A decentralized crypto exchange (DEX) enables users to trade digital assets without a central authority. Unlike centralized platforms, DEXs operate on blockchain technology using smart contracts for trustless transactions. Users maintain control of their private keys, enhancing security and privacy. DEXs reduce the risk of hacks, censorship, and downtime. They support automated market makers (AMMs), liquidity pools, and token swaps. Ideal for DeFi users, decentralized exchanges are a cornerstone of the crypto ecosystem, fostering transparent, permissionless, and borderless financial interactions with complete user sovereignty.