What it means
Centralized exchanges usually handle custody, order books, fiat access and account support.
Why it matters
They can be convenient, but users depend on the platform for access and withdrawals.
Related pages
Continue with Exchange directory or return to the crypto glossary.
How to use this term
Use CEX 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.