Fourteen months after President Donald Trump signed the Guiding and Establishing National Innovation for U.S. Stablecoins Act (GENIUS Act) into law on July 18, 2025, not one of the four primary federal regulators has issued a final implementing rule. The Office of the Comptroller of the Currency ...
"We are very intent on moving quickly and getting a final rule out by November so that we will be able to start processing applications within the new year." — Jonathan Gould, Comptroller of the Currency
Fourteen months after President Donald Trump signed the Guiding and Establishing National Innovation for U.S. Stablecoins Act (GENIUS Act) into law on July 18, 2025, not one of the four primary federal regulators has issued a final implementing rule. The Office of the Comptroller of the Currency (OCC), Federal Deposit Insurance Corporation (FDIC), National Credit Union Administration (NCUA), and Treasury Department all missed the statute's one-year rulemaking deadline on July 18, 2026. The law's effective date — January 18, 2027 — remains unchanged.
The regulatory gap leaves a $308 billion stablecoin market operating under proposed, not final, rules. Three parallel rulemaking tracks are active across prudential standards (OCC), anti-money laundering (FinCEN/OFAC), and institutional oversight (FDIC/NCUA). Treasury's August 17 notice of proposed rulemaking added criminal penalties — up to $1 million in fines and five years imprisonment per violation — for unauthorized stablecoin issuance. The compressed timeline creates an asymmetric compliance burden: cautious firms wait for final text while aggressive ones build on proposals and dare regulators to object.
The GENIUS Act establishes three classes of permitted payment stablecoin issuer (PPSI): subsidiaries of insured depository institutions, federally qualified nonbank issuers supervised by the OCC, and state-qualified issuers. The law prohibits any person other than a PPSI from issuing a payment stablecoin in the United States as of the effective date.
Reserve requirements mandate one-to-one backing in qualifying assets: U.S. coins and currency, demand deposits at insured depository institutions, Treasury bills maturing within 93 days, qualifying repurchase agreements, and certain money market fund securities. Gold, Bitcoin, corporate bonds, and secured loans do not qualify.
Issuers must maintain par redemption rights, submit weekly reports to regulators, publish monthly reserve disclosures, and undergo regular audits. The law takes effect on the earlier of January 18, 2027 (18 months post-enactment) or 120 days after primary federal regulators issue final implementing rules. No final rules have been issued. The January 18 date therefore controls.
Foreign issuers face additional requirements. They must demonstrate the technological capability to comply with U.S. lawful orders — including asset freezes and seizures — and obtain a Treasury reciprocity determination confirming their home jurisdiction provides substantially similar regulatory standards. Without that determination, their stablecoins cannot be offered or sold through U.S. digital asset service providers after July 18, 2028.
The rulemaking effort has proceeded on three parallel tracks, none of which has reached finalization.
OCC Track (Prudential Standards): The OCC published a 376-page proposed rule on February 25, 2026, addressing application requirements, reserve standards, par redemption, liquidity, risk management, audits, reporting, custody, supervision, wind-down procedures, capital requirements, and state-to-federal transition pathways. The public comment period closed in May 2026. Comptroller Jonathan Gould stated on August 20, 2026, that the agency targets a final rule by November 2026, with application processing beginning in early 2027. The OCC separately proposed reporting forms in June 2026, including confidential weekly schedules covering the largest stablecoin holders by wallet address, exchange trading volumes, and top counterparties. Digital asset chartering activity at the OCC has increased eightfold compared to the prior administration, according to the agency.
FinCEN/OFAC Track (AML/Sanctions): Treasury proposed joint anti-money laundering and sanctions compliance program requirements on April 8, 2026, requiring PPSIs to implement Bank Secrecy Act-grade AML programs. A separate joint customer identification rule had a comment period open until August 21, 2026. An FDIC anti-money laundering proposal remained open until August 4.
Treasury Track (Issuance/Sales Prohibitions): On August 17, 2026, Treasury published a separate notice of proposed rulemaking defining who may legally issue or sell payment stablecoins in the United States. Comments are due October 19, 2026. This is the most recent and most consequential proposed rule.
If the OCC meets its November target, the 120-day window would push the effective date to approximately March 2027 — two months past the statutory January 18 backstop. The January date therefore binds unless all four agencies finalize simultaneously before September 20, 2026, which no observer expects.
The August 17 proposed rule is notable for its enforcement teeth. Treasury defines "issue" as the "first transfer of a payment stablecoin by the issuer that results or will result in a person other than the issuer having the right to use or transfer" the token. An "issuer" is the entity obligated to redeem at par and representing stable value maintenance.
Criminal penalties apply: up to $1 million in fines and five years in prison per violation for unauthorized issuance. Persons who participate in issuance — by performing technical functions such as minting, or by providing branding in white-label arrangements — may face criminal liability even if they do not meet the statutory definition of issuer.
The rule's geographic scope covers persons "located in the United States," defined as individuals physically present in the U.S. (excluding temporary nonresident visits) and entities organized under U.S. law or maintaining principal business operations domestically. Treasury sought feedback on 87 specific questions regarding all aspects of the proposal.
Beginning July 18, 2028, digital asset service providers — exchanges, custodians, payment processors — cannot offer or sell payment stablecoins unless issued by a permitted issuer or a compliant foreign issuer. This creates a two-year distribution restriction timeline layered on top of the January 2027 issuance prohibition.
Tether's USDT, the largest stablecoin at approximately $184 billion in circulation (59.5% market share as of August 2026), faces the most acute compliance challenge. According to Tether's Q1 2026 attestation, approximately 25% of USDT's reserves — roughly $47 billion — are held in assets that do not qualify under the GENIUS Act, including gold, Bitcoin, corporate bonds, and secured loans.
The company faces a dual-path compliance problem. As a foreign issuer, USDT requires a Treasury reciprocity determination to continue serving U.S. businesses. As of August 2026, that determination has not been issued. Without it, U.S. digital asset service providers must delist USDT by July 2028.
Tether responded by launching USA₮ on January 27, 2026, a separate stablecoin issued through Anchorage Digital Bank, a federally chartered crypto bank. The strategy is to channel U.S. demand through the domestically compliant token while pursuing reciprocity for USDT in international markets. Whether this bifurcation succeeds depends on Treasury's willingness to grant the reciprocity determination and on exchange willingness to maintain two separate Tether products.
The $47 billion reserve restructuring required to bring USDT into compliance would represent one of the largest single-entity portfolio reallocations in fixed-income markets. Selling gold and Bitcoin holdings to purchase sub-93-day Treasury bills in that volume would move markets, particularly given that Tether's disclosed Bitcoin holdings exceeded $5 billion and gold reserves exceeded $4 billion as of Q1 2026.
Circle, the issuer of USDC ($73 billion in circulation, 23.6% market share), is the furthest along the compliance path. The company submitted its OCC application on June 30, 2025, received conditional approval for a national trust bank charter (First National Digital Currency Bank, N.A.) on December 12, 2025, and obtained full charter conversion on July 10, 2026. Circle already maintains 1:1 reserves in qualifying assets and publishes monthly attestations. USDC is positioned to become the reference compliant stablecoin.
Paxos, which issues PayPal's PYUSD in addition to its own stablecoin products, received a national trust charter from the OCC in December 2025. Paxos maintains 1:1 reserves in cash and U.S. Treasury bills, conducts monthly independent attestations, and provides enforceable redemption rights. Both PYUSD and Paxos's own products appear to meet GENIUS Act standards without material restructuring.
The top five stablecoin issuers control 88.57% of total supply. The compliance gap between front-runners (Circle, Paxos) and the market leader (Tether) introduces structural uncertainty into an $308 billion asset class.
The GENIUS Act permits state-level regulation for issuers with consolidated outstanding issuance of $10 billion or less, provided the state's regulatory regime is deemed "substantially similar" to the federal framework. A new Stablecoin Certification Review Committee — composed of Treasury, the Federal Reserve, and the FDIC — must certify each state regime.
No state has received certification. Treasury proposed principles for acceptable state regimes in April 2026, but these remain proposals. The $10 billion threshold effectively limits state oversight to smaller issuers while routing the major players through federal channels.
For small and mid-size firms, the state pathway offers potentially lower compliance costs and faster approval timelines, but only if their state regulators achieve certification before the January 2027 effective date. That timeline is functionally impossible given that federal regulators have not finalized the standards against which state regimes would be measured.
Total stablecoin market capitalization stands at $308 billion as of August 13, 2026, up 14.3% year over year. Supply peaked at approximately $322 billion in May 2026. Monthly on-chain transaction volume reached a record $1.79 trillion in June 2026.
Citi's base case projects stablecoin supply reaching $1.9 trillion by 2030; its bull case reaches $4 trillion. Standard Chartered expects $2 trillion by end of 2028. These projections assume a functioning regulatory framework — the absence of final rules introduces downside risk.
The regulatory uncertainty has not materially slowed market growth. USDT and USDC together control approximately 83% of total supply, and both issuers have publicly committed to compliance. The question is not whether the market will be regulated, but how much value transfers from non-compliant to compliant issuers during the transition window.
Stablecoin transaction volume data suggests the market has already begun pricing in the regulatory bifurcation. USDC leads by annual transaction volume at $18.3 trillion versus USDT's $13.3 trillion, despite USDT holding 2.5 times the supply. U.S.-domiciled activity increasingly flows through the compliant channel.
The GENIUS Act created the first comprehensive federal regulatory framework for a $308 billion market. Fourteen months later, the framework exists in statute but not in regulation. The OCC's November target and Treasury's October comment deadline suggest final rules may arrive in Q1 2027 — after the law has already taken effect.
The practical consequence is a period of legal ambiguity. On January 18, 2027, unauthorized stablecoin issuance becomes unlawful, but the process for becoming authorized will not be complete. Firms like Circle and Paxos, which secured OCC charters preemptively, will operate with reasonable legal cover. Firms without charters or reciprocity determinations face a choice between suspending U.S. operations and operating under legal risk.
The $308 billion stablecoin market will not pause for regulators to finish their paperwork. What changes is who gets to participate in it.