I received a photo from a friend in Lebanon that made me rethink everything about the economy. He was holding a huge bundle of banknotes that looked like play money—more than 50,000 Lebanese pounds—and you know how much it was? About R$ 3.00. That made me realize something: while we complain here about the real falling, there are countries where the currency simply disappears from a practical standpoint.

I got curious and started researching the most devalued currencies in the world. What I found is that it’s no accident. A weak currency always comes from a combination of problems: hyperinflation that devours wages in weeks, chronic political instability, economic sanctions that isolate the country, Central Banks without dollars to defend the currency, and citizens who prefer to stash dollars under the mattress rather than trust the local currency.

The Lebanese pound is practically zero. Officially, it should be 1,507.5 per dollar, but in reality you need more than 90,000. Banks limit withdrawals, stores only accept dollars, and Uber drivers ask for payment in foreign currency. It’s surreal.

Then there’s the Iranian rial, which U.S. sanctions turned into paper. With R$ 100, you become a millionaire in rials, but the joke is bitter. Young Iranians are migrating to Bitcoin and Ethereum because they trust cryptocurrencies more than the national currency. That says it all.

The Vietnamese dong is interesting because Vietnam has a growing economy, but the currency has historically been weak due to monetary policy. You withdraw 1 million dongs and receive a bundle of notes that looks like a bank robbery. Great for tourists, but for Vietnamese people it means expensive imports and limited international purchasing power.

The Laotian kip is in this complicated situation of a small economy, dependence on imports, and constant inflation. At the border with Thailand, merchants prefer to receive Thai baht.

The Indonesian rupiah is curious: Indonesia is the largest economy in Southeast Asia, but the rupiah has never strengthened since 1998. For Brazilian tourists, it’s perfect because Bali is absurdly cheap.

There’s also the Uzbek som reflecting decades of a closed economy, the Guinean franc from a resource-rich country that was destroyed by political corruption, the Paraguayan guarani that remains weak despite relative stability, the Malagasy ariary from Madagascar—which is one of the poorest nations—and the Burundian franc so weak that people literally carry money bags for big purchases.

The pattern is clear: the most devalued currencies in the world reflect political instability, lack of trust, and economic fragility. It’s not just financial curiosity; it’s a mirror of what happens when governance fails.

For anyone who invests, the lesson is clear. Fragile economies offer enormous risks. But there are also opportunities: tourism in destinations with weak currencies becomes financially advantageous. And there’s a practical lesson in macroeconomics in tracking how these currencies collapse and understanding the real effects of inflation, corruption, and instability on people’s lives.

In the end, what does all of this mean? That trust, stability, and good governance are fundamental. And that protecting your money means seeking assets that go beyond borders, far from the volatility of weakened currencies. Seeing how money turns into power—or fragility—around the world is essential for anyone who wants to truly understand the economy.