Obligatory copypasta. In 1989, A Japanese Professor who teaches in the University of Tokyo named, Rantaro Futanari, found a loophole in the Japanese Economy. Prof. Futanari found a way to legally counterfeit money without any repercussions. Prof. Futanari still does this and is a well known billionaire. Want to found out how he does it? Just search for, "Futanari Inflation" in Google Images.