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Court Dismisses Lawsuit Against Uniswap, Says It Is Not Liable for Token Issuers
Ruling states Uniswap is not responsible for fraudulent tokens traded on its platform
Mar. 3, 2026 at 1:15am
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A federal court in Manhattan has dismissed a class-action lawsuit against Uniswap Labs and its founder Hayden Adams. Plaintiffs argued that the platform should be held liable for fraudulent tokens and pump-and-dump schemes traded through the protocol, but the court ruled that Uniswap is not responsible for the actions of token issuers using its open-source platform.
Why it matters
The ruling sets an important precedent, clarifying that developers of open-source protocols are not liable for fraudulent activities conducted by users of their platforms. This provides legal certainty for decentralized finance (DeFi) projects, which had faced the threat of potential liability issues.
The details
The court emphasized that 'simply creating an environment in which fraud can occur is not equivalent to actively facilitating that fraud.' The judge stated that 'if you write open-source smart contract code and that code is used by scammers, the scammers are responsible, not the open-source developers.' The ruling also noted that 'responsibility lies with the creators and promoters of fraudulent tokens, not with the developers of the open protocol.'
- The case lasted nearly four years.
- The ruling was issued on March 3, 2026.
The players
Uniswap Labs
The company behind the Uniswap decentralized exchange protocol.
Hayden Adams
The founder of Uniswap.
Judge Katherine Polk Failla
The federal judge who presided over the case and dismissed the lawsuit against Uniswap.
What they’re saying
“If you write open-source smart contract code and that code is used by scammers, the scammers are responsible, not the open-source developers.”
— Hayden Adams, Founder of Uniswap
“Simply creating an environment in which fraud can occur is not equivalent to actively facilitating that fraud.”
— Judge Katherine Polk Failla
What’s next
The ruling may serve as a reference point in other cases involving the limits of liability for infrastructure projects in the cryptocurrency and decentralized finance space.
The takeaway
The Uniswap decision reinforces the principle that open-source protocol developers are not responsible for fraudulent activities conducted by users on their platforms. This provides important legal clarity for the decentralized finance industry, which had faced uncertainty around potential liability issues.
