However, the partner will still earn Moneda, Moneda is a special form of currency that can only be earned in co-op mode to spend in the Black Market. It should be noted that only the host player’s game will save their progress.
He invites me, and as soon as I accept it, I get a connection failure.
I invite my friend, and he doesn't seem to join my session. Yep, I'm having problems with coop on Xbox One as well. You can coop anything even missions you don't have access to but it doesn't unlock on friends account. Play the campaign and if you are a keys to kyrat you are just going to have to ride out the storm. Not too hard to implement the same system here so that two people could play from, begining to end together. They worked around this in Wildlands by making it so you could help on a mission you did not have access to but you would not get the unlocks\Credit for doing it in your game.