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Hi everyone.

I'm new to these kinds of innovative platforms, and I've come across Mastodon and Bluesky in particular. I've realized that both use different but equally free and open-source protocols, so my question is: are there any substantial differences between the two social networks? Should I choose one over the other?

Thanks for your replies, and have a great day.

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[-] mudkip@lemdro.id 4 points 1 day ago

The problem with Mastodon (ActivityPub) is that your identity is held hostage by your server admin. If your instance goes down or you have a disagreement with the mod, good luck moving. You can migrate followers, but you lose all your posts and history.

ATProto fixes this by decoupling your identity from the server, you can swap servers without losing anything.

Also, Bluesky has truly customizable algorithms instead of being forced into the chronological view or whatever the instance admin decided.

[-] Rose@lemmy.zip 1 points 13 hours ago

Are you saying someone could keep their account even if their ATProto instance goes down? On Mastodon, you'd still get to keep the migrated followers, right? The instance maintainer would just have to announce closure in advance.

this post was submitted on 28 Jan 2026
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