this post was submitted on 17 Nov 2023
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How does ActivityPub differ from what BlueSky is using? (AT) (lemmy.ca)
submitted 10 months ago by otter@lemmy.ca to c/fediverse@lemmy.ml
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I don't quite understand a lot of the details on how the implementations work.

In what ways is AT better or worse than ActivityPub? Are there different versions of ActivityPub? Are there improvements coming to either to make them better (or compatible)?

My current understanding is

  • AT makes it easier to move accounts (according to them), but AT is controlled and maintained by BlueSky, and they are a for-profit company that can mess with the protocol in the future, which goes against the central idea of decentralized social media

What other cool technical details are there?

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[–] Flaky@iusearchlinux.fyi 6 points 10 months ago* (last edited 10 months ago)

Well for one, if a feature is implemented in Atproto, it'll be implemented for the entire federated network. With ActivityPub, there's inconsistency with the features (You still need Glitch-soc if you want Mastodon with text formatting, for instance) and, while yes it's cool that I can talk to Lemmy from my Mastodon account, it's quite a clunky experience IMO and shouldn't be a selling point to the regular user who just wants to post about what they're doing.

A technical overview of Atproto can be retrieved here.