https://www.technologyreview.com/s/610786/bitcoin-is-eating-quebec/A Canadian hydropower operation put out the welcome mat for bitcoin miners. Shortly thereafter, it was overrun.
In 2016, Hydro-Québec announced a formal plan to woo data centers like those run by Microsoft and Amazon. Cryptocurrency miners also came calling, and began submitting proposals in September 2017. Interest from them soon became overwhelming, with more requests than the power company could accommodate. Were Quebec to accept even a fraction of them, the province could well become the new global hub of cryptocurrency mining.
