Woofun AI reports that the Arbitrum ecosystem protocol AFX experienced a security breach targeting its cross-chain bridge at 5:30 AM Beijing time. Approximately 24.15 million USDC was stolen during the incident. Blockaid stated it is collaborating with the Arbitrum team to manage the response, engage affected protocols, and assist in freezing the stolen assets. Offchain Labs co-founder Steven Goldfeder confirmed on X that the Arbitrum team is investigating reports of the attack. He clarified that the compromised transactions originated from a third-party protocol and emphasized that the Arbitrum native bridge was not exploited. The team plans to coordinate with the third-party developers to provide further details.