Among pure crypto exchanges, Binance has the lowest fees. For exchanges that deal with credit cards and bank transfers, Coinbase (broker), GDAX (exchange) and Bitpanda (broker) have the lowest fees. If you wish for a good and reliable Forex Trading Platform, I would recommend you to select the HotForex as your Broker. HotForex offers various account types, trading software, and tools to facilitate individuals and institutional customers to trade Forex and CFD's online, which includes the Cryptocurrency and Forex as well.