
US Treasury Unveils GENIUS Act Rules, Barr Warns of Stablecoin Run Risks
Key Takeaways
- Treasury issued first GENIUS Act rulemaking; 87-page NPRM to judge state regimes as substantially similar.
- Barr warns clearer stablecoin rules could speed growth but must address money-laundering, run risks, safeguards.
- Rule seeks public comment on state-level similarity to federal framework; targets issuers under $10B.
Treasury Proposes Substantial Similarity Test
The US Treasury released its first proposed rule under the GENIUS Act.
Issuers with no more than $10 billion could operate under state supervision if regimes are substantially similar to federal standards.

The proposal anchors the federal benchmark largely to OCC rules.
Barr Warns Stablecoins Could Ignite Runs
Barr said the GENIUS Act provides needed clarity but implementation will be critical.
He warned stablecoins could spark runs if issuers stretch for yield in reserve assets.

Barr framed the debate in historical terms, citing past financial panics caused by private money.
Rivals Debate Regime Complexity
Critics warn the dual federal-state framework adds complexity that could slow adoption.
The $10 billion threshold will force many issuers into OCC supervision.
Parallel rulemakings are expected at the NCUA for credit-union-related issuers.
Transparency and Consumer Protection
Issuers must publish reserve composition reports at least monthly.
Naming restrictions apply across both frameworks to prevent confusion.

Congressional Democrats have demanded briefings on the law's implementation.
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