New common currency

You've said a lot that I though was irritating and stupid.

But this is fucking retarded.

any international standard must

Be predicated on scarcity dictated by physics.

Use silver, use gold, use fucking uranium. The principle is the same; an element that exists in a known ratio in the universe due to the mechanics of stellar nucleosynthesis. All that really matters is that we have a pretty good idea of how much there is, and we can't magically create a whole lot more instantly. That is how we're able to evaluate relative value.