During Coinbase’s third-quarter earnings call, CEO Brian Armstrong acknowledged he was distracted by a prediction market tracking which words would be spoken. He took the opportunity to mention terms like Bitcoin, Ethereum, Blockchain, Staking, and Web3, allowing some bettors on platforms like Kalshi and Polymarket to profit. About $84,000 had been wagered on whether these words would come up in the call, highlighting the growing interest in prediction markets, even if they remain a niche. Critics, including Jeff Dorman, CIO of Arca, expressed outrage at Armstrong's actions, suggesting that it undermines the credibility of the cryptocurrency industry. Dorman argued that such manipulation harms the educational efforts aimed at institutional investors. Polymarket labeled Armstrong's comments as "diabolical," reflecting broader concerns about ethics in prediction markets. Coinbase is working to support these markets through its Everything Exchange and has invested in Kalshi and Polymarket, but the company maintains that employees are barred from participating in prediction activities related to Coinbase. After the backlash, Armstrong downplayed the incident on social media, claiming it was a spontaneous moment triggered by a team member. His flippant response has only intensified discussions about the implications of executive involvement in prediction markets and the potential for market manipulation.