You are not misreading the market: Dollar liquidity is tightening, with the 10-year US Treasury yield once breaking 4.7% as global investors scramble for dollar holdings. Yet the combined market cap of USDT and USDC keeps climbing, and total stablecoin market value hit a new all-time high of $315 billion in the first quarter of 2026.
A leading global cryptocurrency platform,suitable for both beginners and experienced traders.
New user benefit: 20% off trading fees upon registration!！
These two trends seem contradictory at first glance, but the underlying logic is very clear: Stablecoin supply is decoupling from the traditional definition of "dollar liquidity", and now follows its own independent operation path.
Understand the Difference Between Two Types of "Dollars"
First, distinguish these two separate systems:
Traditional dollar liquidity: Refers to interbank lendable funds in the offshore dollar market. This pool is heavily affected by Federal Reserve policy and geopolitical risks. For example, recent rising tensions in the Middle East led to broad tightening in overseas dollar markets, as all market participants rushed to hold dollar cash.
On-chain dollar (stablecoin) supply: Refers to dollar-pegged tokens like USDT and USDC. Its issuance mechanism is completely different: it is not generated through bank credit expansion, but follows the process of "issuers collecting fiat currency, buying US Treasuries, and minting tokens on the blockchain".
These two systems run in parallel right now. Tightening traditional dollar liquidity does not prevent on-chain dollar supply from expanding.
Core Drivers for Continued Stablecoin Growth
Driver 1: Stablecoins have become a "US Treasury purchase machine"
The fiat-collateralized stablecoin issuance mechanism means that for every USDT or USDC minted, the issuer must deposit equivalent dollar assets in the traditional financial system as reserves, 75% to 80% of which are short-term US Treasuries.
This mechanism forms a self-reinforcing cycle of "buy more US Treasuries, issue more stablecoins": the higher on-chain demand for stablecoins rises, the more US Treasuries issuers need to buy to support their reserves; holding more US Treasuries in turn allows them to issue more stablecoins. In 2024, stablecoin issuers purchased roughly $400 billion worth of short-term US Treasuries, exceeding the purchase volume of some sovereign nations. As of mid-2025, Tether and Circle together hold more than $175 billion in US Treasuries.
So the growth of stablecoin supply essentially reflects global demand for dollar-denominated digital assets, rather than the loosening or tightening of dollar liquidity in the traditional financial system.
Driver 2: Stablecoins are becoming a "new circulation layer" for offshore dollars
The early offshore dollar market (Eurodollar market) acted as a channel for funds to flow from the US to the rest of the world, providing financing for developing countries. But the on-chain dollar market has the opposite capital flow direction: it mostly absorbs dollars from other countries, and channels those dollar flows back to the US.
Professor Yang Changjiang from Fudan University put forward a key observation in his analysis: The on-chain dollar market is fundamentally different from the old Eurodollar market — it turns the US from a capital supplier into a capital collector. This means stablecoin growth can happen even when traditional dollar liquidity is tightening, as its driving force comes from global allocation demand for digital dollar tools, not the ease of interbank credit.
Driver 3: Stablecoins are becoming the "underlying infrastructure" for global payments
In Q1 2026, quarterly stablecoin transaction volume hit $28 trillion, rising 51% quarter over quarter. This massive transaction demand is real, covering use cases including cross-border payments, DeFi lending, and institutional corporate treasury management. As long as these use cases keep expanding, demand for stablecoins will not disappear just because US Treasury yields stay elevated for a short period.
A leading global cryptocurrency platform,suitable for both beginners and experienced traders.
New user benefit: 20% off trading fees upon registration!！
One Key Risk to Note
It is true that total stablecoin market cap is rising, but this growth is supported by "issuers continuously buying US Treasuries". If major credit risk events hit the US Treasury market itself — for example, sustained deterioration of US fiscal health, or large-scale sell-offs of long-term US Treasuries — the underlying assets backing stablecoins will face pressure. The 2023 Silicon Valley Bank collapse that made USDC temporarily depeg to $0.87 was exactly caused by problems with its underlying reserve assets.
Trend Validation Method: Plot "total stablecoin market cap" and "10-year US Treasury yield" on the same chart, and check if they show a simultaneous upward trend recently. If stablecoin supply keeps growing even as yields rise, it confirms that "liquidity tightening" and "stablecoin growth" are indeed happening at the same time.
Next Step: Check total stablecoin market cap data weekly (available on DefiLlama), and use it as an independent macro indicator, instead of forcing it to fit traditional dollar liquidity logic. The next time you see US Treasury yields rise, do not rush to conclude that "stablecoin supply will fall as a result" — the old simple negative correlation between these two variables no longer holds.
