mistake is to lump all energy sources together when comparing Bitcoin energy use. Firstly, Bitcoin is using electricity, Bitcoin competes for e

Article's (big) mistake is to lump all energy sources together when comparing Bitcoin energy use. Firstly, Bitcoin is using electricity, Bitcoin competes for energy in electric power market only. Secondly, Bitcoin energy use would be better compared to total electric power produced from fossil fuels alone. This is because there's no such thing as green Bitcoin until green energy that Bitcoin is using cannot be used for other purposes.