ether.fi Completes weETH Cross-Chain Bridge Security Hardening, Locks LayerZero Multisig and Raises DVN Threshold to 4/4

Gate News message, April 24 — ether.fi has completed protocol-level security hardening for the weETH cross-chain bridge across most deployment chains, with no vulnerabilities identified. The upgrades proactively eliminate potential risks and grant ether.fi full control over all security-related bridge parameters.

Key changes include: locking LayerZero send and receive message libraries, locking the DVN set and raising the threshold to 4/4, and tightening pair rate limits on ether.fi-owned bridge contracts. Following these upgrades, LayerZero's multisig cannot modify weETH bridge configuration on-chain, and every inbound message now requires verification from all four DVNs.

ether.fi plans to evaluate introducing a second independent cross-chain stack beyond LayerZero and will conduct systematic risk assessments across all chains hosting weETH.