The ANKR Ethereum cross-chain bridge was attacked, with estimated losses revised upward from approximately $292,000 to approximately $304,500.
The attacker submitted five forged cross-chain receipts, each bearing a valid signature from a trusted signer. The bridge authorized five withdrawals without verifying the actual transaction events on the source chain.
The attacker submitted five forged cross-chain receipts, each bearing a valid signature from a trusted signer. The bridge authorized five withdrawals without verifying the actual transaction events on the source chain.