I was recently approached by a user claiming to be the developer of Sync for Lemmy who wanted to be a moderator of the community I created, !syncforlemmy.
I was able to verify this user was indeed LJ Dawson as I knew where to contact him on Discord.
It is quite possible that an impostor user on another instance may be created, for example ljdawson@beehaw.org could easily be made.
Should Lemmy have a verified user marker for members who are of importance to any given community? Are there any other options to protect users against nefarious persons playing impostor?
That is a deficiency in those implementations, not in the platform itself.