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Ethan G. Ostroff

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Ethan’s practice focuses on financial services litigation and compliance counseling, as well as digital assets and blockchain technology. With a long track record of successful litigation results across the U.S., both bank and non-bank clients rely on him for comprehensive advice throughout their business cycle.

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On September 30, 2025, the Office of the Chief Counsel of the Securities and Exchange Commission’s (SEC) Division of Investment Management (the Division) issued a no-action response (the No-Action Letter) stating that it would not recommend enforcement against registered investment advisers (RIAs) or certain regulated funds (i.e., registered investment companies and business development companies) for maintaining crypto assets and related cash and cash equivalents with certain state-chartered financial institutions (state trust companies) so long as particular conditions are met.[1] In doing so, the No-Action Letter permits regulated funds and RIAs to treat state trust companies as “banks” for purposes of the custody requirements of Investment Company Act of 1940, as amended (the 1940 Act), the Investment Advisers Act of 1940, as amended (the Advisers Act) and the rules thereunder.

On September 23, Acting Chairman of the Commodity Futures Trading Commission (CFTC) Caroline Pham announced the launch of an initiative focused on the use of tokenized collateral, including stablecoins, in derivatives markets. This initiative is part of the CFTC’s broader efforts to implement recommendations from the Report authored by the President’s Working Group on Digital Asset Markets.

On September 17, the New York State Department of Financial Services (DFS) issued new guidance on the use of blockchain analytics tools. This new guidance builds upon the blockchain guidance issued by DFS in 2022, and applies to all New York banking organizations and branches and agencies of foreign banking organizations that are licensed by the DFS (covered institutions).

On September 19, the U.S. Department of the Treasury issued an Advance Notice of Proposed Rulemaking (ANPRM) seeking public input on the implementation of the Guiding and Establishing National Innovation for U.S. Stablecoins (GENIUS) Act. This ANPRM builds upon the Request for Comment on Innovative Methods to Detect Illicit Activity Involving Digital Assets issued by Treasury on August 18, which remains open for comment until October 17, 2025.

On September 19, the U.S. Department of the Treasury issued an Advance Notice of Proposed Rulemaking (ANPRM) seeking public input on the implementation of the Guiding and Establishing National Innovation for U.S. Stablecoins (GENIUS) Act. This ANPRM builds upon the Request for Comment on Innovative Methods to Detect Illicit Activity Involving Digital Assets issued by Treasury on August 18, which remains open for comment until October 17, 2025.

On September 19, the U.S. Department of the Treasury issued an Advance Notice of Proposed Rulemaking (ANPRM) seeking public input on the implementation of the Guiding and Establishing National Innovation for U.S. Stablecoins (GENIUS) Act. This ANPRM builds upon the Request for Comment on Innovative Methods to Detect Illicit Activity Involving Digital Assets issued by Treasury on August 18, which remains open for comment until October 17, 2025.

The Report authored by the Presidential Working Group on Digital Assets Markets (PWG), titled “Strengthening American Leadership in Digital Financial Technology,” along with the accompanying fact sheet, outlines several key objectives aimed at positioning the U.S. as a leader in digital asset markets. Among its objectives are reinforcing the role of the U.S. dollar, modernizing Anti-Money Laundering/Countering the Financing of Terrorism (AML/CFT) rules for the digital assets ecosystem, and ensuring fairness and predictability by establishing clear regulatory oversight.

In this episode of The Crypto Exchange, hosts Ethan Ostroff and Genna Garver are joined by their colleague Pete Jeydel to explore the implications of the GENIUS Act on sanctions, anti-money laundering (AML), and efforts to combat the financing of terrorism within the stablecoin sector. The discussion focuses on the act’s goal to create a regulated ecosystem for payment stablecoin issuers, known as PPSIs, by transitioning offshore activities to U.S. jurisdiction. This strategic shift is anticipated to strengthen the government’s capacity to enforce AML and sanctions compliance.

On September 8, Nasdaq took a significant step towards revolutionizing the trading landscape by filing with the SEC to enable trading of tokenized securities listed on its exchange starting in 2026. This move, if approved, will allow securities to be traded in both traditional and tokenized forms, leveraging blockchain technology to enhance market accessibility and efficiency.

The Securities and Exchange Commission (SEC) has unveiled its Spring 2025 Rulemaking Agenda, and it’s clear that the crypto market is a focal point. While some anticipated the new Administration would bring in a period of deregulation, the SEC has a busy agenda now that Congress has starting working on establishing a comprehensive regulatory framework to govern the burgeoning crypto market. The agenda is a significant policy shift from prior rulemaking periods during which the SEC, under former Chair Gensler, focused on private fund advisers and increased disclosure requirements. The agenda is also a testament to the Trump Administration’s commitment to establishing clear guidelines and regulations that will shape the future of digital assets.