Try to not be US-centric when thinking about this. There are some very interesting (and often strange) payments systems in use around the world. Really exotic s

Try to not be US-centric when thinking about this. There are some very interesting (and often strange) payments systems in use around the world. Really exotic systems like Bitcoin stand a much better chance of catching on at first in smaller countries, shaking the issues out before they face the complex US and EU government/commercial orgies.