Arbitrum DEX: What It Is, How It Works, and Top DEXs on Arbitrum

When you trade crypto on a Arbitrum DEX, a decentralized exchange built on the Arbitrum Layer 2 network that slashes transaction costs and speeds up trades. Also known as Arbitrum-based DEX, it lets you swap tokens without relying on centralized platforms like Binance or Coinbase—keeping your keys, your control, and your fees low. Unlike Ethereum mainnet, where gas fees can hit $50 just to swap ETH for USDC, Arbitrum DEXs often cost less than a dollar. That’s not a gimmick—it’s a game-changer for everyday traders, liquidity providers, and DeFi users who want to move in and out of positions without getting eaten alive by fees.

Arbitrum itself is a Layer 2 scaling solution built on top of Ethereum. It uses something called Optimistic Rollups, a technology that bundles hundreds of transactions into one single proof sent back to Ethereum. This means the network stays secure like Ethereum, but runs way faster and cheaper. The AMM, automated market maker models used on Arbitrum DEXs—like Uniswap V3 or SushiSwap—are the same ones you’d find on Ethereum, but they work better because there’s less congestion. You get tighter spreads, faster fills, and more reliable trades. And because Arbitrum is EVM-compatible, any DeFi app built for Ethereum can run on Arbitrum with almost zero changes. That’s why over $5 billion is locked in Arbitrum DEXs right now.

What you’ll find in the posts below is a mix of real-world DEX reviews, deep dives into how liquidity pools work on Arbitrum, and breakdowns of tokens that live there—like BRUSH, POLYS, and FLTY. Some posts explain how impermanent loss behaves differently on concentrated liquidity pools, while others show you how to spot fake airdrops pretending to be Arbitrum-native. You’ll also see how tools like SideSwap and PaintSwap fit into the bigger picture of private, non-custodial trading. This isn’t theory. These are tools real people are using right now to avoid high fees, dodge scams, and earn yield without burning through their capital. Whether you’re new to DeFi or you’ve been trading on Ethereum for years, Arbitrum DEXs are where the action is—and the posts here cut through the noise to show you exactly what matters.