MT.GOX

MT.GOX Launcedh in 2010 was once the most popular cryptoexchange, located in Tokyo Japan. Holding over 70% of all BTC at one point. Founded by Mark Karpeles, who later was found guilty of tampering with financial records. The Exchange was hacked several times and ultimately declared bankruptcy. It closed down in 2014. It is the largest and most famous of all hacks, mainly due to the incompetence of Karpeles and those running it. It even has a term used to describe when somebody has had their crypto stolen or hacked. “You been GOX’D!”