Bitcoin exchange Bitfinex of Hong Kong lost 119,756 bitcoins after its platform was hacked. The company’s losses amounted to approximately $69 million, according to exchange rates on Aug. 4. Bitcoin market rate dropped 20 percent following the announcement, although it has since bounced back to about $580. The loss is the second largest behind Mt. Gox, the Tokyo-based bitcoin marketplace that collapsed in February 2014. Bitcoin is a virtual currency that is exchanged using peer-to-peer software.”]
Source: https://www.cuinfosecurity.com/bitcoin-hack-highlights-cryptocurrency-challenges-a-9305