The cross-chain protocol halted activity after the exploit, underscoring how bridges remain among DeFi’s most exposed and repeatedly targeted attack surfaces.
Allbridge froze operations after a flash loan attack drained roughly $1.65 million from the cross-chain protocol. The incident highlights the persistent security risks around bridges, which move assets between blockchains and have repeatedly been targeted in DeFi (decentralized finance) because they concentrate liquidity and rely on complex smart contract (self-executing blockchain code) designs.