Across is a token bridge on Ethereum that offers exceptional benefits. It utilizes UMA's optimistic oracle for security and ensures capital efficiency through a single liquidity pool, a competitive relayer landscape, and a no-slippage fee model. With its optimistic verification system, Across enables fast cross-chain transfers without compromising on security. Unlike other bridge designs, Across eliminates protocol and finality risks for bridge LPs and users, providing a secure bridging experience.