
How does Converting Cryptocurrency work? Users can trade between two currencies directly. For example: exchanging Ethereum (ETH) with Bitcoin (BTC),. The feature works with Bitcoin (BTC), Ethereum (ETH), Ethereum Classic If you buy or sell less than 200 USD or equivalent, fees get much. Coinbase: the simple, safe way to buy, manage and sell your cryptocurrency. We're the world's largest cryptocurrency exchange, with over 35 million users.