What happens when you travel and change money?
Money's Border Crossing
What happens when you travel and change money?
You're standing at a little window in the airport, and the person behind the glass takes your dollars and hands you back a stack of euros. What just happened? Did money turn into different money? Not quite — but something pretty interesting did happen.
Here's the thing: money isn't magic. A dollar bill is just paper with ink on it. What makes it valuable is that everyone in America agrees it's worth something — you can trade it for a sandwich, and the sandwich maker trusts they can trade it for rent. Money is an agreement.
