
AFX Trade lost $24.15M in USDC after an Arbitrum bridge attack. The hacker swapped to ETH and consolidated funds. SlowMist tracks the wallet as investigators work with Zellic.
AFX Trade, a decentralized exchange for crypto and stock perpetuals, lost about $24.15 million in USD Coin (USDC) after an attack on its Arbitrum bridge.
The attacker moved the stolen funds from Arbitrum to Ethereum, then swapped the USDC for 12,467.44 ETH worth roughly $24.16 million. Converting the frozen USDC to ETH allowed the hacker to transfer the assets across platforms. After consolidating the ETH into one wallet, no further large withdrawals occurred.
The attacker's Ethereum wallet is now public. Blockchain analysts can track any movement of the assets.
AFX traced the source of the lost funds to a single Ethereum account. The exchange suspended all bridge activity and activated its incident response plan. It is working with blockchain security firms to monitor the stolen tokens.
SlowMist reported the stolen funds remain in the attacker's wallet. That allows the Crypto Defense Alliance (CDA) and several exchanges to watch for future moves.
Zellic, which audited the bridge code, joined the investigation. AFX also extended a white hat settlement offer and continues to trace the assets.
The attack hit a third-party bridge, not Arbitrum's native bridge. The investigation into the exact method is ongoing.
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