Across Protocol ethernet cross-link agreement enables assets to be transferred more quickly and securely from L2 to ethernet main network. Across has established a fund pool on the ethernet. Cross-chain users will receive funds immediately after submitting cross-chain requests, while users who provide liquidity for the fund pool will be rewarded. The Optimistic Oracle of UMA, a decentralized financial contract agreement, is used to ensure the speed and security of assets across chains.