Comparison at a very high level between Bluesky, ActivityPub (fediverse), and Nostr
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rabble (rabble@mastodon.social)'s status on Saturday, 14-Jun-2025 21:49:39 JST rabble
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silverpill (silverpill@mitra.social)'s status on Saturday, 14-Jun-2025 21:49:37 JST silverpill
@sigismundninja @rabble A number of ActivityPub applications already use key-based identities. They implement FEP-ef61:
https://codeberg.org/fediverse/fep/src/branch/main/fep/ef61/fep-ef61.md
There is a list of implementations at the end, most notable of them are Streams and Forte.
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Sigismund Ninja (sigismundninja@mastodon.nu)'s status on Saturday, 14-Jun-2025 21:49:39 JST Sigismund Ninja
What is the state of key-based identities in ActivityPub? Or applications that utilize key-based identities on top of ActivityPub? #fediverse #activitypub #mastodon #nostr
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rabble (rabble@mastodon.social)'s status on Sunday, 15-Jun-2025 00:16:17 JST rabble
@sigismundninja I’m not sure. @Gargron and @evan know for sure.
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Evan Prodromou (evan@cosocial.ca)'s status on Sunday, 15-Jun-2025 00:16:17 JST Evan Prodromou
@rabble @sigismundninja @Gargron On the one hand, key-based identities work for 75% of Bitcoin holders. On the other hand, most of them don't actually control their own keys.
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Evan Prodromou (evan@cosocial.ca)'s status on Sunday, 15-Jun-2025 00:27:31 JST Evan Prodromou
@rabble @sigismundninja @Gargron one great thing about key-based identities is that average users get a lot of experience setting up new accounts. Good for user testing the onboarding flow!
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Evan Prodromou (evan@cosocial.ca)'s status on Sunday, 15-Jun-2025 21:23:16 JST Evan Prodromou
@rabble @sigismundninja @Gargron oh, I guess my sarcasm didn't come through. I think key-based identity is either user-hostile or pointless or both.
We have migration that's automated in AP. If you move to a new server, it's announced to all your followers' servers, and they change their address book automatically.
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rabble (rabble@mastodon.social)'s status on Sunday, 15-Jun-2025 21:23:17 JST rabble
@evan @sigismundninja @Gargron I’m not convinced key based identity is the best solution. Nostr makes users learn tons of stuff but gives them total control. ATprotocol has the keys by hides them on the PDS server behind a normal login.
The migration in AP means you move to a new name and a new server and folks need to update. It feels like email forwarding. The key based system for Nostr and ATP mean host migration is seamless for everyone who follows you.
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Evan Prodromou (evan@cosocial.ca)'s status on Monday, 16-Jun-2025 23:30:50 JST Evan Prodromou
@sigismundninja @rabble Cool. Billions of US dollars are permanently lost because people lost their keys, just on the BTC chain. The current main way to mitigate this problem is to leave your keys with an exchange, and log in with SSO or a username and password plus MFA.
https://www.ledger.com/academy/topics/economics-and-regulation/how-many-bitcoin-are-lost-ledger
I think love, friendship and family are more important than money, so maybe people will be more careful with their social networking keys than their financial ones. But not everything thinks that way.
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Sigismund Ninja (sigismundninja@mastodon.nu)'s status on Monday, 16-Jun-2025 23:30:51 JST Sigismund Ninja
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