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Analyzing Market
Glossary

Exchange

A crypto exchange is a marketplace where users buy, sell and trade cryptocurrencies, either for other cryptocurrencies or for traditional money.

How it works

A centralized exchange is run by a company that holds users’ funds, matches orders on an internal order book, and handles deposits and withdrawals — convenient, but it requires trusting the operator with custody. A decentralized exchange, or DEX, instead lets users trade directly from their own wallets through smart contracts, keeping custody of their assets the whole time.

Why it matters

Exchanges are where most price discovery and liquidity live, so their depth and reliability shape the whole market. The main trade-off is custody versus convenience: centralized venues are easy to use but concentrate risk, while DEXs are self-custodial but put more responsibility on the user.

Example

Buying a coin with a debit card on a centralized platform, or swapping tokens through a liquidity pool on a DEX, are two ways to use an exchange.

Exchange: Frequently Asked Questions

What is the difference between a centralized and decentralized exchange?
A centralized exchange is run by a company that holds users' funds and matches orders on an internal order book; it is convenient but requires trusting the operator with custody. A decentralized exchange lets users trade directly from their own wallets through smart contracts, keeping custody of their assets throughout. The trade-off is convenience versus self-custody.
Why do exchanges matter so much to the crypto market?
Exchanges are where most price discovery and liquidity live, so their depth and reliability shape the whole market. When you can buy and sell easily, prices reflect real supply and demand. Thin or unreliable venues make trading harder and prices less stable, which is why an exchange's depth and trustworthiness are so significant.
Is it safer to keep my coins on an exchange?
A centralized exchange holds your funds, which is convenient but concentrates risk, since you are trusting the operator with custody. If the platform fails or is hacked, your assets could be at stake. A decentralized exchange keeps you self-custodial but puts more responsibility on you. Many users keep only what they actively trade on an exchange.
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