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Polymarket: ZachXBT Reports Security Incident Related to Internal Operational Wallet ...

Odaily.News • May 23, 2026

Polymarket staff member Shantikiran Chanal posted on platform X, stating that they have taken note of the security reports related to reward distribution, and that user funds and market settlements remain safe. The investigation indicates that a private key leak occurred in a wallet used for internal operations, and the issue is not related to contracts or core infrastructure. Further updates will be provided.

report: ZachXBT stated that the Polymarket UMA CTF Adapter contract allegedly came under attack on Polygon, with over $520,000 having been drained.

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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

Extracted Entities

Polymarket: ZachXBT Reports Security Incident Related to Internal Operational Wallet ...

The full story

Extracted Entities

Attack Types (1)

Companies (2)

MITRE ATT&CK (1)