Blockchain investigator ZachXBT has uncovered an alleged security breach involving Polymarket, the world’s largest decentralized prediction market platform.
More than $520,000 was reportedly withdrawn from two smart contracts on the Polygon blockchain, according to on-chain data shared by ZachXBT. The affected addresses are 0x871D7c0f9E19001fC01E04e6cdFa7fA20f929082 and 0x91430CaD2d3975766499717fA0D66A78D814E5c5, with funds allegedly sent to the attacker’s address. 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91.
Polymarket developers said the company was aware of reports related to its rewards payment system in an article on Further updates are expected.
Mudit Gupta, CTO of Polygon Labs, also commented on the incident, saying:
“Polymarket contracts are safe. User funds are safe. Looks like their market initializer has been compromised. No impact on users or contracts.”
Polymarket has yet to release an official statement from its main X account. CoinDesk has contacted the company for additional comment. The incident comes amid increased scrutiny of decentralized financial platforms.
