Ruh-rob: Bitcoin price plummeted 20 per cent last night after a major exchange was hacked August 3, 2016 The value of bitcoin fell sharply last night after a major exchange halted trading, saying it had uncovered a security breach. Bitcoin fell as low as $483.10, after Hong Kong-based Bitfinex said some of its users had had their bitcoins stolen. In a statement it said the theft had been reported to the police. Read [...]