News of the South Korean Cryptocurrency exchange Conrail being compromised has lead to a sharp drop in the global price of bitcoin and other virtual currencies.  Conrail has attributed this attack to a 'cyber intrusion' that lead to the loss of about 30% of the coins traded on the exchange.  While the organisation did not quantify the value, a local South Korean news agency, Yonhap, estimated that nearly GBP¡ê27.8m worth of virtual coins was stolen. This attack once again highlights the lack of security and weak regulation of global the cryptocurrency market.?