Blockchain researcher ZachXBT has highlighted a suspected security breach involving Polymarket, the world’s largest decentralized prediction market platform.
According to on-chain data shared by ZachXBT, more than $520,000 was mined from two smart contracts on the Polygon blockchain. The affected addresses are 0x871D7c0f9E19001fC01E04e6cdFa7fA20f929082 and 0x91430CaD2d3975766499717fA0D66A78D814E5c5, with funds allegedly sent to the attacker’s address. 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91.
Polymarket developers said the company is aware of reports related to its rewards payment system in a post on More updates are expected.
Polygon Labs CTO Mudit Gupta also commented on the incident and stated:
“Polymarket contracts are safe. User funds are safe. It appears their market initializer was compromised. There is no impact to users or contracts.”
Polymarket has yet to issue an official statement from its main X account. CoinDesk has reached out to the company for additional comment. The incident comes amid increased scrutiny of decentralized financial platforms.
