Nevada Moves to Block Coinbase Prediction Markets After Polymarket Ban

Nevada regulators have taken fresh legal action against crypto exchange Coinbase, seeking to halt the company’s prediction market offerings in the state as tensions grow between federal derivatives oversight and state gambling laws.

The Nevada Gaming Control Board on Monday filed a civil enforcement complaint against Coinbase Financial Markets in Carson City, requesting a permanent injunction, declaratory relief, and an emergency temporary restraining order.

Regulators argue the platform is offering event-based contracts tied to sports and elections without the state gaming licenses required under Nevada law.

Nevada Says Coinbase Prediction Markets Violate State Gaming Law

Coinbase introduced prediction market trading to US users last month through a partnership with Kalshi, a federally regulated designated contract market overseen by the Commodity Futures Trading Commission.

Nevada officials, however, say contracts linked to sporting outcomes and elections constitute wagering activity and therefore fall under state gaming rules rather than federal derivatives jurisdiction.

The board also alleges the Coinbase app permits users aged 18 and older to trade event contracts, below Nevada’s legal gambling age of 21.

In court filings, regulators said the company’s continued operation creates “serious, ongoing, irreparable harm” and gives Coinbase an unfair advantage over licensed sportsbooks that must meet strict compliance, tax, and physical-location requirements.

The dispute arrives amid a broader legal clash between Coinbase and several US states.

The exchange recently filed federal lawsuits against gaming regulators in Connecticut, Michigan, and Illinois, arguing that prediction markets fall exclusively under CFTC authority and that state enforcement efforts unlawfully restrict innovation.

Those states had issued cease-and-desist notices accusing prediction platforms of unlicensed sports wagering.

Nevada officials maintain their responsibility is to protect consumers and preserve the integrity of the state’s gaming industry.

Board chairman Mike Dreitzer said enforcement action was necessary to uphold those obligations as new digital betting-style products enter the market.

Nevada Escalates Crackdown on Prediction Market Platforms

The latest case follows a string of enforcement moves against prediction market operators. Nevada previously pursued action against Kalshi over sports-related contracts, triggering a legal battle that remains under appeal.

More recently, a state court granted a temporary restraining order blocking Polymarket from offering event contracts to Nevada residents for two weeks, signaling judicial willingness to side with state regulators despite federal derivatives oversight claims.

Last month, Kalshi opened a new office in Washington, D.C., as it ramps up efforts to shape federal and state policy amid growing scrutiny of its products across the United States.

The company also hired veteran political strategist John Bivona as its first head of federal government relations.

Meanwhile, a new legislation to limit the interactions between government officials and the prediction markets is being supported by more than 30 Democrats in the US House of Representatives, including former Speaker Nancy Pelosi.

The lure behind new restrictions is a controversial Polymarket bet, which started as a bet of $32,000 but eventually became more than $400,000 shortly before the unexpected detention of Venezuelan President Nicolás Maduro.

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