<ul><li>Arbitrum is a layer-2 network built atop the Ethereum blockchain that offers cheap transaction costs and exceptional transaction speeds.</li><li>Arbitrum works by processing smart contracts and transactions off-chain using an optimistic rollup approach.</li><li>Popular decentralized apps running on Arbitrum include Curve, Abracadabra, Pendle, and SushiSwap.</li><li>Arbitrum has its native cryptocurrency, ARB, used for governance and with a market valuation of $1.92 billion.</li></ul>

What is Arbitrum? – All You Need to Know About This Ethereum Scaling Solution

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