Extracting a dollar's worth of cryptocurrency requires up to three times more energy than digging up a dollar's worth of gold, according to a new ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.rt.com/news/443194-crypto-mining-energy-consumption/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFNeupv0ZKCyd2i3gPwZdhrems40Q
