I've recently been repeatedly asked about the theft of 80,000 BTC from MtGox in early 2011, as initially reported in a 2016  The Daily Beast article , and specifically how it relates to the address  1FeexV6bAHb8ybZjqQMjJrcCrHGW9sb6uF . Rather than address every question individually, I will briefly summarize what's known about this in a blog post. Background For a quick refresher course on the various incidents and thefts from MtGox, see my 2017 presentation on the topic. In short, there were multiple different thefts from MtGox, including but not limited to: The main theft, responsible for over 600,000 BTC gradually stolen throughout 2011–2013, began when the hot wallet was stolen on September 11, 2011. Approximately 2,000 BTC was stolen and the market was crashed after someone gained access to the admin account of original owner Jed McCaleb in June 2011. A side wallet containing 300,000 BTC was stolen from Mark Karpelès' computer in May 2011 (these funds were returned by