https://techcrunch.com/2016/08/02/bitcoin-drops-20-after-70m-worth-of-bitcoin-was-stolen-from-bitfin

Bitfinex, one of the most popular cryptocurrency exchanges online, has suffered a major hack. The company has posted a note on their website detailing the security breach, and while it doesn’t mention a total amount, one of their employees confirmed on Reddit that the total amount stolen was 119,756 bitcoins.