Home » BBC News - Technology » technology news » Former MtGox Bitcoin exchange boss pleads not guilty Former MtGox Bitcoin exchange boss pleads not guilty Unknown 5:29 AM BBC News - Technology technology news Mark Karpeles was head of the world's largest Bitcoin exchange MtGox when it filed for bankruptcy in 2014. from BBC News - Technology http://ift.tt/2t9MaOc Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati