I am from Brazil, I remember that in early 1990s here you was the coolest kid in the school if you showed up with a dollar bill (even a 1 USD one). We had a 20

I am from Brazil, I remember that in early 1990s here you was the coolest kid in the school if you showed up with a dollar bill (even a 1 USD one). We had a 2000% inflation, and one of the government attempts to fix it was currency controls. (the fix in the end, was create a new currency that had fixed 1:1 rate with USD, and leave it 1:1 for some years until the 1998 crisis made it necessary to decouple them).