The Emerging Crisis: How a Hormuz Shock Forces a New Monetary System

One System Now

The world is entering a period in which energy security, sovereign debt, reserve currency power, and digital payments can no longer be analysed as separate subjects. They are becoming one system. A disruption in a strategic oil chokepoint can now transmit directly into inflation, currency pressure, Treasury markets, central-bank intervention, and ultimately the structure of money itself.

The old habit of treating geopolitics, macroeconomics, and payment infrastructure as distinct categories is no longer adequate. What follows is a single linear chain — from a tanker lane in the Persian Gulf to the architecture of money itself.

Hormuz as the Central Node

The Strait of Hormuz sits near the centre of this chain. Roughly a fifth of global energy transport passes through it, which is why even a temporary closure or major military risk event is enough to reprice oil, shipping, insurance, and global risk assets at once. Reuters reported this week that markets rallied only after a two-week ceasefire raised hopes that flows through the Strait could resume — underlining how central Hormuz remains to global energy pricing.

For the full picture of the physical disruption underway, see our 2026 Oil Crisis Deep Dive. This piece picks up where that one ends: how the physical shock propagates into money.

Energy Shock Becomes a Dollar Shock Abroad

An oil shock at Hormuz is not simply an oil story. It is a dollar story. Much of the world still buys energy in dollars, so when oil prices jump and physical flows become uncertain, import-dependent economies need more dollars at exactly the moment when their currencies and external balances are under pressure.

Reuters reported on 7 April that Asia's dollar-denominated oil deficit would rise sharply if current prices persist, and that some governments may increasingly have to defend their currencies and fund energy imports by selling U.S. assets, including Treasuries.

That is the first decisive link. An energy shock becomes a dollar-liquidity shock abroad. A dollar-liquidity shock abroad becomes Treasury stress. Once foreign official institutions, sovereign funds, or major investors have to raise dollars under pressure, the sale of U.S. assets stops being a portfolio adjustment and starts becoming part of the crisis mechanism itself.

Dollar Shock Becomes Treasury Stress

This matters because the United States has financed its global position through a system in which the rest of the world holds large quantities of dollar assets. In stable conditions, that arrangement supports U.S. borrowing costs and reinforces the dollar's central role in trade and reserves.

In stressed conditions, it becomes reflexive. If external holders sell Treasuries, yields rise. If yields rise, U.S. borrowing costs rise. If borrowing costs rise far enough, deficits worsen faster, refinancing becomes more difficult, and debt sustainability becomes more sensitive to market confidence.

Treasury stress becomes sovereign stress. The core problem is not merely that U.S. debt is large, but that a rise in yields can worsen the debt path very quickly when the debt stock is already enormous. A government can carry high debt for years if the funding base is stable and the cost of servicing it remains manageable. It becomes vulnerable when confidence, rates, and refinancing pressure move in the wrong direction together.

The Policy Trilemma — and Why Liquidity Wins

At that point policymakers face only unattractive choices:

In practice, the most politically likely option is monetary intervention. States almost always prefer liquidity creation to open collapse. The problem is that this intervention would not be taking place in a clean disinflationary panic — it would be taking place during an energy shock.

In that environment, monetary support does not just stabilise markets; it also risks feeding inflation, because liquidity is being added into an economy already constrained by higher fuel, freight, and insurance costs. The likely result is not a normal recovery but a stagflationary mix of weak growth and persistent price pressure.

The Weakening Petrodollar System

This is where the old monetary order begins to weaken. The dollar remains dominant, but dominance is no longer the same as exclusivity.

Reuters reported in January that the petrodollar system's influence has been declining, and that the share of global crude trade priced in non-dollar currencies has risen materially. The Atlantic Council likewise notes that the common story of a single Saudi–U.S. agreement mandating all oil trade in dollars is historically oversimplified, even though the broader petrodollar system did help channel oil revenues back into U.S. assets.

That distinction matters. The issue is not whether the dollar disappears suddenly. It is whether oil settlement, trade invoicing, and cross-border payments become more fragmented at the edges first — especially under geopolitical pressure.

Iran is the clearest example. Sanctions have already pushed much of its oil trade into indirect channels and non-dollar settlement mechanisms. China has become the principal buyer of Iranian crude through networks designed to reduce exposure to U.S. financial enforcement. That means Iran is not just relevant as a military actor near Hormuz; it is also a working example of energy trade already moving outside the clean dollar path.

BRICS, Digital Yuan, India's Proposal

Once that is understood, BRICS can no longer be treated as peripheral. The bloc is not building a single imminent replacement currency — Reuters reported in 2025 that Brazil's BRICS presidency would not pursue a common BRICS currency. But the same reporting notes BRICS is actively exploring linked payment systems, local-currency settlement, and technical standards for alternative cross-border rails.

If a Hormuz shock pushes producers and buyers toward greater settlement flexibility, and a growing share of oil trade is already being invoiced outside the dollar, then BRICS becomes more than a diplomatic slogan. It becomes part of the infrastructure question — not a unified reserve currency, but a parallel settlement architecture.

Digital-Dollar Infrastructure

This is where the United States faces a deeper challenge. If parts of the world begin settling more energy and trade outside the dollar, foreign demand for U.S. assets becomes less automatic at the margin. That does not mean a sudden collapse in reserve status. Reuters reported that most surveyed central banks still see the dollar as the leading safe-haven currency. But the same reporting notes that geopolitical fragmentation is now the top concern among central banks, and that confidence in U.S. bonds is no longer as unquestioned as before.

So the U.S. response is likely to be twofold. First, monetary support to stabilise sovereign financing if yields become disorderly. Second, a more digital form of dollar power.

That is the real transition point. The old monetary order was centred on sovereign reserve accumulation, eurodollar plumbing, and institutional Treasury demand. The emerging one is more retail, more digital, and more platform-based. Users holding balances inside digital-dollar systems become indirect funders of the sovereign, whether they think of themselves that way or not.

Once this happens, money changes character. It becomes more traceable, more programmable, and more tightly integrated with regulatory rules. This does not mean every digital system becomes coercive by default. It does mean that the technical capacity for conditional money expands sharply. When money is held inside app-based, identity-linked, policy-governed systems, the point of transaction becomes the point of governance.

Contested Monetary Architecture

The likely end state is not one neat replacement for the old system. It is a world of competing rails.

That is the broader outcome toward which current events point. A Hormuz shock does not merely raise oil prices. It accelerates a pre-existing transition from a singular petrodollar order toward competing digital settlement blocs. The more energy trade becomes politically risky, the stronger the incentive for producers and buyers to diversify settlement mechanisms. The more that diversification grows, the more pressure the United States faces to preserve debt demand and monetary influence through digital-dollar infrastructure.

The result is a new monetary system not defined by the disappearance of the dollar, but by the end of its uncontested monopoly over trade settlement and financial plumbing.