Wisconsin Sues Kalshi, Polymarket and Other Platforms, Escalating Regulatory Battle Over Sports Prediction Markets

　　BroadChain learned that at 20:48 on April 24, according to Cointelegraph, Wisconsin has filed a lawsuit against Kalshi, Robinhood, Coinbase, Polymarket, and Crypto.com, accusing them of offering sports event contract trading in alleged violation of state gambling regulations. This move marks an escalation in the legal conflict between state-level gambling enforcement agencies and federal regulators over sports prediction markets.