Kalshi, a prediction market platform, has announced a lifetime ban on ex-Congressman George Santos, marking a significant move as it is the first of its kind for the platform. The decision comes after an investigation concluded that Santos likely engaged in insider trading related to bets placed during a State of the Union event. The ban prohibits Santos from participating in any market activities on Kalshi, with a fine of $71,356 also imposed for his suspicious trading behavior. Santos has become the first individual in history to face such a permanent ban from the platform, which aims to maintain integrity and transparency in its trading practices.