According to @VanessaGrellet_, Coinbase has filed lawsuits against Michigan, Illinois, and Connecticut related to prediction market oversight (source: @VanessaGrellet_ on X, Dec 19, 2025). The post confirms the states involved and the regulatory focus on prediction markets, providing a dated legal headline for market participants following Coinbase’s regulatory exposure (source: @VanessaGrellet_ on X, Dec 19, 2025). The post does not include court identifiers, docket numbers, or pricing impacts, indicating that only the existence of the lawsuits and the issue area are confirmed at this time (source: @VanessaGrellet_ on X, Dec 19, 2025).