CryptoSlate
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00:55 Nov 01, 2025
Brian Armstrong wrapped Coinbase’s third-quarter earnings call on Oct. 30, with a line that instantly resolved live prediction market contracts on Polymarket and Kalshi. The episode sparked debates about whether the industry’s most visible CEO had just mocked a niche betting venue or crossed a line that regulated financial executives shouldn’t approach. Armstrong said in […] The post When the CEO reads the script: Did Coinbase Brian Armstrong manipulate a market? appeared first on CryptoSlate.