Kazakhstan may no longer be the bitcoin sanctuary it once was, according to some big miners who are looking to leave the global crypto hub following internet shutdowns last week that compounded fears about tightening regulation. The government web shutdowns during an explosion of unrest in the country, the world's second-largest centre for mining, caused bitcoin's global computing power to drop around 13per cent as data centres used to produce the cryptocurrency were knocked offline. Alan Dorjiyev of the National Association of Blockchain and Data Center Industry in Kazakhstan, which represents 80per cent of legal ... (full story)