The Chicago Mercantile Exchange (CME) has taken the unusual step of suing its regulator, the Commodity Futures Trading Commission (CFTC), marking a rare legal confrontation in the financial sector. This unprecedented move was discussed on the "DEX in the City" podcast, where experts explored the implications of this legal battle. CME's lawsuit centers on two main arguments, with a focus on the definition of "future delivery," a point that could potentially escalate to the Supreme Court. The case highlights the complexities of regulatory processes and the durability of legal frameworks in the rapidly evolving crypto landscape. Additionally, the podcast touched on how the Kalshi order has influenced the market by opening doors for self-certified perpetual contracts.