A platform where you can buy, sell, and trade Bitcoin and other cryptocurrencies. Centralized exchanges (like Coinbase or Kraken) act as intermediaries, while decentralized exchanges allow peer-to-peer trading.
A platform where you can buy, sell, and trade Bitcoin and other cryptocurrencies. Centralized exchanges (like Coinbase or Kraken) act as intermediaries, while decentralized exchanges allow peer-to-peer trading.
Cryptocurrency exchanges are the primary on-ramp and off-ramp between fiat currency and Bitcoin. Centralized exchanges (CEXs) like Coinbase, Kraken, and Binance operate similarly to stock brokerages — they hold customer funds, match buy and sell orders, and provide trading interfaces. They offer high liquidity, fast execution, and user-friendly experiences, making them the most common entry point for new Bitcoin buyers.
Decentralized exchanges (DEXs) operate without a central intermediary, using smart contracts or peer-to-peer protocols to facilitate trades directly between users. While DEXs preserve the self-custody ethos of Bitcoin, they typically have lower liquidity, slower execution, and steeper learning curves. For Bitcoin specifically, peer-to-peer platforms like Bisq allow trading without surrendering custody to a third party.
The key consideration when using exchanges is counterparty risk. Centralized exchanges hold your Bitcoin on your behalf, which means you are exposed to their security practices, solvency, and regulatory compliance. The collapses of Mt. Gox (2014) and FTX (2022) resulted in billions of dollars of customer losses. Best practice is to use exchanges for buying and selling, then withdraw Bitcoin to your own wallet for long-term storage.
No exchange is completely risk-free, but regulated exchanges with proof of reserves, long operating histories, and strong security track records (like Coinbase and Kraken) are generally considered more trustworthy. Regardless of which exchange you use, the safest practice is to withdraw Bitcoin to your own self-custody wallet after purchasing. Only keep on an exchange what you plan to actively trade.
A centralized exchange (CEX) is a company that holds your funds and matches orders on its internal system — similar to a traditional stock exchange. A decentralized exchange (DEX) uses automated protocols to facilitate trades directly between users without holding their funds. CEXs offer better speed, liquidity, and user experience. DEXs offer better privacy and eliminate counterparty risk, but are generally less liquid and harder to use.