Mining cryptocurrency uses more energy than conventional mining of copper or platinum and at least as much as mining gold finds new research ...
source https://www.google.com/url?rct=j&sa=t&url=http://blogs.discovermagazine.com/d-brief/2018/11/05/mining-cryptocurrency-uses-energy-actual-mining-metals/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNH7QSKJQYaF8s_jVW-_lEC4HxeGbA
