ZachXBT flags $520K Polymarket exploit on Polygon, team says funds are safe
ZachXBT has reported a security breach involving Polymarket, resulting in the loss of over $520,000 from two smart contracts on the Polygon blockchain. The Polymarket team stated that the incident was due to a private key compromise of an internal wallet, assuring users that their funds are safe. Further updates are anticipated as the situation develops.
- ▪ZachXBT flagged a suspected security breach at Polymarket involving over $520,000.
- ▪The incident was attributed to a private key compromise of an internal operations wallet.
- ▪Polymarket developers emphasized that user funds and market resolutions remain safe.
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MarketsShareShare this articleCopy linkX iconX (Twitter)LinkedInFacebookEmailZachXBT flags $520K Polymarket exploit on Polygon, team says funds are safeBlockchain investigator ZachXBT has highlighted a suspected security breach involving Polymarket, the world’s largest decentralized prediction market platform.By Omkar Godbole|Edited by Jamie CrawleyUpdated May 22, 2026, 9:40 a.m. Published May 22, 2026, 9:39 a.m. 1 min readMake preferred on ZachXBT flags an exploit at Polymarket.
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