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Comparing Centralized Exchanges and DEXs for Crypto Swaps

Article OKX Learn

Summary

The guide explains two common ways to exchange one cryptocurrency for another: using a centralized exchange or swapping through a decentralized exchange. Centralized venues are presented as convenient for common, liquid trading pairs, with a simple conversion feature for quick swaps and spot markets for users who want to trade directly. A DEX uses smart contracts and a self-custody wallet, making it useful for assets unavailable on centralized platforms while requiring users to manage wallet access and network fees.

The comparison highlights trade-offs involving convenience, custody, available tokens, fees, and settlement. It notes that DEX transactions require the network’s native token for gas, and that aggregators can search multiple DEX venues for a quote. The guide also explains that a suitable trading pair may not exist and a swap may require two trades. It flags transaction mistakes and fraudulent sites as risks and notes U.S. tax treatment. Fee levels and confirmation times vary; the article’s example figures are not universal, and it provides no venue-specific performance comparison.

Key ideas

  • A crypto swap exchanges one digital asset for another, typically through an available trading pair.
  • Centralized exchanges offer account-based conversion and spot trading, while DEXs use smart contracts and self-custody wallets.
  • DEX users need the chain’s native token to pay transaction fees and must manage wallet security themselves.
  • A DEX aggregator can compare routes across venues, while limited pairs may require multiple trades.
  • Trading fees, network costs, confirmation times, and tax treatment depend on the venue and jurisdiction.

Tags

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.