What it means
DEXs usually let users trade directly from non-custodial wallets.
Why it matters
Users should understand gas fees, slippage, token approvals and smart contract risk.
Related pages
Continue with CEX or return to the crypto glossary.
How to use this term
Use DEX as a practical checkpoint when comparing exchanges, wallets, cards or on-chain tools.
What to check
Check how the term appears in fees, limits, account rules, wallet flows and risk notes before making a platform decision.