When the Commodity Futures Trading Commission gave Kalshi the green light to offer event contracts on everything from elections to weather, the prediction market startup was hailed as a new frontier for retail traders eager to wager on real-world outcomes. Now, that frontier is looking increasingly lawless, as the company faces scrutiny over alleged insider trading on its platform and questions about whether its compliance infrastructure can keep pace with its ambitions. The controversy centers on a betting market Kalshi hosted around YouTube megastar MrBeast — specifically, a contract asking whether MrBeast would post a video on his main channel by a certain date. According to reporting by The Verge , the contract attracted suspicious trading activity that strongly suggested someone with advance knowledge of MrBeast’s upload schedule was placing bets. The trades were unusually large, timed with precision, and consistently profitable in ways that defied random chance.…