> ## Documentation Index
> Fetch the complete documentation index at: https://docs.theblockchainlibrary.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Arbitrum One

> Arbitrum One — The Blockchain Library

# Arbitrum One

Arbitrum One — The Blockchain Library

## Endpoint details

* **Network:** Arbitrum One
* **Chain ID:** 42161

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**Canonical knowledge ID:** `infrastructure:chainlist-arbitrum-arbitrum-drpc-org`