How about this - verification for $8 or however much, and to be verified you need to upload a picture of your ID and a selfie from the front and both sides. The

How about this - verification for $8 or however much, and to be verified you need to upload a picture of your ID and a selfie from the front and both sides. Then someone at Twitter checks these and verifies that they match, and you're only allowed to use the name on your ID. You could probably use image recognition to do this, and offload to a real person when the certainty is low. Brands have a lot more money, and it's more labour-intensive to verify them, so they could be charged a lot more.