Base ChainArbitrum OneThe flagship L2 chain is decentralized and permissionless, deriving security from Ethereum while leveling up what it can do.
Data AvailabilityArbitrum AnyTrustArbitrum AnyTrust offers best-in-class security, relying on a trust-minimized Data Availability Committee (DAC) which keeps data offchain. By doing so, Arbitrum AnyTrust can provide ultra-low fees for chains that opt-in. If the committee is unable to sign, the chain can still operate by falling back to a standard rollup protocol.
StackArbitrum NitroArbitrum Nitro rollups boast whitelisted fraudproofs, incredibly cheap gas costs, stateful precompiles, and performant WASM smart contract deployment through Arbitrum Stylus.