Polymarket Faces $520K Exploit, Team Assures User Funds Are Safe
ZachXBT flags $520K Polymarket exploit on Polygon, team says funds are safe

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Blockchain investigator ZachXBT reported a security breach at Polymarket, where over $520,000 was drained from two smart contracts on the Polygon blockchain. The Polymarket team confirmed that the incident resulted from a private key compromise, assuring users that their funds and market resolutions remain secure.
- 01The exploit involved the draining of funds from two smart contracts on the Polygon blockchain.
- 02The affected addresses included 0x871D7c0f9E19001fC01E04e6cdFa7fA20f929082 and 0x91430CaD2d3975766499717fA0D66A78D814E5c5.
- 03Funds were allegedly sent to the attacker address 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91.
- 04Polymarket developers emphasized that the issue was due to a private key compromise, not a broader breach.
- 05Mudit Gupta, CTO of Polygon Labs, confirmed that Polymarket contracts and user funds are safe.
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ZachXBT, a blockchain investigator, has flagged a significant security breach involving Polymarket, the largest decentralized prediction market platform, where over $520,000 was drained from two smart contracts on the Polygon blockchain. The incident was attributed to a private key compromise of an internal operations wallet linked to Polymarket's rewards payout system. The affected smart contract addresses are 0x871D7c0f9E19001fC01E04e6cdFa7fA20f929082 and 0x91430CaD2d3975766499717fA0D66A78D814E5c5, with funds reportedly sent to an attacker address, 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91. Despite the breach, Polymarket developers reassured users that their funds and market resolutions remain safe, clarifying that the exploit did not compromise the core infrastructure or broader smart contracts. Mudit Gupta, the CTO of Polygon Labs, echoed this sentiment, stating that the contracts are secure and the incident will not impact users. Further updates from Polymarket are anticipated as the situation develops.
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The breach raises concerns about the security of decentralized finance platforms, potentially affecting user trust and participation.
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