1. That isn't an issue with Signal or something that Signal could fix. Every messaging app will have that problem. 2. That is an issue but they do have their r

1. That isn't an issue with Signal or something that Signal could fix. Every messaging app will have that problem. 2. That is an issue but they do have their reasons. They are working on implementing a username system that does not depend you giving them a phone number. 3. That can be solved once they implement usernames. Until then a workaround can be to use a Google Voice Number or a burner sim.