Cryptocurrency exchanges allow people to buy, sell, and trade digital currencies like Bitcoin and others. Some of the largest and most popular exchanges include Binance, Coinbase, and Kraken. Binance is one of the largest exchanges that offers over 600 cryptocurrencies and has a variety of features. Coinbase is very user-friendly and trusted for buying and selling major cryptocurrencies. Kraken is a large exchange that allows trading of fiat currencies for cryptocurrencies.