Polymarket Restores Trading After Hack Drains an Estimated…
By Karthik Subramanian
AI summary of the source article
Polymarket restored trading after an October 29, 2026, security breach resulted in an estimated $2.7 million being stolen from international platform users. The company resolved the issue linked to a compromised third-party script and pledged to fully reimburse affected customers.
Why it matters
Together, the incidents highlight the risks associated with external software integrated into cryptocurrency trading interfaces. Even when smart contracts remain secure, compromised browser scripts can potentially exploit authenticated sessions and existing transaction permissions.
Key facts
- Blockchain intelligence firm Bitquery identified approximately $2.73 million in unauthorized withdrawals affecting 737 accounts.
- The breach was linked to compromised JavaScript tools from third-party monitoring firm DebugBear targeting authenticated user sessions.
- Polymarket referred the incident to UK law enforcement and promised to fully reimburse affected users.
Source excerpt · FinanceFeeds
Prediction market operator Polymarket has restored trading after a security breach on October 29, 2026, resulted in an estimated $2.7 million being stolen from hundreds of users of its international platform. Blockchain intelligence firm Bitquery identified approximately $2.73 million in unauthorized withdrawals affecting 737 accounts within a one-hour period. Other investigators estimated losses…