The Lombard Review
Markets & Finance

Stablecoins could become big buyers of Treasuries

Reserve mandates create bill demand

The U.S. Treasury Building, Washington
The U.S. Treasury Building, WashingtonPhoto: MeanieHyaena / Wikimedia Commons, CC BY 4.0

The United States Senate took a historic legislative step by passing the Guiding Electronic National Innovation and Uniform Standards (GENIUS) Act, establishing a formal federal regulatory framework for dollar-backed stablecoins. Beyond cryptocurrency markets, the legislation carries profound structural implications for the sovereign debt market: it legally mandates that stablecoin issuers back tokens with short-term US Treasury bills.

The U.S. Capitol and the Grant Memorial
The U.S. Capitol and the Grant MemorialPhoto: Martin Falbisoner / Wikimedia Commons, CC BY-SA 3.0

The New Institutional Bill Absorption Engine

With the aggregate market capitalization of dollar-backed stablecoins exceeding $200 billion and expanding at double-digit annualized rates, stablecoin issuers have quietly emerged as significant participants in the front-end Treasury bill market. By codifying strict reserve mandates—requiring 100 per cent backing in cash and direct Treasury bills maturing within 93 days—the GENIUS Act establishes a structural, price-insensitive buyer for federal short-term debt.

A $100,000 gold certificate, the largest U.S. note ever printed
A $100,000 gold certificate, the largest U.S. note ever printedPhoto: BrayLockBoy / Wikimedia Commons, Public domain

Disintermediating Bank Deposits

However, this structural demand comes with a banking sector trade-off. As corporate treasuries and retail users migrate transactional liquidity into yield-bearing stablecoins, traditional commercial banks face accelerating deposit disintermediation. The GENIUS Act effectively converts the digital currency ecosystem into a synthetic Treasury financing vehicle, creating an insatiable structural bid for federal debt while quietly draining low-cost liquidity from the regional banking system.