Across Protocol has integrated its routing technology into MetaMask's Swap and Bridge features, enabling users to transfer assets across major blockchains such as Ethereum, Solana, BNB Chain, Base, and Optimism directly from the MetaMask wallet. This integration aims to lower transaction costs and enhance speed by utilizing Across's optimistic verification model. The collaboration positions Across to better compete in the bridge market by tapping into MetaMask's extensive user base. Users are encouraged to verify transactions and use the official MetaMask app to mitigate phishing risks.