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MainnetRollupARB

Arbitrum One

Nitro Multi-Round Fault Proof architecture running on Layer 2 Rollup.

Chain & Consensus Architecture

Consensus Mechanism

Nitro Multi-Round Fault Proof

Layer Classification

Layer 2 Rollup

EVM Chain ID

42161

Network Status

ACTIVE

Supported Client Software

COMBINEDGo / C++

Arbitrum Nitro

Target: v3.1.2

Empirical Hardware Requirements

Full Node

Bandwidth: 100 Mbps
CPU Baseline:

8 Cores

Rec: 16 Cores

Memory:

32 GB RAM

Rec: 64 GB

Storage (NVMe SSD (High IOPS)):

3000 GB minimum baseline (Recommended: 5000 GB)

Note: Requires connection to an active Ethereum L1 beacon endpoint to validate fraud proof data.

Deployment Runbooks (1)

BEGINNERDocs Verified(Oct 2026)

Running an Arbitrum One Nitro Full Node with Docker

Step-by-step containerized deployment of the Arbitrum Nitro execution engine, connecting to an external Ethereum L1 beacon endpoint.

30 mins