The most common way is to take a selfie holding a piece of paper where you've written the date and your name and "Steemit," but there are lots of other ways. If someone here knows you from real life they can vouch for you. Here's a good post all about it if you're curious: What Verifying Your Account In Introduceyourself Means You don't have to do it. The way you're responding to comments makes it clear you're very real. Ahh the clunky formalities of early days. I think you'll add a fun voice to Steemit. Thanks for responding. :)