The large-scale breach rippled across multiple blockchains – including Ethereum, Base, Optimism, Polygon, Sonic, and Berachain – prompting urgent responses from validators and developers.
Initial on-chain data revealed that attackers moved quickly to swap liquid staking tokens for ETH, indicating a coordinated operation rather than an isolated vulnerability. Security analysts reported the exploit originated from Balancer’s V2 vaults, where a flaw in smart contract permissions allowed hacker