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Former Ethereum Foundation Official Sues Vitalik Buterin…

By Karthik Subramanian

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AI summary of the source article

Former Ethereum Foundation official Kayleen Fulton has filed a federal lawsuit against the organization, Vitalik Buterin, and other defendants, alleging wrongful termination, workplace retaliation, and disability discrimination following her April dismissal.

Why it matters

The lawsuit introduces legal scrutiny of the foundation's internal governance during a period of organizational restructuring.

Key facts

  • Kayleen Fulton filed a federal lawsuit in Colorado against the Ethereum Foundation, Vitalik Buterin, and others alleging wrongful termination and discrimination.
  • Fulton was dismissed on April 6 after co-organizing an employee letter opposing coercive conditions tied to the foundation's revised organizational mandate.
  • The complaint also alleges Fulton was fired less than two weeks after disclosing an ovarian cancer diagnosis, without being provided medical leave information or accommodations.

Source excerpt · FinanceFeeds

Former Ethereum Foundation official Kayleen Fulton has filed a federal lawsuit against the organization, Ethereum co-founder Vitalik Buterin and several other defendants, alleging wrongful termination, workplace retaliation, disability discrimination and violations of medical leave protections. Fulton, known in the Ethereum community as Nixo, filed her complaint on November 4, 2026, in the U.S. Di…