this post was submitted on 14 Jan 2025
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Fediverse

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A community to talk about the Fediverse and all it's related services using ActivityPub (Mastodon, Lemmy, KBin, etc).

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I thought one of the advantages of the Fediverse was to have one account but access to many services. Is this possible just not common? I already have a Lemmy account and Mastodon and I didn't want to start making more just to try out the other services.

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[–] Max_P@lemmy.max-p.me 23 points 5 days ago

It's not federated identity, it's federated content.

Your instance can in theory access all the content including Mastodon, but there's some software incompatibilities preventing that from quite working right because the way Lemmy does things is quite different than how Mastodon and other microblogging services do.

[–] originalucifer@moist.catsweat.com 10 points 5 days ago (2 children)

i use mbin specifically so i can do both with one account. i can follow (and be followed) and post to mastodon as well as interact with all of lemmy.

lemmy doesnt allow following at all.

shoutout https://moist.catsweat.com/

[–] macroplastic@sh.itjust.works 7 points 4 days ago (1 children)

Every time I see that URL, I wince

Its like pineapple on pizza.. people either love it or hate it. there is no in between

[–] Rhaedas@fedia.io 3 points 5 days ago (1 children)

Same here. It still has the limitation of being instance-based though, so if you decide to move to another server or our existing instance shuts down, you can't take your account stuff with you (like when I had to move from Kbin and "lost" the first few months). Which may never be possible given the design of federation. I recall the question came up pretty early when people were concerned about picking the "right" instance without any knowledge of anything, and some were throwing around ideas of a way to pass along user history from one account to another...but I don't know the state of that.

[–] ocean@lemmy.selfhostcat.com 1 points 5 days ago (1 children)

What? If it goes down here you also lose everything.

[–] Rhaedas@fedia.io 1 points 5 days ago (1 children)

Exactly my point, you're tied to a specific server for your account regardless. There's no shared federated user info that can be recovered if that happens. One solution is to make your own instance where your account lives, and then it's just up to you to make sure it doesn't get lost in a crash without a backup. But that's more complex than the average user is willing to take on.

[–] ocean@lemmy.selfhostcat.com 1 points 5 days ago

I misread your comment!

Yeah that’s what I did and thanks for telling me to backup!

[–] andrew_s@piefed.social 5 points 5 days ago (2 children)

Lemmy mostly federates with Lemmy, but everything else out there (PeerTube, PixelFed, etc) has been developed to work well with Mastodon (sometimes to the Fediverse's detriment), so your Mastodon account should be all you need.

From other replies it sounds like this isn't guaranteed. I tried logging into pixelfed using my Mastodon info and it didn't work (stopped me as soon as I gave the instance).

[–] Blaze@feddit.org 1 points 4 days ago

Lemmy

And Mbin and Piefed!

[–] rglullis@communick.news 5 points 5 days ago* (last edited 5 days ago)

It's not possible with the current approach of server-centric ActivityPub software. In theory, you can have one ActivityPub account to interact with all the other services, but in practice what happens is that the different server creates a new one internally and does not give you access to the private key.

[–] Emperor@feddit.uk 4 points 5 days ago

Hubzilla allows for a "nomadic identity" and some services allow you to log in using other services - !neodb@lemmy.zip has a long list of logins it allows (not Lemmy... yet).

[–] Kichae@lemmy.ca 3 points 4 days ago

No. The Fediverse is access to syndicated content from a single website. Signing up at some other rando's website is not going to give you any privileges on mine, and my account on my server doesn't let me log into any of your computers.

The fediverse isn't a handful of commercial services for you to demand access to. It's a shit ton of small websites run by random individuals for niche communities, and a small number of large websites run by people with an impulsive drive toward self-punishment.

[–] catloaf@lemm.ee 3 points 5 days ago

It depends on whether the services are compatible. They don't all implement activitypub quite the same way.

You can try pasting something into the Lemmy search field (a Mastodon user, pixelfed feed, etc.) and see what comes up. But it may take a minute to federate the first time.

[–] Rob200@discuss.tchncs.de 2 points 5 days ago* (last edited 5 days ago) (1 children)

You don't need multiple accounts on each service to federate. So essentially if you wanted to communicate with a user, say from a Lemmy server on Mastodon you can do so. That's federation.

Essentially the main things you are missing really from not joining another service is certain features, interface and a different focus and the like.

Right? so Peertube might have a completely different interface from Mastodon and Lemmy. And more of a specific focus on video related features.

edit: you would need a users handle, and then go to the service you use, like Mastodon and you can search for that user.

Can I do it all from just a Lemmy account?

[–] Flax_vert@feddit.uk 1 points 4 days ago (1 children)

In reality, no, in practice, yes.

It is possible for someone to make a service which has an interface for each type of activitypub interaction. Mbin has microblogging and lemmy stuff on one account which is nice.

But in practice, different services do different things. Again, though, nothing stopping someone from making an all-in-one

[–] secret300@lemmy.sdf.org 1 points 4 days ago* (last edited 4 days ago) (1 children)

But like I have one account for YouTube Gmail and Google+, Ha remember when that was a thing, so could someone make a single sign in for all those services? One sign in for Lemmy, peertube, pixelfed, etc...

[–] Flax_vert@feddit.uk 1 points 4 days ago

Somebody could. Mbin is probably the closest thing you have rn