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Can you steal a user's identity if you gain their old domain name? (lemmy.world)

submitted 2 years ago by maggoats@lemmy.world to c/asklemmy@lemmy.ml

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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?

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[–] Shlomito@vlemmy.net 1 points 2 years ago

Ohh interesting. I don't know, although I think that'd be rare because most people use big instances. Although maybe if a big instance goes down someone could reuse their domain name and remake all those accounts?