- President Trump’s Genius Act, signed July 2026, establishes the first nationwide regulatory framework for dollar-backed stablecoins and permits banks to issue them with federal approval, positioning crypto as a tool to shore up US dollar dominance.
- Stablecoin issuers must back tokens 1-to-1 with Treasury bills or short-term liquid assets, theoretically increasing demand for US government debt and potentially lowering borrowing costs as the dollar’s share of global reserves slides from 64% (2015) to 56% (2025).
- Economists caution that the interest-rate benefit is uncertain and limited mainly to short-term Treasuries (max 93-day duration), not the 10-year yields driving mortgage rates—meaning fiscal discipline, not stablecoins, will ultimately determine US borrowing costs.
- The law creates material risks: legislators allowed uninsured bank deposits as collateral, a potential trigger for stablecoin de-pegging and contagion; offshore stablecoins like Tether remain unregulated and could amplify instability; and proliferation could weaken US sanctions enforcement and anti-money-laundering policies.
What Happened?
Last July, President Trump signed the Genius Act into law, establishing the first comprehensive US regulatory framework for stablecoins—cryptocurrency tokens pegged to the dollar. The legislation officially permits banks and financial institutions to issue federally-approved dollar-backed stablecoins, requiring issuers to maintain 1-to-1 collateral backing with Treasury bills, overnight repos, or money-market funds. Treasury Secretary Scott Bessant and crypto advocates including Donald Trump Jr. have framed stablecoin legalization as a strategic tool to reinforce the dollar’s global dominance, arguing that increased stablecoin issuance will mechanically drive up demand for US government debt.
Why It Matters?
The timing reflects genuine concern about dollar erosion: central banks’ foreign reserve holdings in dollars have declined from 64% in 2015 to 56% in 2025, according to the IMF, amid Trump’s tariff policies, tension over Federal Reserve independence, and skepticism about the $40 trillion US debt load. Stablecoin expansion could provide a meaningful tailwind—more tokens in circulation means more Treasury demand and potentially lower yields for American borrowers. However, Stanford economist Amit Seru emphasizes that the effect on actual interest rates remains speculative and conditional: if stablecoin buyers are simply moving dollars from money-market funds to crypto, no new Treasury demand materializes. More critically, the Genius Act’s 93-day maximum duration requirement means stablecoins back mainly short-term Treasury yields, not the 10-year rates driving mortgages—the real inflation headache for the administration. “If interest rates go down, it will be because we got our fiscal situation under control,” Seru notes, not because of stablecoins.
What’s Next?
Watch for systemic risks embedded in the framework: Brookings and University of Chicago researchers warn that proliferation could make short-term Treasury rates more volatile and unpredictable, while the provision allowing uninsured bank deposits as collateral opens the door to de-pegging cascades (a single stablecoin trading at 99¢ could trigger a run destroying the entire asset class). Tether, the largest stablecoin globally, operates from El Salvador and operates outside the new rules; though it’s creating a US-compliant token, offshore stablecoins could amplify contagion. Finally, the dollar’s ultimate dominance depends less on fintech than on institutional trust—Seru’s stark warning: “Technology cannot compensate for weak institutions.”
Source: Bloomberg Businessweek









