Just a random thought experiment. Let’s say I have my account on a lemmy instance: userA@mylemmy.com
. One day I decide to stop paying for the domain and move to userA@mynewlemmy.com
, and someone else gains it and also starts up a lemmy instance.
If they make their own userA@mylemmy.com
, how do federated instances distinguish who’s who?
Have I misunderstood the role of domain names in this?
Maybe it would be enough for instances to have their keys and to be securely identifiable, and not all user accounts?