Pretty recently (one year or so), they started their blockcain numbers. You can get a random one for free, or a "vanity" one if you buy it... I guess they are m

Pretty recently (one year or so), they started their blockcain numbers. You can get a random one for free, or a "vanity" one if you buy it... I guess they are mined somehow? They all start with 888. I wish signal did something similar. Edit: find the numbers here: https://fragment.com/numbers https://fragment.com/numbers It's probably affiliated with Telegram, I'm not sure.