But if other users doesn't know your number, say like you're in a group discussion or a bitcointalk telegram bounty (lol), it won't show. I also heard some ico devs prefer to use discord as they are even more safe (they said) although I hadn't privileged myself on trying them. This is why I wanted to know about this claime-to-be more secure too. Dev said to see comparison table, but I can't find the table on his images.