Overview
Arbitrum One is a leading Ethereum Layer 2 focused on scaling smart contracts with lower fees while inheriting Ethereum security.
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Blockchain Detail
Arbitrum One
Arbitrum One is a leading Ethereum Layer 2 focused on scaling smart contracts with lower fees while inheriting Ethereum security.
Chain ID42161
Updated2026-03-21
Team
Arbitrum is created by Offchain Labs and supported by the wider Arbitrum ecosystem and governance community.
Chain ID
42161
Official website
Open websitehttps://arbitrum.io/
Official docs
Open docshttps://docs.arbitrum.io/