Coinbase CEO Brian Armstrong trolls the prediction markets

TechCrunchSaturday, November 1, 2025 at 4:59:08 PM
Coinbase CEO Brian Armstrong recently took to social media to highlight the vulnerabilities in prediction markets like Kalshi and Polymarket. While some users may have profited from his insights, Armstrong's actions also underscore the ease with which these markets can be manipulated, raising concerns about their integrity and reliability. This matters because it calls into question the trustworthiness of platforms that many rely on for financial decisions.
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Brian Armstrong ended Coinbase's Q3 earnings call by saying certain words that Kalshi and Polymarket users had wagered would be mentioned during the call (Bloomberg)
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During Coinbase's Q3 earnings call, CEO Brian Armstrong mentioned specific words that users of prediction markets Kalshi and Polymarket had bet would be said. This incident highlights the intriguing intersection of corporate communications and prediction markets, showcasing how investors and traders engage with real-time events. It raises questions about the reliability and influence of such markets in forecasting corporate outcomes.
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Coinbase CEO Brian Armstrong trolls the prediction markets
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