Back to the Future!

The Historical Echo

From 1863 through 1920, America's National Banking Era was defined by a fragmented system of privately issued banknotes, essentially IOUs backed by bonds deposited with the Comptroller. These notes circulated as money, but their value depended entirely on the public's confidence in the issuing bank. When that confidence shattered, banking panics erupted with alarming frequency. Depositors would rush to convert their paper IOUs into gold or silver, and banks. caught holding illiquid assets, would collapse.

The parallels to today's stablecoin ecosystem are striking. A banknote was a private liability, just as a stablecoin is an issuer's liability matched by reserve assets. Both are promises: "redeemable on demand for one dollar." Both rely on transparency and trust to maintain par value. And both are vulnerable to the same ancient fear, that the issuer might not have enough liquid reserves to honor all redemptions at once.

2026: The Year of the Digital IOU

By mid-2026, the stablecoin market has surpassed $296 billion in total capitalization, with over 98% pegged to the US dollar. The GENIUS Act, passed in July 2025, established the first comprehensive federal framework for stablecoin issuance, while new entrants like Tether's USAT have launched. Major financial institutions are building stablecoin settlement into mainstream payment rails. Some analysts now call 2026 a "stablecoin season," as investors prioritize stability and utility over speculative gains.

But beneath the growth lies a structural fragility that bankers and regulators increasingly recognize. JPMorgan's CFO has warned that yield-paying stablecoins risk creating a "shadow banking system" outside centuries-old prudential safeguards. Standard Chartered predicts stablecoins could drain up to $500 billion from US bank deposits by 2028, a hit that would land hardest on regional lenders.

What Happens When the Run Comes?

If history is any guide, a stablecoin run would unfold with terrifying speed. Here is the cascade:

First, a shock triggers doubt. Perhaps a reserve audit reveals discrepancies. Perhaps a major issuer's Treasury holdings lose value during a liquidity crunch. Perhaps a regulatory crackdown spooks holders. The trigger matters less than the response.

Second, holders rush to redeem. Stablecoin issuers, like banks before them, face a classic run dynamic: holders compete for first-mover advantage, racing to convert their digital IOUs into real dollars before reserves are depleted.

Third, the issuer begins selling reserve assets to meet redemptions. But if those reserves are concentrated in illiquid assets—high-yielding but hard-to-sell securities, fire sales depress market prices, eroding the issuer's solvency and triggering further redemptions.

Fourth, the run cascades into the traditional banking system. Because stablecoin issuers keep significant reserves in banks, a stablecoin run forces issuers to pull deposits from those banks, triggering bank runs in turn. This is the feedback loop that keeps regulators awake at night.

The Crucial Difference and Why It Matters

There is, however, one difference that changes everything: deposit insurance and lender-of-last-resort support.

In the National Banking Era, there was no Federal Reserve, no FDIC, no explicit government backstop for depositors. When a bank failed, your banknote became wallpaper. Today, bank deposits are insured, and the Fed can provide emergency liquidity.

Stablecoin holders enjoy no such protection. They are not covered by deposit insurance. Issuers have no access to central bank liquidity. In a run, there is no lender of last resort to halt the panic—only the issuer's reserve portfolio, which may or may not be sufficient.

This is why the comparison to 19th-century banknotes is not merely academic. We are, in a very real sense, going back to the future: recreating a system of private money issuance that we abandoned precisely because it was prone to devastating runs. The technology is new. The liability structure is eerily familiar. And the question "Will my digital dollar still be worth a dollar tomorrow?" is the same one that haunted Americans queuing outside banks in 1873, 1893, and 1907.

The difference is that today, we have forgotten why we built the safeguards in the first place.