Layer 2

Arbitrum

Arbitrum is one of the leading Ethereum Layer 2 ecosystems and is widely used for DeFi, stablecoins, and lower-cost onchain activity. It is a strong beginner topic because it shows how Ethereum scaling works in practice.

rollupethereum scalingdefi

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Why It Matters

Arbitrum helps beginners see why Ethereum increasingly depends on rollups to serve more applications and users at workable costs. Arbitrum is a strong example of how Ethereum scaling became its own ecosystem story rather than just a technical upgrade to the base chain.

Official Links

Website, explorers, and whitepaper or documentation links consolidated from your library data and CoinMarketCap metadata.

Website

https://arbitrum.io

Explorers

No link available.

Whitepaper & Docs

https://docs.arbitrum.io

ETF & Fund Trackers

No link available.