Uniswap Shifts Crosschain Governance To Wormhole For Four Chains

Uniswap proposal migrates crosschain governance to Wormhole for Avalanche and MegaETH, replacing deprecated LayerZero v1. Soneium and X Layer v2/v4 contracts transition to CrossChainAccount via OptimismPortal2 aliasing. Nine actions execute after vote. RFC: Jun 26, 2026; Snapshot follows within a week.