{"id":"tp-17479","type":"article-newspaper","title":"Columbia Study Reveals Widespread Wash Trading on Polymarket’s Blockchain Prediction Platform","author":"Riza Dagoc","publisher":"TOKENPOST Inc.","url":"https://www.tokenpost.com/news/investing/17479","datePublished":"2025-11-07T23:57:27.000Z","dateModified":"2025-11-07T23:57:27.000Z","language":"en","abstract":"New research from Columbia University suggests that Polymarket, one of the largest blockchain-based prediction markets, may have seen up to 25% of its historical trading volume artificially inflated through wash tradi…","section":"Investing","references":[]}