Buying crypto for the first time through a third-party provider? Here's what you need to know. The Quick Buy feature simplifies everything. Start by selecting your preferred fiat currency—whether that's USD, EUR, or another option. Next, pick which crypto you want to purchase. Then comes the payment part: you'll go through a third-party payment provider to complete your transaction. It's straightforward, really. Pick your fiat, choose your asset, process the payment. That's the whole flow. The interface guides you through each step, so you won't get stuck wondering what to do next.