THE BLOCK: Over the past year, lawmakers have increasingly voiced concerns about insider trading in prediction markets. The debate sharpened after a former White House teleprompter operator and ex-Rep. George Santos placed bets on the State of the Union event attendance. But Kalshi CEO Tarek Mansour says the platform’s transparency makes it easier to identify bad actors. "You're committing crime in broad daylight," Mansour said at DC Fintech Week.