Post #399343 43 Sep 20, 2026, 04:52 UTC Polymarket's Rush to Grow Left a Door Wide Open for Fraudstershttps://www.wsj.com/business/polymarkets-fraud-regulators-coplan-5f418ab0 The Wall Street Journal Polymarket’s Rush to Grow Left a Door Wide Open For Fraudsters CEO Shayne Coplan brushed off concerns about a scheme involving stolen debit cards. Now the prediction market is bolstering its executive ranks as it eyes an IPO.