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Any arguments against separating identity from instance/platform? (single identity across the fediverse) (lemy.lol)

submitted 2 months ago by matcha_addict@lemy.lol to c/fediverse@lemmy.world

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I am sure it was discussed here before, but I can't find a good way to search this community.

Are there any arguments against having a user's identity federate, and be compatible across platforms?

For example, let us say I sign up with my instance, matcha_addict@lemy.lol

But what if I go on mastodon, and I want to have my own micro blog. Or maybe go to write freely and post some blog posts. I'd have to make a different account on each one.

What if mastodon or write freely could just let me log in with my lemmy account (or lets call it federated account). This has several benefits:

users don't have to scratch their head on if I am the same person or not across these platforms
theoretically, someone following my feed can get updates on what I do on multiple platforms

Now I understand this would be difficult to implement and iron out all the edge cases, but am I missing anything on why it wouldn't be a desirable feature, given it is implemented?

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[–] matcha_addict@lemy.lol 4 points 2 months ago (2 children)

This is a very valid concern and I should clarify a bit about the mechanism I have in mind.

An instance admin can decide which instances it federates identities with, similar to how regular federation is done (but maybe these would have separate lists)

So, in your case, you would only federate identity with instances you trust to have done proper vetting. It wouldn't be by default that having a federated instance means you have access to login the entire fediverse.

[–] ada@lemmy.blahaj.zone 5 points 2 months ago (1 children)

White listing encourages centralisation because it makes it really hard for new communities/instances to develop the trust they need to be included in existing white list circles.

[–] matcha_addict@lemy.lol 3 points 2 months ago

This white listing will not impact regular federation, so smaller communities will still get the same benefit they get now. They will only not get identity (for logins) federation until they gain trustworthiness

[–] SorteKanin@feddit.dk 1 points 2 months ago

What do you mean by "federates identities with"? I mean users are already federated, you can see my profile on your own instance. What is the mechanism you're talking about?