Key facts
- Polymarket temporarily halted trading on its international platform.
- The halt was due to a security incident affecting a third-party provider.
- Trading resumed after about an hour.
- Polymarket will fully reimburse affected traders.
- The incident has been referred to UK law enforcement.
Polymarket temporarily halted trading on its international platform on Thursday due to a security incident that compromised a third-party provider. Trading was paused for about an hour and resumed later that afternoon. The company stated it halted trading out of an abundance of caution after identifying and fixing the issue. Polymarket has promised to fully reimburse any affected traders and has referred the incident to a law enforcement agency in the United Kingdom. Reports have linked the source of the incident to DebugBear, a UK-based company that also reported being impacted by a security incident.