Balancer Protocol Loses $128M in Multi-Chain Exploit Across Six Networks

Decentralized exchange protocol Balancer lost $128 million on November 3, 2025, in an exploit spanning six blockchain networks. The attack targeted an access control vulnerability in Balancer V2's smart contracts, with Ethereum accounting for $99 million of total losses. The incident prompted Berachain validators to execute an emergency network halt and hard fork.