Josh, a representative from the prediction market Polymarket, stated that neither Polymarket nor UMA contracts were exploited, all user funds are secure, and usage of Polymarket.com remains unaffected with platform operations continuing normally. He also noted that the incident stemmed from the compromise of a six-year-old private key used for internal deposit configurations, which resulted in funds being sent to the associated address. Polymarket has since rotated this key, revoked all production environment permissions, and will migrate all private keys to a KMS key management system.
Polymarket Rotates Key and Revokes All Production Permissions Following Leak of 6-Year-Old Private Key
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Polymarket disclosed on-chain news that a six-year-old private key used for internal recharge settings was compromised, resulting in funds being transferred to related addresses. The platform confirmed no exploitation of Polymarket or UMA contracts, and user funds remain secure. Operations on polymarket.com are unaffected. The team has rotated the key, revoked all production permissions, and will migrate keys to a KMS system. Crypto news outlets such as TechFlow reported the incident.
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