What if there was only one currency in the whole world?
What if there was only one currency in the whole world?  
Podcast: Marketplace All-in-One
Published On: Thu May 28 2026
Description: We’ve talked a lot about how money works and why countries have their own currencies here on “Million Bazillion.” But listener Alessio wants to know: Why DOESN’T the whole world use the same money? And could the world’s nations all decide to just use one shared currency? In this bonus mini-episode, we’ll get some answers!