And some of the IOUs were copied and can be again, but I suppose programmable money and sidechains can help fix that.

To play devil's advocate about precious items, those tend to have substitutes, so it will be interesting the psychological effect it has on those who lose it.

And there's almost like a reverse Cantillion effect while the rest of market assumes there's X supply while you (and whoever you tell) know it's X - whatever you lost, meaning that you can get deals on things.