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Welcome to Across
The Bridge Ethereum Deserves.
Across is a cross-chain bridge for L2s and rollups secured by UMA's optimistic oracle. It is optimized for capital efficiency with a single liquidity pool, a competitive relayer landscape, and a no-slippage fee model.
Our one liquidity pool design along with an interest rate fee model allows for lower costs for users and higher yields for liquidity providers. Across keeps the majority of its LP assets on mainnet, where it is most secure, and the protocol operates bots to rebalance between destinations using the canonical bridge. Across’ interest rate fee model is driven by the overall utilization of assets in its single liquidity pool which provides more consistent pricing.
The Across Protocol keeps the majority of the LP assets on L1 mainnet, where it is most secure and maximally efficient.
Across uses third-party relayers that risk their own funds to bridge assets. These relayers can choose to move funds far faster than the origin or destination chain's finality times, allowing for “fast fills.” This means relayers can take calculated risks and compete with each other on speed to fill users' deposit requests.
Across uses UMA’s optimistic oracle to confirm that transactions on all the chains are correct. If there is a transaction that is incorrect, it will be disputed and resolved by UMA tokenholders. It only requires a single honest actor to detect fraud.
Across checks if there are funds about to pass in opposite directions, and instead keeps them on the chain they are already on. Then, instead of waiting for arbitrageurs to fix price imbalances at the cost to the user, Across rebalances automatically every 4-8 hours.
In short, Across is building the bridge Ethereum deserves.
Last modified 1yr ago