How do I pay with cryptocurrency?

Sure, here's a description in English with a questioner's tone and a word count of no more than 300: "Hello there, I'm curious about paying with cryptocurrency. Could you please explain the process to me? I've heard it's a secure and convenient way to make transactions, but I'm not quite sure how it works. Do I need to have a specific cryptocurrency wallet? And how do I go about sending payments to a merchant or individual? I'm excited to learn more about this new and innovative way of handling financial transactions.