Polymarket: Market event

Polymarket said one of its third-party providers was breached after users reported seeing their accounts drained.

Evidence boundary

Confidence describes the coverage of the available evidence. It is not a safety rating and does not guarantee that a protocol or asset is safe.

Sources

• https://cryptobriefing.com/polymarket-security-issue-third-party-breach/
• https://www.coindesk.com/markets/2026/10/29/polymarket-suspends-trading-after-third-party-breach-leads-to-user-losses

Record history

First seen: 2026-10-29T18:39:56.000Z. Last updated: 2026-10-31T08:49:43.829Z. Revision: 8.