Arbitrum

Arbitrum is a leading Ethereum layer-2 scaling solution launched in 2021 by Offchain Labs, using optimistic rollup technology to deliver significantly lower fees and higher throughput while inheriting Ethereum's security guarantees. Headquartered in New York, Offchain Labs has grown Arbitrum into the largest optimistic rollup ecosystem by usage, with total value locked exceeding $3.5 billion across DeFi and other applications.