The U.S. Department of the Treasury published a Notice of Proposed Rulemaking (NPRM) on August 17, 2026, implementing Section 3 of the GENIUS Act — the first federal stablecoin law, signed July 18, 2025. The proposed rules define who may legally issue, offer, or sell a payment stablecoin to any p...
"The GENIUS Act provides the fast-growing stablecoin market with the regulatory clarity it needs to grow into a multitrillion-dollar industry. The dollar now has an internet-native payment rail that is fast, frictionless, and free of middlemen." — Scott Bessent, U.S. Secretary of the Treasury
The U.S. Department of the Treasury published a Notice of Proposed Rulemaking (NPRM) on August 17, 2026, implementing Section 3 of the GENIUS Act — the first federal stablecoin law, signed July 18, 2025. The proposed rules define who may legally issue, offer, or sell a payment stablecoin to any person located in the United States. Violations carry criminal penalties of up to $1 million in fines and five years in prison per offense. Comments close October 19, 2026; the broader regime takes effect January 18, 2027.
The rulemaking arrives as the stablecoin market stands at $308 billion in total supply, with adjusted on-chain transaction volume running at a record $1.79 trillion in June 2026 alone — up 125% year-over-year. The rules create a two-tier compliance calendar: issuers must hold federal or state licenses by January 2027, and digital asset service providers must cease offering non-compliant stablecoins to U.S. persons by July 2028. For Tether, the world's largest stablecoin issuer at approximately $190 billion in USDT supply, the proposed framework presents a structural compliance gap that one analysis estimates at $47 billion in reserve restructuring. For Circle, which received an OCC national trust bank charter on July 10, 2026, the rules formalize an advantage it has been building for years.
Treasury's NPRM implements Section 3 of the GENIUS Act by establishing three core definitions that determine the scope of federal jurisdiction.
"Issue" means the first time a payment stablecoin is transferred by the issuer such that another person acquires the right to use, transfer, convert, redeem, or repurchase the token. Reacquisition and re-transfer by the issuer constitutes a new issuance — a provision that prevents regulatory arbitrage through buyback-and-reissue cycles.
"Issuer" means a person who is obligated to convert, redeem, or repurchase the stablecoin for a fixed amount of monetary value, and who represents or creates the reasonable expectation that the token will maintain a stable value relative to that amount.
"Located in the United States" covers individuals physically present in the U.S. (excluding temporary visitors) and entities incorporated, organized, or maintaining their principal place of business in the U.S. The proposed rule explicitly provides for extraterritorial effect: it applies to any offer or sale of a payment stablecoin to any person located in the United States, regardless of where the issuer sits.
The NPRM includes a limited safe harbor for inadvertent issuances by unqualified foreign issuers, provided they can demonstrate reasonable belief that recipients were non-U.S. persons, maintained policies to prevent U.S. distribution, and did not target U.S. markets. Direct peer-to-peer transfers, same-owner account transactions, and self-custody arrangements are excluded from the regulatory perimeter.
The GENIUS Act creates two enforcement deadlines that will reshape stablecoin distribution in sequence.
Tier 1 — January 18, 2027: No person may issue a payment stablecoin in the United States without holding a federal license (via the OCC) or operating under a state regulatory regime that Treasury has determined to be "substantially similar" to the federal framework. The OCC published its own proposed rule on February 25, 2026, specifying application requirements, permissible activities, capital adequacy, and reserve management standards for federally licensed issuers. Reserve assets must be maintained at fair value in an amount at least equal to outstanding issuance at all times. If an issuer fails to meet minimum capital or backstop requirements, it is immediately prohibited from issuing new stablecoins. Two consecutive quarters of non-compliance trigger mandatory liquidation and redemption.
Tier 2 — July 18, 2028: Digital asset service providers — exchanges, wallets, custodians — may not offer or sell a payment stablecoin to a U.S. person unless that stablecoin is issued by a permitted issuer under the Act. Service providers may rely on issuer compliance representations if they conduct reasonable due diligence.
The gap between Tier 1 and Tier 2 is deliberate. It gives issuers 12 months to obtain licenses before the distribution chokepoint closes. For exchanges listing stablecoins from unlicensed foreign issuers, July 2028 is the hard deadline.
The stablecoin market as of mid-August 2026:
| Issuer | Token | Supply | Market Share | Charter/License | |--------|-------|--------|--------------|-----------------| | Tether | USDT | ~$190B | ~59% | None (El Salvador-incorporated) | | Circle | USDC | ~$73B | ~23% | OCC national trust bank (July 2026) | | PayPal | PYUSD | ~$4.1B | ~1.4% | State money transmitter licenses | | Ripple | RLUSD | ~$2B | ~0.6% | NYDFS-regulated | | Tether | USAT | ~$141M | <0.1% | Via Anchorage Digital Bank (OCC) |
Total stablecoin market capitalization: $308 billion as of August 13, 2026, up 14.3% year-over-year. Approximately 99.5% of supply is dollar-denominated.
On adjusted transaction volume — stripping out bot trades, MEV activity, and internal exchange transfers — USDC accounted for approximately 70% of activity in H1 2026, according to Visa Onchain Analytics. USDT held roughly 25%. Adjusted volume hit a record $1.79 trillion in June 2026, up 63% from May.
On centralized exchange trading pairs, however, USDT remains dominant at approximately 74% of stablecoin trading volume — higher than its supply share — reflecting its entrenched position in offshore and emerging-market trading corridors.
Tether Holdings Ltd. is incorporated in El Salvador. USDT is not issued through a federally chartered bank or a state-regulated entity in the United States. Under the GENIUS Act's reciprocity framework, a foreign issuer may continue serving U.S. customers only if Treasury certifies that the issuer's home jurisdiction maintains stablecoin regulations "substantially similar" to the U.S. framework.
As of August 2026, no foreign jurisdiction has received a reciprocity determination. El Salvador has not applied for one.
According to an analysis by TechTimes, Tether's reserve composition presents a structural hurdle for reciprocity eligibility. The GENIUS Act requires reserves to consist of cash, demand deposits, short-term Treasury securities, and other highly liquid instruments meeting specific diversification standards. Approximately 25% of Tether's reported reserves — roughly $47 billion at current supply — would require restructuring to meet these standards, according to the analysis.
Tether's response has been to create a parallel compliance vehicle. USAT (USA₮), announced September 12, 2025 and launched on Ethereum on January 27, 2026, is issued through Anchorage Digital Bank — the only federally chartered crypto bank supervised by the OCC. Cantor Fitzgerald handles reserve custody and primary-dealer settlement. USAT reserves are held in cash and short-duration Treasury instruments.
USAT grew more than sixfold in April 2026 to $140.8 million. It remains 0.08% of USDT's supply. According to Forbes, "Tether's USAT exists so USDT never has to comply" — a dual-track strategy where USAT handles U.S.-regulated demand while USDT continues serving offshore markets without modification.
USDT supply contracted by approximately $3 billion in Q1 2026, its first quarterly decline since 2022.
Circle received OCC approval on July 10, 2026 to establish Circle National Trust, a national digital currency bank under direct federal oversight. Combined with its existing NYDFS trust charter, Circle now operates under a dual regulatory stack purpose-built for the GENIUS Act framework.
The economic implications are measurable:
Circle's IPO (ticker: CRCL) adds a public-market accountability layer that no competitor currently matches. The company's revenue model — earning yield on reserves while charging zero to holders — generates predictable income proportional to supply and prevailing interest rates.
The GENIUS Act effectively codifies what Circle has been building since 2018: a fully regulated, bank-chartered stablecoin issuer operating under federal supervision. Every new compliance requirement raises the barrier for competitors, particularly those operating offshore.
The GENIUS Act did not merely regulate existing stablecoin issuers. It opened a $308 billion addressable market to federally chartered banks, which can now issue payment stablecoins under existing OCC supervision without additional licensing.
JPMorgan's Kinexys platform processes more than $5 billion daily and has settled over $3 trillion in cumulative transactions. JPM Coin, a USD deposit token, launched on Coinbase's Base network in November 2025 — the first major bank to operate a tokenized deposit on a public blockchain. The bank is expanding to the Canton Network throughout 2026. JPMorgan frames these as deposit tokens rather than stablecoins: the tokens stay on the bank's balance sheet, preserving lending capacity within a permissioned client network.
The Clearing House initiative, disclosed in June 2026 by CoinDesk, involves JPMorgan, Bank of America, Citigroup, and Wells Fargo building a shared tokenized deposit network targeting launch in H1 2027. The project converts commercial deposits into tokens for 24/7 interbank transfers, primarily for multinational corporations. Deposits remain on bank balance sheets — a regulatory advantage over stablecoins, which require segregated reserves.
The strategic logic is explicit: banks are building deposit token infrastructure to counter stablecoin networks that threaten to disintermediate traditional payment rails. The GENIUS Act's permission for bank-issued stablecoins provides the regulatory basis; the Clearing House consortium provides the interoperability layer.
According to a Forbes analysis from April 2026, banks are "suddenly targeting" the $323 billion stablecoin market, enabled by the GENIUS Act's clear authorization for bank participation.
The reciprocity determination mechanism is the GENIUS Act's most consequential provision for global stablecoin markets. Treasury must formally certify that a foreign jurisdiction's stablecoin regulations are "substantially similar" to the U.S. framework before any foreign-issued stablecoin can legally reach U.S. customers through regulated channels.
No jurisdiction has received this certification. The EU's MiCA framework, operational since June 2024, is the most developed foreign regulatory regime — but MiCA's requirements differ materially from the GENIUS Act on reserve composition, audit frequency, and redemption mechanics. Whether Treasury will deem MiCA "substantially similar" is an open question that will determine whether European stablecoin issuers can access U.S. markets.
The practical effect: after July 18, 2028, U.S.-based exchanges and wallets cannot offer stablecoins from foreign issuers unless those issuers' home jurisdictions have received reciprocity determinations. This creates a de facto market partition between U.S.-compliant and offshore stablecoin ecosystems.
For DeFi protocols operating without geographic restrictions, enforcement becomes complex. The GENIUS Act targets "digital asset service providers," a term broad enough to capture centralized exchanges but ambiguous when applied to non-custodial smart contracts. The August 17 NPRM does not resolve this ambiguity.
Viewed through an economic value lens, the GENIUS Act restructures how value flows through the stablecoin ecosystem.
Cost of compliance as infrastructure tax. The OCC's proposed licensing requirements — capital adequacy, reserve management, risk controls, regular reporting — represent a permanent cost layer for issuers. For Circle, already compliant, these costs are sunk. For new entrants, they constitute a barrier estimated at tens of millions in annual regulatory overhead. This is functionally identical to the oracle and infrastructure taxes documented in blockchain economic value analysis — a cost ultimately borne by end users through reduced yield pass-through or higher fees.
Reserve assets as Treasury demand. Stablecoin reserves held in short-dated U.S. Treasuries create structural demand for government debt. At $308 billion in total supply and growing, stablecoin reserves already represent a meaningful buyer cohort in the T-bill market. Treasury Secretary Bessent has publicly cited projections of a $3.7 trillion stablecoin market by decade's end. At that scale, stablecoin reserve purchases would rival or exceed demand from some sovereign buyers.
Bank deposit tokens vs. stablecoins. The Clearing House deposit token project represents a fundamentally different value flow from stablecoin issuance. Deposit tokens remain on bank balance sheets, meaning the issuing bank retains lending capacity — the deposits backing tokens can be rehypothecated through fractional reserve banking. Stablecoin reserves, under the GENIUS Act, must be fully backed and segregated. This difference creates asymmetric economics: banks can earn spread income on deposit token reserves while stablecoin issuers cannot lend against theirs.
On-chain fee revenue implications. Stablecoin transactions generated $28 trillion in raw on-chain volume in Q1 2026 alone. Even at near-zero per-transaction fees, this volume produces meaningful gas revenue for underlying blockchains — a dynamic the GENIUS Act's compliance requirements may concentrate toward fewer, larger issuers operating on fewer chains, potentially reducing fee fragmentation.
The GENIUS Act's rulemaking phase transforms stablecoins from a regulatory gray zone into a licensed financial activity in the United States. The August 17 NPRM fills in the critical definitions — who counts as an issuer, what constitutes issuance, and where the U.S. geographic boundary falls — that will determine market access for the $308 billion stablecoin sector.
The competitive map is already shifting. Circle holds the federal charter. Tether runs a dual-track strategy. Banks are building parallel infrastructure. PayPal and Ripple hold state-level authorizations. The January 2027 and July 2028 deadlines will test whether offshore issuers can obtain reciprocity or whether the U.S. market bifurcates into compliant and non-compliant corridors.
The economic reality is that compliance itself becomes an infrastructure cost — one more layer in the value chain between end users and the financial utility they seek. Whether that cost produces proportional stability and consumer protection, or merely raises barriers to entry while concentrating market share among incumbents, will depend on how Treasury, the OCC, and state regulators exercise the discretion the GENIUS Act grants them. The comment period closes October 19, 2026.