Polymarket has initiated a comprehensive marketing campaign in the U.S. to regain trust following a four-year ban. The company, which re-entered the U.S. market after acquiring QCEX and launching a mobile trading app, is focusing on persuading policymakers, regulators, and users of its reliability. Polymarket is leveraging social media influencers and has partnered with major sports teams, Major League Baseball, and news outlets like CNBC and CNN to enhance its credibility. Dan Lee, head of U.S. operations, emphasized the importance of these efforts in an interview, noting that the company's international business often overshadows its U.S. progress. Polymarket's social media presence has grown significantly, with its X account amassing 1.7 million followers, compared to rival Kalshi's 431,400 followers. The campaign aims to solidify Polymarket's position in the U.S. market despite past challenges.