A rapid drain of POL tokens from Polymarket accounts on May 22 triggered widespread concern among users who suspected a smart contract hack on the prediction market platform. On-chain investigators first flagged the unusual movement, prompting public alerts across crypto communities. Polymarket-linked accounts later clarified the incident did not stem from a contract vulnerability and confirmed that user funds and ongoing market resolutions remained unaffected. While the team ruled out the most feared scenario, the nature of the drain — potentially linked to a private key compromise — raised questions about operational security. The episode highlights the risks prediction market platforms face as on-chain activity grows more closely monitored by the broader crypto community.
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