If you're looking to make money online through cryptocurrency exchanges, here are five popular options to consider:


1. **Binance** - Known for its wide range of cryptocurrencies, high liquidity, and various trading features, including futures and staking.


2. **Coinbase** - User-friendly with strong security features and a range of educational resources, making it suitable for beginners.


3. **Kraken** - Offers a wide range of cryptocurrencies and trading pairs, with strong security and advanced trading features.


4. **Gemini** - Known for its strong regulatory compliance and security, it provides a user-friendly platform and various trading tools.


5. **KuCoin** - Features a broad selection of cryptocurrencies, competitive fees, and various trading options, including futures and margin trading.


Remember to do thorough research and consider factors like fees, security, and the specific features you need before choosing an exchange.