Judge Katherine Polk Failla of the Southern District of New York dismissed the second amended complaint in Risley v. Universal Navigation Inc. with prejudice, meaning the plaintiffs cannot refile. The ruling clears Uniswap Labs, CEO Hayden Adams, the Uniswap Foundation, and three venture capital backers including a16z, Paradigm, and a third unnamed backer of all remaining claims. UNI, the protocol's governance token, gained roughly 6% on the day of the ruling and was trading near $3.92 to $3.97.

How the Case Got Here

Retail investors filed the original lawsuit in April 2022, alleging they lost money on fraudulent ERC-20 tokens (a standard format for tokens on Ethereum) and rug pulls traded through Uniswap. A rug pull occurs when token creators drain liquidity and abandon a project, leaving investors with worthless holdings. The plaintiffs argued that Uniswap operated as an unregistered securities exchange, collected fees from fraudulent token activity, and should have screened tokens for fraud. They also advanced a "control person" liability theory, contending that Uniswap should be held responsible as a controlling party over scam token issuers, a theory the court ultimately rejected as part of the comprehensive dismissal.

Judge Failla issued an initial dismissal of federal securities claims in August 2023, writing that holding Uniswap liable would be like "holding Venmo or Zelle liable for a drug deal." She noted that "the identities of the Scam Token issuers are basically unknown and unknowable" given the protocol's decentralized structure. On February 26, 2025, the U.S. Court of Appeals for the Second Circuit upheld that dismissal and vacated and remanded the remaining state-law claims to the district court for review. The appellate court also found that promotional tweets by CEO Hayden Adams were "too attenuated" from plaintiffs' purchases to constitute solicitation, a significant appellate finding that further narrowed the grounds for liability. The March 2 ruling now disposes of those state claims as well, on grounds that plaintiffs failed to show actual knowledge of fraud, deceptive conduct under consumer protection statutes, or unjust enrichment.

According to Crypto Economy's coverage of the 2026 ruling, Judge Failla reiterated her earlier reasoning, writing that "it defies logic to hold the drafter of smart contract code liable for misuse by third parties operating on an open protocol."

What Uniswap Said

Hayden Adams posted a pointed response on X: "If open source smart contract code is used by scammers, the scammers are liable, not the open source devs. Good, sensible outcome." Brian Nistler, Uniswap Labs' General Counsel and Head of Policy, called the decision "another precedent-setting decision for decentralized finance," adding: "The court again rejected attempts to hold developers liable for third-party misuse of open-source code."

The Protocol's Current Scale

The ruling arrives as Uniswap continues to operate at significant scale. Uniswap V3 holds approximately $1.6 billion in total value locked across 41 blockchains, according to DeFiLlama. Uniswap V4, launched in early 2025, surpassed $100 billion in cumulative trading volume and crossed $1 billion in TVL within 177 days of launch. The protocol generates roughly $904 million in annualized fees and controls between 50% and 65% of weekly decentralized exchange volume across tracked decentralized exchanges.

What This Means Outside the United States

The ruling carries particular weight in markets where retail crypto adoption is high but regulatory protections remain thin.

In India, regulators drafting the COINS Act 2025 and its proposed Crypto Assets Regulatory Authority are actively debating whether DeFi protocols should be treated as regulated exchanges, who should bear liability for fraud, and whether a given protocol should be classified as centralized or decentralized in practice. Indian officials have signaled that a project's claim to be decentralized is not automatically accepted; the degree of decentralization must be demonstrated in practice. The U.S. ruling offers a legal framework for that analysis, even though Indian courts are not bound by American precedent. India's existing 30% flat tax on crypto profits and 1% tax deducted at source regime already treat DeFi users similarly to centralized exchange users for tax purposes, signaling a regulatory posture that may diverge from the U.S. court's reasoning. For developers building on open-source DeFi infrastructure in India, the outcome reinforces the argument that writing permissionless code is not the same as running an exchange.

Across sub-Saharan Africa, the implications are more complicated. Nigeria's Investment and Securities Act, updated in April 2025, classified digital assets as securities and placed virtual asset service providers under SEC oversight. Kenya passed its VASP Bill in October 2025, requiring licensed exchanges to follow KYC and anti-money laundering rules, with licensing authority assigned to the Capital Markets Authority. Ghana's Bank of Ghana is expected to finalize its own crypto regulations later in 2026. Each of these frameworks is primarily designed around centralized platforms. The Uniswap ruling highlights a regulatory gap: truly decentralized protocols may be legally unreachable even as the scam token problem grows.

The scale of that problem is not small. More than 300,000 scam tokens have been identified globally, over 2 million investors have lost money to rug pulls, and losses in early 2025 reached approximately $6 billion, up from around $90 million in early 2024. More than 62% of new meme coins launched in 2025 showed characteristics of potential rug pulls. In markets across South Asia and Africa, where pseudonymous scammers are especially difficult to trace and where language barriers compound the difficulty of identifying and reporting scams, the core logic of the Uniswap ruling places the legal burden on victims to pursue the fraudsters directly, with no recourse against the protocol.

What Comes Next

The ruling strengthens the legal position of open-source DeFi developers in U.S. courts and removes a significant liability overhang for institutional investors considering exposure to DeFi infrastructure. Critics and consumer advocates note that the ruling does not resolve the underlying scam token problem or create any new investor protections. Regulators in India, Nigeria, Kenya, and Ghana will need to decide whether to adopt similar reasoning or chart a different path, one that may be harder to enforce in practice against protocols that operate without a central operator.

Looking ahead, some legal analysts and industry observers note that protocol-level curation pressure may increase through governance mechanisms or front-end operators rather than through legal mandate. Decentralized autonomous organizations and interface providers could face mounting social and governance pressure to blacklist known scam tokens even without any court or regulator requiring them to do so, making the next frontier of scam token accountability a question of community governance rather than courtroom liability.