The U.S. Office of the Comptroller of the Currency has finalized rules for implementing the GENIUS Act’s stablecoin framework, setting Jan. 18, 2027, as the effective date for a regime that would allow banks and qualifying non-bank companies to operate payment stablecoin businesses under federal standards.
The rule establishes supervisory expectations for issuing payment stablecoins, holding reserve assets, custody arrangements and relationships with overseas issuers. It gives firms a defined route into a federally regulated market that has largely operated through state licensing, offshore structures and a patchwork of agency oversight.
Under the framework, payment stablecoin issuers must maintain reserves in highly liquid assets, including cash and U.S. Treasury bills with a remaining maturity of 93 days or less. The requirement is designed to ensure that tokens marketed as redeemable at a fixed value can meet redemptions without relying on longer-dated securities or riskier instruments that may be harder to sell during market stress.
Occ drops presumption on third-party arrangements
The final rule softened one of the more contentious parts of the original proposal. The OCC removed language that would have presumed certain commercial arrangements between a stablecoin issuer and third parties were unlawful.
That change does not remove the GENIUS Act’s prohibition on issuers directly paying interest to stablecoin holders. Rather, the OCC said it will evaluate issuer relationships with third parties individually and can pursue enforcement action if an arrangement is structured to evade the statutory ban.
The distinction could shape how stablecoin companies work with exchanges, wallets, payment apps and other intermediaries. A blanket presumption against particular arrangements could have restricted commercial partnerships before regulators examined their economic substance. Case-by-case supervision gives the OCC more room to distinguish ordinary distribution or rewards programs from structures that effectively pass reserve yields through to token holders.
The rule also places overseas stablecoin issuers within a clearer compliance perimeter when they seek access to the U.S. market. Foreign issuers and their U.S.-based partners will face standards tied to reserves, redemption practices and custody, reducing the scope for companies to serve American users while keeping the core issuer beyond domestic supervisory reach.
Federal framework arrives as stablecoin infrastructure accelerates
The OCC’s timetable gives banks and non-bank applicants more than a year to prepare licensing applications, reserve-management systems and compliance controls before the rule takes effect. For established financial institutions, the structure could make stablecoin issuance easier to assess internally because it ties the business to familiar concepts: capital, liquidity, custody, risk management and examination.
For crypto-native issuers, the burden may be higher. Firms built around offshore entities, reserve portfolios with broader asset exposure, or commercial models linked to yield-sharing would need to determine whether they can adapt their operations to U.S. requirements.
The final rule also arrives as blockchain networks race to make settlement fast enough for payment and trading applications that compete with conventional financial infrastructure.
Solana activated Alpenglow, its first major consensus upgrade, on mainnet at roughly 13:54 UTC on Wednesday. The upgrade is intended to reduce transaction finality — the point at which a transaction is considered irreversible — from about 12.8 seconds to roughly 150 milliseconds.
Its first phase introduces Votor, which replaces Solana’s earlier voting and final-confirmation process with direct validator voting and a certificate-based system. Solana reported mainnet finality of 6.6 seconds and throughput of 4,721 transactions per second at launch, showing that the network’s initial performance remained above the longer-term 150-millisecond target.
A later Alpenglow phase is expected to introduce Rotor, a block-distribution protocol intended to replace Turbine. Faster finality would improve the user experience for on-chain payments, decentralized exchanges and other applications where delays can create execution risk, though network speed alone does not resolve regulatory, liquidity or custody constraints.
Regulatory activity extends beyond the United States
In the United Kingdom, the Financial Conduct Authority has opened consultations on anti-money-laundering and financial-crime compliance for decentralized finance firms, along with a proposed exemption approach for certain crypto assets following legislative changes.
The FCA said its DeFi guidance is intended to clarify how existing rules apply rather than create an entirely new policy regime. That framing reflects a difficult issue for decentralized protocols: regulators are increasingly focused on the people and businesses that develop, operate, promote or provide access to systems, even where the underlying software is designed to run without a conventional financial intermediary.
In the United States, Vault12 submitted a letter to the Securities and Exchange Commission on Tuesday arguing that the agency’s proposed token safe-harbor framework does not offer centralized exchanges enough assurance about a token’s eventual legal status.
Vault12 said it raised $17.45 million from 38 participants in 2018 through a Simple Agreement for Future Tokens, or SAFT, and has not listed its Vault Guardian Token on a centralized exchange. The company said exchanges it contacted wanted confirmation that the SEC would not later argue the token remained subject to the original investment contract.
Lighter, meanwhile, plans to apply to the Commodity Futures Trading Commission in November for both designated contract market and derivatives clearing organization licenses, according to remarks by Novakovski during a third-quarter meeting. The two licenses would cover a regulated venue for derivatives trading and the clearing function that stands behind those trades. Novakovski said the CFTC review period can run as long as 280 days after an application is submitted.
Security risks remain immediate
Regulatory progress and faster blockchains do not reduce the need for basic software security. Two severe vulnerabilities in the PHP programming language disrupted government websites in parts of Europe and other regions on Wednesday. The PHP development team disclosed the flaws Tuesday, urged users to update when patches became available, and released a patched version the following day.
For companies operating crypto services, PHP flaws can affect public websites, account portals, payment pages and backend systems even when wallet infrastructure itself is separate. The incident is a reminder that stablecoin and blockchain businesses remain dependent on ordinary web infrastructure whose vulnerabilities can interrupt services or expose users to risk.
The OCC’s stablecoin rule therefore arrives amid a more demanding operating environment: issuers will need compliant reserves and governance, networks are reducing settlement delays, and service providers face rising expectations from regulators and persistent threats from conventional software weaknesses.
For deeper context on these new U.S. stablecoin standards, explore our analysis in this detailed GENIUS Act breakdown.
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