New York Attorney General Letitia James has sued Coinbase, alleging that its sports event contracts amount to unlicensed gambling in the state. She seeks a court order requiring monetary penalties, forfeiture of alleged illegal profits and restitution; Coinbase had not responded to a request for comment.
The case challenges whether Coinbase can offer sports event contracts in New York without a state gaming licence.
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An Ingham County Circuit Court judge ordered Kalshi to temporarily stop offering sports-event contracts to Michigan residents, following a lawsuit by Attorney General Dana Nessel. The order requires the company to use effective geolocation controls and warns of possible sanctions of US$120,000 per day for non-compliance.
Wisconsin’s Department of Justice has sued prediction market platforms, alleging that their sports event contracts enable illegal sports gambling under state law. The companies named include Crypto.com, Polymarket, Coinbase, Robinhood and Kalshi; Wisconsin Attorney General Josh Kaul said the contracts amount to sports bets.
Nevada’s Gaming Control Board filed a civil enforcement action against Coinbase Financial Markets in Carson City court on 2 February 2026, the Board said. It asked the court to stop contracts it says amount to unlicensed wagering being offered to Nevada residents. Coinbase’s vice president of litigation argued that the state lacks authority over the products.
Robinhood and Polymarket filed separate federal lawsuits seeking to stop Missouri officials from enforcing gambling laws against their sports event contracts. Both argue that federal commodities law gives the Commodity Futures Trading Commission exclusive jurisdiction; Missouri Attorney General Catherine Hanaway has separately filed counterclaims alleging Novig violated federal and state laws.
Robinhood and Polymarket filed separate federal lawsuits seeking to stop Missouri officials from applying gambling laws to their sports event contracts. Both companies argue that the Commodity Futures Trading Commission (CFTC) has exclusive jurisdiction over the products, rather than state gambling regulators.
Kalshi sued Louisiana officials in federal court on 23 October, seeking to block enforcement against its sports event contracts. The company argued that the state’s new law criminalising unauthorised computer gambling and officials’ actions threaten its federally regulated products; the Louisiana Gaming Control Board said it does not comment on pending cases.