Group 1: Centralized Exchanges (CEX) - CEX offers a seamless user experience with easy fiat deposits, fast trade execution, and integrated services like trading, lending, and wealth management [3][4] - CEX operates under strict KYC and AML regulations, ensuring compliance and security for users [4] - Users must trust the platform to securely manage their cryptocurrency, as they relinquish control of their private keys to the exchange [4][12] Group 2: Decentralized Exchanges (DEX) - DEX allows users to maintain control of their private keys, with cryptocurrency stored in personal wallets and transactions executed via smart contracts [6][9] - The trust in DEX is based on the transparency and immutability of the blockchain, rather than a central authority [6][7] - Users face higher responsibilities, including managing their wallets and understanding transaction fees, which may present a learning curve for newcomers [7][9] Group 3: Choosing Between CEX and DEX - CEX and DEX serve different user priorities: CEX is suited for those prioritizing convenience and speed, while DEX appeals to users valuing control and transparency [11][12] - The choice between CEX and DEX hinges on the user's understanding of control and responsibility regarding their cryptocurrency [12][13] - A clear understanding of the operational logic and associated risks is essential for making informed decisions in cryptocurrency trading [13]