There was quite a good explanation posted to HN 5 days ago: http://cryto.net/~jo...

		jamessb on Feb 15, 2014 \| parent \| context \| favorite \| on: The Bitcoin malleability attack graphed hour by ho... There was quite a good explanation posted to HN 5 days ago: http://cryto.net/~joepie91/blog/2014/02/10/why-mtgox-is-full... (discussion: https://news.ycombinator.com/item?id=7211286)