Aggregate 核验溯源 Body 来源：https://www.theblock.co/news/regulation/2026-08-31-kalshi-issues-first-permanent-ban-to-former-rep-george-santos-over-state-of-the-union-trading-413120 Domain Tag fintech Source Name The Block Source URL https://www.theblock.co/news/regulation/2026-08-31-kalshi-issues-first-permanen…