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Polymarket Halts Trading After Hack

Polymarket suspended international trading after a security breach.

New York Editorial News Desk October 30, 2026 1 min read

The Brief

  • Polymarket halted trading following a hack.
  • A third-party provider was compromised, according to the company.
  • Trading resumed, with affected traders to be compensated.

Polymarket, a decentralized prediction market platform, suspended international trading after a security breach. The company stated that an unnamed third-party provider was compromised in the incident.

The breach led to the draining of accounts, prompting the company to halt trading temporarily. Polymarket confirmed that the affected traders would be made whole as part of the resolution process.

The company did not specify the extent of the breach or the number of accounts impacted. However, it noted that trading has since resumed, and the issue has been addressed.

Pol, the company emphasized that the third-party provider was not affiliated with the company. The incident highlights the vulnerabilities of third-party systems in maintaining cybersecurity.

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