A framework is easy to state and hard to believe until you watch it work. The layered view of money becomes convincing when you watch the pyramid get built, stretched, and rebuilt, and six centuries give you six recognizable steps.
1252: A Coin That Settles
Florence mints the fiorino d’oro, roughly 3.5 grams of gold, and holds its weight for centuries. The florin is first-layer money in the purest sense. It has no issuer to fail. Bhatia opens with it because everything that follows is a claim on something like it.
The lesson of the florin is that base money is chosen by traders, not decreed. Florence had no empire. It had a coin people trusted to be the same tomorrow, and that was enough to make it the settlement unit of a continent.
The Medici: The Second Layer Appears
The Medici bank of the fourteenth and fifteenth centuries did not invent paper claims on coin, but it built the first international network of them. Bills of exchange let value move by letter rather than by mule train. The bank’s balance sheet became the bridge between the coin in the vault and the paper in circulation.
Bhatia’s point is that the bill made trade faster and the system more fragile in the same stroke. Deferred settlement is a bet on the issuer. The bet usually pays. When it fails, the paper is worth nothing and the coin is still in someone else’s vault.
1609 and 1694: Central Banks Take the Middle
The Bank of Amsterdam, founded in 1609, was the first institution to make bank money more trusted than coin itself. Deposits at the Wisselbank became the unit in which Amsterdam merchants settled, because the bank was reliable and the coinage of the era was not. Bhatia treats it as the framework for central banking: an institution whose liabilities become the reference layer for the private sector.
The Bank of England, chartered in 1694 to finance a war, completed the model. Its notes promised gold; commercial banks issued deposits promising its notes; and over successive charter renewals it secured a monopoly on note issuance in England. The pyramid now had three layers and a state-connected institution in the middle of it.
Bhatia’s account of the Panic of 1796 to 1797 is the framework in action. A land bubble in the young United States burst, British defaults followed, and depositors ran up the pyramid toward gold. The Bank of England would have been drained. Parliament responded with the Bank Restriction Act of 1797, which suspended redemption for more than two decades. The base layer was still gold in name. In practice, no one could reach it.
1913 to 1944: The Dollar Pyramid
The Federal Reserve, created in 1913, put the American system on the same three-layer structure. Then 1933 removed gold from citizens’ hands, and the 1944 Bretton Woods agreement made the dollar the layer every other currency promised to pay, with gold redeemable only by foreign central banks at thirty-five dollars an ounce.
Alden’s Broken Money supplies the numbers that show what happened next. United States gold reserves peaked above twenty thousand metric tons around 1950 and fell to just over nine thousand by 1970, while the base dollar supply doubled and broad dollars more than tripled. The lower layers grew while the top layer shrank. The 1971 suspension was not a policy choice so much as an acknowledgment.
The 1950s: Dollars Nobody Issued
Here is the step most people have never heard of. In the 1950s, banks in London, Paris, and Zurich began taking dollar deposits and lending dollars. Some of the first large depositors were Soviet entities that needed dollars for trade and did not want them sitting under American jurisdiction. The deposits were denominated in dollars but issued by European banks, outside the Federal Reserve’s reach and outside its reserve requirements. They came to be called Eurodollars, a name that predates the euro by four decades and has nothing to do with it.
Bhatia’s sentence on this is worth memorizing: international banks had discovered a way, without asking anybody’s permission, to create dollars away from the purview of the Federal Reserve. Alden describes the result as a fractional reserve system built on a fractional reserve system.
The Eurodollar system grew into the plumbing of global trade. Oil, shipping, and sovereign borrowing are priced and settled in dollars that were never issued in the United States. Bhatia’s diagram of it has a question mark at the top, because for fifty years no one could say what layer these dollars sat on or who stood behind them. The answer arrived in 2008, when the Federal Reserve opened swap lines to foreign central banks to keep offshore dollar banks from failing. The question mark was the Fed all along. It had simply never been asked to prove it.
2009: A New Base Layer
Every step above added a layer of promise on top of the one before, or moved the base further from the people who used the money. The 2009 step is different. Bitcoin is not a claim on anything. It is a base asset, held by controlling keys, settled with finality on a public ledger, issued on a schedule no balance sheet can change.
Bhatia’s framing is that Bitcoin starts a second pyramid rather than joining the first. Second-layer bitcoin already exists: Lightning channels, which are promises between two parties to settle on chain, and custodial balances, which are promises by an institution. Bhatia expects fractionally reserved bitcoin liabilities to exist and to trade at an interest rate that prices their risk, exactly as gold liabilities did. The difference is that anyone can hold the base asset directly, at any scale, without an armored truck or an assay. The apex of the old pyramid was reachable only by central banks. The apex of the new one is reachable by anyone with a hardware wallet.
Reading the Present Through the Framework
Three current questions resolve cleanly once the layers are visible.
Stablecoins are promises by a private issuer to pay bank deposits, which are themselves third-layer promises. They inherit every risk of the layers above them plus the issuer’s own. They are useful in the same way bills of exchange were useful, and fragile in the same way.
A central bank digital currency, if one is issued, is a second-layer dollar made available to the public directly. It moves retail holders up one layer and gives the issuer a view of every transaction. It is not a new base. It is the old base with fewer intermediaries and more surveillance.
Bitcoin held in self-custody is the only instrument in the list that is not a promise. That is the whole reason it needs a different custody discipline and a different estate procedure. You are not holding a claim. You are holding the thing.
“The return of money is more important than the return on money.”
— Steff
Sources: Layered Money Ch.1–8 (Bhatia) | Broken Money Ch.7–9 (Alden) | The Bitcoin Standard Ch.4 (Ammous) | The Fiat Standard Ch.5–6, 14 (Ammous)
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