ZachXBT flags $520K Polymarket exploit on Polygon, team says funds are safe

Blockchain investigator ZachXBT has highlighted a suspected security breach involving Polymarket, the world’s largest decentralized prediction market platform....
Key takeaways
- 1ZachXBT flagged a $520,000 drain from two Polymarket smart contracts on Polygon blockchain.
- 2Polymarket confirmed private key compromise of internal rewards wallet, not core protocol breach.
- 3User funds and market resolutions remain safe according to Polymarket developers and Polygon Labs CTO.
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Why it matters
This incident highlights security risks in DeFi platforms that Indian retail investors use for prediction markets. It demonstrates why private key management and operational security matter even when user funds remain protected, especially amid India's recent crackdown on prediction market platforms.
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