Roshan

 As of my last update, some of the top cryptocurrency exchanges by trading volume and popularity  1. **Binance**: Known for its extensive range of cryptocurrencies and trading pairs. 2. **Coinbase Pro**: Popular in the United States and Europe, offering a user-friendly interface for trading. 3. **Huobi Global**: Offers a wide variety of cryptocurrencies and trading services globally. 4. **Kraken**: Known for its security features and wide selection of cryptocurrencies. 5. **Bitfinex**: Offers advanced trading features and a variety of cryptocurrencies. These rankings can change over time due to various factors, so it's always a good idea to check current reviews and market conditions before choosing an exchange.