Three federal agencies issued proposed rules within a single week to implement the Guiding and Establishing National Innovation for U.S. Stablecoins (GENIUS) Act, signed into law on July 18, 2025. The coordinated rulemaking push — from FinCEN, OFAC, and the FDIC — targets a stablecoin market that...
"This proposal will protect the U.S. financial system from national security threats without hindering American companies' ability to forge ahead in the payment stablecoin ecosystem." — Scott Bessent, U.S. Treasury Secretary
Three federal agencies issued proposed rules within a single week to implement the Guiding and Establishing National Innovation for U.S. Stablecoins (GENIUS) Act, signed into law on July 18, 2025. The coordinated rulemaking push — from FinCEN, OFAC, and the FDIC — targets a stablecoin market that reached $315 billion in total supply in Q1 2026 and now accounts for 84% of all illicit on-chain transaction volume, according to a March 2026 Financial Action Task Force report.
On April 8, FinCEN and OFAC jointly published a Notice of Proposed Rulemaking classifying permitted payment stablecoin issuers (PPSIs) as financial institutions under the Bank Secrecy Act. One day earlier, on April 7, the FDIC approved a parallel proposal establishing prudential standards including 1:1 reserve requirements and mandatory two-business-day redemption windows. The OCC had already issued its own implementing proposal in February. All three agencies face a statutory July 18, 2026 deadline to finalize regulations, with full enforcement beginning no later than January 18, 2027.
The combined effect: stablecoin issuers — including Tether ($184 billion in circulation) and Circle ($78.3 billion) — will face compliance obligations functionally equivalent to those applied to banks.
The GENIUS Act created a dual-track regulatory framework. Issuers with outstanding stablecoins above $10 billion must register under federal oversight — jointly administered by the OCC, FDIC, or Federal Reserve depending on institutional charter. Issuers below $10 billion may operate under state regulation, provided their state framework meets a "substantially similar" standard determined by Treasury.
Three agencies are now translating the statute into operational rules on parallel tracks:
A fourth rulemaking from Treasury addresses the "substantially similar" test for state regimes. Each proposal carries a 60-day public comment period. The statutory deadline for final rules is July 18, 2026.
The joint FinCEN/OFAC proposal is the most operationally demanding. It requires PPSIs to:
Build bank-grade AML programs. Issuers must implement risk-based anti-money laundering and countering-the-financing-of-terrorism (AML/CFT) programs. These include internal policies, procedures, and controls; independent testing by external auditors or qualified internal staff; and ongoing employee training. Each PPSI must designate a qualified, U.S.-based AML/CFT compliance officer with no prior financial felony convictions.
File Suspicious Activity Reports at the $5,000 threshold. The same SAR threshold that applies to banks. Issuers must identify customers, maintain customer information, and conduct due diligence scaled to risk — assessing entity types, jurisdictions, operating history, and intermediary relationships.
Deploy technical controls for transaction blocking. PPSIs must possess the technical ability to "block, freeze, and reject specific or impermissible transactions that violate Federal or State laws." This includes the capacity to "burn" stablecoins — permanently removing tokens from circulation — to restore fraudulently obtained funds to victims.
Monitor secondary markets. The proposal extends compliance obligations beyond primary issuance to secondary market transactions and blockchain activity. FinCEN's framing is explicit: issuers are "best positioned to identify and evaluate their money laundering, terrorist financing, and illicit finance risks."
Maintain standalone sanctions compliance programs. OFAC requires risk-based internal controls to prevent sanctions violations, with regular testing and auditing to ensure ongoing adherence.
FinCEN indicated it would take a "measured supervisory approach." Enforcement actions or major supervisory actions would be limited to cases involving "significant or systemic failure" to maintain the required program.
The FDIC's April 7 proposal addresses the banking-side infrastructure for stablecoin issuance. Key provisions:
1:1 reserve requirement. PPSIs must hold eligible reserve assets equal to the full outstanding stablecoin supply at all times. The statute mandates reserves consist of U.S. dollars, Treasury bills, repurchase agreements backed by Treasuries, or Federal Reserve deposits.
Two-business-day redemption window. Issuers must redeem stablecoins for U.S. dollars within two business days of a holder's request. This is tighter than the current informal market practice, where some issuers take up to five days.
12-month operating expense buffer. Beyond the 1:1 reserve pool, PPSIs must maintain a separate pool of highly liquid assets equal to 12 months of total operating expenses. This operational backstop ensures issuers can continue functioning even during extended market stress.
$5 million minimum capital for new issuers. New PPSIs face a $5 million minimum capital requirement — or higher if regulators condition it — for their first three years of operation. Counterparty exposure is capped at 40% of total reserves.
No deposit insurance pass-through. Deposits held by insured banks as PPSI reserves are insured only as corporate deposits of the PPSI, up to the standard $250,000 limit. Individual stablecoin holders do not receive pass-through FDIC insurance coverage.
Yield ban. Issuers cannot represent that their tokens pay interest or yield "simply for holding or using a payment stablecoin," including via arrangements with third parties. This provision directly constrains the business models of issuers who had explored yield-bearing stablecoin products.
The FDIC posed 144 specific questions to commenters, signaling significant implementation ambiguity remains. Chairman Hill described the proposal as "closely aligned" with the OCC's February framework.
The GENIUS Act draws a hard line at $10 billion in outstanding stablecoins. Below that threshold, issuers may operate under state regulation. Above it, they must transition to federal oversight within 360 calendar days or cease net new issuance. Issuers must notify the OCC within five calendar days of exceeding the threshold.
As of April 2026, this line splits the market clearly. Tether (USDT) at $184 billion and Circle (USDC) at $78.3 billion both exceed the threshold by an order of magnitude — they fall under federal jurisdiction automatically. Most other issuers, including newer entrants from traditional banks, remain below the line.
Treasury's separate NPRM on the "substantially similar" standard for state regimes will determine how much regulatory arbitrage remains available to sub-$10 billion issuers. States with weaker AML or reserve frameworks may lose the ability to charter stablecoin issuers entirely.
The regulatory urgency is driven by data. The FATF's March 3, 2026 targeted report on stablecoins and unhosted wallets found that stablecoins accounted for 84% of illicit virtual asset transaction volume in 2025. TRM Labs separately estimated that illicit entities received $141 billion in stablecoins during 2025, the highest level observed in five years.
The FATF report highlighted that stablecoins' price stability and high liquidity have made them a preferred tool for sanctions evasion, drug trafficking, and terrorist financing. Peer-to-peer transactions via unhosted wallets represent a particularly difficult enforcement challenge — one the secondary market monitoring requirements in the FinCEN proposal are designed to address.
Treasury's proposal directly cites the FATF data. The framing positions the rulemaking as a national security measure, not merely a financial regulation exercise.
The stablecoin market hit $315 billion in Q1 2026, up $8 billion quarter-over-quarter, according to market data aggregators. USDC led growth, adding $4.5 billion in supply through March 2026. Approximately 86% of surveyed institutional companies now use or hold USDC, compared to 68% for USDT, per industry surveys — a gap that the GENIUS Act's compliance framework may widen.
Circle, as a U.S.-domiciled issuer that has long emphasized regulatory compliance, is positioned to benefit from rules that impose bank-grade standards on all issuers. Tether, domiciled in El Salvador and the British Virgin Islands, faces a more complex compliance path. The FinCEN proposal requires a U.S.-based compliance officer and the technical ability to block, freeze, and burn tokens — capabilities that Tether has historically deployed on an ad-hoc basis for law enforcement requests but has not formalized into a BSA-compliant program.
New bank entrants are also entering the market. JPMorgan, Bank of America, and other major institutions have begun pilot programs for tokenized deposits and bank-issued stablecoins. The FDIC's framework gives these institutions a regulatory pathway, though the no-yield restriction limits the competitive product design space.
Running in parallel with the prudential rulemaking, Representatives Max Miller (R-OH) and Steven Horsford (D-NV) — both members of the House Ways and Means Committee — have introduced the Digital Asset PARITY Act. The bill creates a $200 capital gains exemption for stablecoin transactions, effectively removing tax friction from everyday payments.
To qualify for the safe harbor, stablecoins must be issued by a GENIUS Act-permitted issuer, be pegged solely to the U.S. dollar, and have maintained a price within 1% of $1.00 for at least 95% of trading days in the prior 12 months. The bill also introduces a five-year tax deferral option for staking and mining rewards, extends wash sale rules to digital assets, and allows mark-to-market accounting for traders. Representative Miller has indicated the bill could advance before August 2026.
The tax framework is significant because it aligns fiscal policy with prudential policy — rewarding issuers who achieve and maintain GENIUS Act compliance.
The April 2026 rulemaking sprint represents the most consequential week for stablecoin regulation since the GENIUS Act's passage in July 2025. Three agencies are simultaneously translating a single statute into operational requirements that will reshape how $315 billion in stablecoins are issued, held, transacted, and monitored.
The compliance cost is substantial. Building bank-grade AML programs, deploying transaction-blocking infrastructure, maintaining 12 months of operating expense reserves, and filing SARs at the $5,000 threshold requires organizational and technical investment that favors large, well-capitalized issuers. Circle's institutional positioning and Tether's market dominance will both be tested.
The 60-day comment periods across all proposals run concurrently. Final rules must land by July 18. Full enforcement begins January 2027. For an industry that spent years operating in regulatory ambiguity, the ambiguity is ending — replaced by 144 questions from the FDIC, a SAR threshold from FinCEN, and a clock counting down to compliance.