CEX (Centralized Exchange)
By Menno — 13 years in crypto, 3 bear markets survived, zero paid promotions
Last updated: March 2026
A CEX is a traditional cryptocurrency exchange operated by a company that holds user funds and matches buy/sell orders. Examples include Coinbase, Binance, and Kraken. CEXs offer ease of use but require trusting the exchange with your assets.
A centralized exchange (CEX) is a cryptocurrency trading platform operated by a company that acts as an intermediary between buyers and sellers. When you trade on a CEX, the exchange holds your funds in their wallets.
Major CEXs: - Coinbase: largest US-regulated exchange, publicly traded - Binance: largest global exchange by volume - Kraken: well-regarded for security and regulatory compliance - Bybit: popular for derivatives trading
CEX advantages: - User-friendly: easy to sign up and trade - High liquidity: tight spreads and large order books - Fiat on/off ramps: buy crypto directly with bank transfers or cards - Advanced features: margin trading, futures, staking programs - Customer support: help available for account issues
CEX risks: - Counterparty risk: exchange can be hacked or go bankrupt (FTX, Mt. Gox) - KYC requirements: must provide identity verification - Censorship: accounts can be frozen - Not your keys: you don't control the private keys
Best practice: use CEXs for trading and on/off ramping, then withdraw long-term holdings to a personal wallet (preferably cold storage). Only keep on the exchange what you're actively trading.
Related Terms
DEX (Decentralized Exchange)
A DEX is a cryptocurrency exchange that operates on a blockchain without a central authority. Users trade directly from their wallets using smart contracts, maintaining custody of their funds. Examples include Uniswap, Jupiter, and Raydium.
Cold Wallet (Cold Storage)
A cold wallet is a cryptocurrency wallet that is not connected to the internet, making it highly secure against hacking. Hardware wallets like Ledger and Trezor are the most common form of cold storage.
Hot Wallet
A hot wallet is a cryptocurrency wallet connected to the internet, offering convenience for trading and daily use but with higher security risk than cold wallets. Examples include MetaMask, Trust Wallet, and exchange wallets.
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