I just couldn't understand it all, how could a CEO decide to sell his startup without any plan for the interim period, at least let the production can continue in that time and several months afterwards?
According to: https://pubs.usgs.gov/of/2011/1253/report/OF11-1253.pdf, the approximate energy consumption for mining gold in South Africa was already 26 TWh * 65% = 16.9 TWh in 2005. Bitcoin still has its future ahead :/