Interesting, if true:
"Bitcoin mining 'is using so much energy that it is causing electricity blackouts' amid fears it will consume more power than the world by 2020"
Bitcoin mining 'is causing electricity blackouts' | Daily Mail Online
"Bitcoin mining 'is using so much energy that it is causing electricity blackouts' amid fears it will consume more power than the world by 2020"
Bitcoin mining 'is causing electricity blackouts' | Daily Mail Online