Paper money rests on a promise: the currency will hold enough of its buying power that the saver can spend it later at something close to its present worth. When that promise weakens — through heavy printing, rising deficits, or a loss of public trust — the currency can lose ground faster than any bond yield can cover. Weimar Germany is the sharpest case: an ounce of gold priced in marks rose from roughly 170 to over 87 trillion by November 1923. The mark didn't just fall. It ceased to work.

The pattern has repeated in living memory. Zimbabwe’s dollar collapsed in the late 2000s with monthly inflation rates in the billions of percent. Venezuela’s bolívar broke starting around 2016 under falling oil prices, heavy spending, and political disorder. Argentina has run through repeated devaluation cycles across decades. In each case, households that held gold or hard-currency assets kept their buying power while holders of local paper lost most or all of it.

The sensible case for hard assets is about diversification, not doomsday. The exaggerated version treats every paper claim as worthless. Those are not the same argument.

The United States hasn’t seen hyperinflation. The dollar remains the world’s leading reserve currency. But the dollar has lost the large majority of its buying power since the Federal Reserve was founded in 1913, and the loss has come slowly enough that most savers feel it only in hindsight. The question isn’t whether the dollar will follow the mark. The question is whether a household should hold everything in one form of paper.

For the household reader, the honest read is this: productive businesses, sound bonds, and well-built portfolios still matter. Not every inflationary stretch calls for a rush to hard assets. But the record across centuries and across countries shows that a share of the household holding in something that sits outside the paper system — something with no issuer, no counterparty, and no central bank behind it — has kept buying power when paper hasn't. That's the plain lesson of the record.