Polymarket states that the security incident reported by ZachXBT was due to an internal ...

Bitget • May 22, 2026

According to ChainCatcher, Polymarket staff member Shantikiran Chanal posted on X platform stating that they have taken note of a security report related to reward distribution, and that user funds and market settlements are in a safe state. The investigation points to a private key leak in a wallet used for internal operations, rather than an issue with contracts or core infrastructure. More updates will be released subsequently.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Polymarket Faces Security Incident Due to Internal Wallet Key Leak Polymarket has reported a security incident involving a private key leak from an internal operational wallet. The leak has resulted in the draining of over $520,000 from the Polymarket UMA CTF Adapter contract on the Polygon network. Despite the incident, Polymarket staff, including Shantikiran Chanal, assured users that their funds and market settlements remain safe. The investigation confirmed that the issue is not related to the platform's contracts or core infrastructure. Further updates are expected as the investigation continues. 2 sources 52

Polymarket states that the security incident reported by ZachXBT was due to an internal ...

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