Pro.coinbase Since, these exchanges allow you to involve directly in the crypto-to-crypto trading process, you can do it by following an easy procedure which we are soon going to reveal in the upcoming sections. However, before you initiate the crypto conversion, you should acknowledge the fact that the conversions are made instantly and you cannot cancel them anyhow. Apart from that, you do not need to have any cash in your account in order to execute this conversion.In order to convert through the coinbase.com website or the pro.coinbase exchange. https://sites.google.com/coinlogins.com/coinbaseprologin/home