> - across the river, Uruguay just straight up abandoned their own peso and used American dollars instead. Same with Ecuador as I later found. Uruguay is actua

> - across the river, Uruguay just straight up abandoned their own peso and used American dollars instead. Same with Ecuador as I later found. Uruguay is actually extremely clever in that it long ago realized that Argentina just isn't capable of handling a sovereign currency. Having a monetarily unstable neighbour means that millions of Argentines are underserved by national banks, so Uruguay has an entire industry tailored towards financial services for Argentines. You may have also noticed that almost all Argentinians of a certain economy class, have a USD account in Uruguay. The downside is that occasionally, Argentinians do something unexpected, and it can blow up the Uruguayan banking sector: happened in 2002 (https://en.wikipedia.org/wiki/2002_Uruguay_banking_crisis https://en.wikipedia.org/wiki/2002_Uruguay_banking_crisis).