mainnetlayer-2EVM

Arbitrum One

Arbitrum One is an active layer 2 blockchain in the Arbitrum Orbit ecosystem. This profile brings together verified network configuration, developer resources, explorers and ecosystem references.

Last verified 2026-07-17

Website ↗Documentation ↗

Overview

Official network name: Arbitrum One
Alternative names: Not verified
Native currency: Ether (ETH)
Currency decimals: 18
Chain ID: 42161
Network ID: 42161
Status: mainnet
Architecture: layer-2
Parent / settlement layer: ethereum
Virtual machine: EVM
Consensus: Proof of Stake
Launch date: Not verified
Block time: Not verified
Alchemy support: Supported

Network Configuration

Network name

Arbitrum One

RPC URL

https://arb1.arbitrum.io/rpc

Chain ID

42161

Currency symbol

ETH

Block explorer

https://arbiscan.io

Public RPC availability and privacy policies can change. Crypto University does not operate or guarantee third-party endpoints.

Developer Endpoints

Arbitrum One documentation

Documentation · Official · Mainnet

Open ↗

Top Exchanges

No verified native-token exchange markets are currently available in the stored dataset.

Top Applications

Verified application rankings are not yet available for this network. We do not fill this section with unrelated projects.