You project is very interesting and promising.
Will you have a phone app or only web?
It'll be complicated to find out who of your friends uses Adamant if there is no access to an address book. It's just my opinion. Maybe someone can find it to be convenient.

Thank you, we are really developing. We have an application on iOS. Passes a test flight on the App Store. This messenger will be handled, so will the opinion of the people to the discussion.