DEX vs CEX: What’s Better for Trading Crypto in 2025

When you trade crypto, you’re choosing between two worlds: a decentralized exchange, a peer-to-peer trading platform that runs on blockchain without a central authority. Also known as a DEX, it lets you keep control of your keys and interact directly with liquidity pools. Or you pick a centralized exchange, a company-run platform like Bybit or Binance that holds your crypto for you, offers fast trades, and handles security behind the scenes. Also known as a CEX, it’s what most beginners start with—but it comes with trade-offs. The real question isn’t which is better. It’s which one fits your goals right now.

Most people think DEXs are safer because you don’t hand over your coins. That’s true—but only if you know how to use them. A DEX like KyberSwap on Scroll can give you 0% trading fees and 80% lower gas than Ethereum, but if you mess up a transaction, there’s no customer support to fix it. Meanwhile, a CEX like Bybit gives you derivatives, margin trading, and instant withdrawals—but got hacked in 2025, and users lost funds. Neither is perfect. DEXs are for users who want control and care about fees. CEXs are for users who want speed and don’t mind trusting a company.

Then there’s the middle ground: DEX aggregators. These tools scan multiple decentralized exchanges to find the best price, combining the safety of a DEX with the convenience of a CEX. That’s why KyberSwap and similar platforms are growing fast—they’re not just DEXs, they’re smart routers for your trades. Meanwhile, CEXs are adding DeFi features like staking and liquidity mining to keep up. The lines are blurring. But the core difference stays: with a CEX, you’re a customer. With a DEX, you’re the operator.

What you’ll find below are real reviews of platforms that show these differences in action. You’ll see how a DEX aggregator like KyberSwap beats Uniswap on price and gas. You’ll learn why Bybit still dominates derivatives trading—even after its security breach. You’ll spot the scams pretending to be DEXs with fake airdrops. And you’ll understand why some traders use both: DEX for low-cost swaps, CEX for fast buys and sells. This isn’t theory. It’s what’s happening in 2025. Let’s get into it.