1inch is a leading decentralized exchange (DEX) aggregator known for its Pathfinder algorithm, sourcing liquidity from 522 channels across Ethereum, Optimism, and zkSync. Recent updates include launching cross-chain swaps on Solana, enabling trades for over one million tokens, and integrating zkSync’s roll-up tech to boost speed, security, and cost efficiency. The protocol also enables gas-free swaps via 1inch Fusion on Trezor hardware wallets with MEV protection. Users get deep DeFi integration, high TVL, and low-fee trading access.