1. Binance: Binance is one of the largest and most popular cryptocurrency exchanges in the world. It offers a wide range of trading pairs, competitive fees, and a user-friendly interface.

2. Kraken: Kraken is another well-known cryptocurrency exchange that offers a variety of trading pairs, advanced trading tools, and a strong focus on security.

3. Bitfinex: Bitfinex is a popular exchange that offers advanced trading features, margin trading, and a wide range of cryptocurrency options.

4. Coinbase Pro: Coinbase Pro is the professional trading platform of Coinbase, one of the most popular cryptocurrency exchanges in the world. It offers a user-friendly interface and a variety of trading pairs.

5. Bittrex: Bittrex is a US-based exchange that offers a wide range of cryptocurrencies for trading, as well as advanced trading features and strong security measures.

6. Bitstamp: Bitstamp is one of the longest-running cryptocurrency exchanges in the world, known for its reliability, security, and user-friendly interface.

7. Gemini: Gemini is a US-based exchange founded by the Winklevoss twins. It offers a secure platform for trading a variety of cryptocurrencies.

8. Huobi: Huobi is a global exchange that offers a wide range of trading pairs, advanced trading features, and a strong focus on security.

9. OKEx: OKEx is a popular exchange that offers futures trading, margin trading, and a variety of other advanced trading features.

10. KuCoin: KuCoin is a relatively new exchange that has quickly gained popularity for its wide range of trading pairs, low fees, and user-friendly interface.