[2023] Why the fn' h'......

You don't have to log in, It's just a crossplay handshake with the EoS servers using a unique identifying token generated by the equivalent of your 7dtd cd key. That's it. Nothing else is sent, nothing else is required; But it does muss up for some people and require fixes, in some cases because the user themselves blanket blocked all Epic IPs at some point in the past because "♥♥♥♥ Epic"