Let every country keep its own fiat currency. As long as no fiat currency has reserve status, no country can afford to run a printing press.
When the dollar devalues by 80% sometime this year, the world will learn a useful lesson about the limits of fiat. They will continue to use it: they may however learn not to abuse it. And people who own Gold and Silver will get to buy some serious real-estate.
Because gold is a real asset and real estate isn't?
Devalues with respect to what, the Euro?
80%!