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It currently has four coins available, Bitcoin, Bitcoin Cash, Ethereum and Litecoin. It exchanges digital currency with US dollars Euros,, and Great British Pounds. With no transfer charges, Coinbase has never experienced any security breach, making it an ideal option for digital currency exchange. In addition, Coinbase also offers a fully-fledged, advanced exchange known as GDAX. GDAX offers sophisticated features and better rates for trading in comparison to Coinbase.