Arbitrum

Official Arbitrum site

ArbitrumL2official

arbitrum.ioUpdated 2026-11-02

CoinNav lists publicly available official entries only and does not endorse any third-party platform. Verify the domain before visiting or transferring funds.

About

Arbitrum is a leading Ethereum Layer 2 using optimistic rollups, with the largest L2 DeFi ecosystem; ARB token holders govern upgrades via DAO. The site provides docs and ecosystem entry.

The docs explain Ethereum migration differences clearly, with a dedicated page on gas pricing. Its DeFi ecosystem counts among the largest of any L2.

Main uses

Protocol docs
Ecosystem directory
Governance info

Site info

CategoryBlockchains

TypeBlockchain official site

LanguagesEnglish

AccessWeb

FeesFree

FAQ

How is the Arbitrum ecosystem doing?

Consistently among the top L2s by TVL with deep DeFi and gaming, governed by its DAO.

How long do withdrawals to mainnet take on Arbitrum?

The official bridge has roughly a 7-day challenge window; liquidity bridges trade trust for speed.

How do I reach the official Arbitrum site safely?

The “Visit official site” button on this page points to Arbitrum’s official address: arbitrum.io. Fake clones are common in crypto — verify the domain and bookmark this page or the official URL.

Does Arbitrum cost money?

Free

Visit official site ↗