nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq4kfvp4nwdgvp25sa2rq3xvfy3rz5ju7gkuyh6q3a7r2vs39n5vwsw9nn3l I wouldn’t call it legitimate but the sole purpose why this exists is that many companies want to display their TLD like example.com in the ad but in reality the click will take you to some kind of tracking company with ugly URL, which they don’t want people to see because no sane person would click on it.