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ActivityPub

ActivityPub

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Search complete. 25 mentions across 8 episodes found for "ActivityPub".

Sep 11, 2026

Off Protocol

Off Protocol

Make Your Own Thing

Sep 11 · 13 Mentions

John GruberGUEST
80:35
And...
John GruberGUEST
80:36
But there is like the age-old complaint of, well, if an existing open thing exists, you should just use it because it's already there and exists, right? Why not just stick to Mastodon and the Mastodon APIs? What are they called? ActivityPub.
John GruberGUEST
80:51
ActivityPub.
John GruberGUEST
80:52
So why does AT Proto – that would be the first question.
John GruberGUEST
80:55
Why does it – I think I know the answer, but I'll ask you.
John GruberGUEST
80:57
Why does it exist rather than just building on ActivityPub?
Jim RayHOST
81:01
Well, you're going to get letters because there's a long, how do we pronounce this thing? And we've settled at Proto.
Jim RayHOST
81:07
Well,
denolfeHOST
1:15
Many expressed hope that the project will persist, citing the importance of open and accessible information sources.
denolfeHOST
1:21
Several discussed broader issues about platform monopolies, interoperability, and the need for decentralized social networks, with some suggesting federated protocols like ActivityPub or Nostar as better solutions.
denolfeHOST
1:33
The overall community sentiment was largely positive, with a focus on legal resilience and the value of open, community-driven tools to counteract platform censorship and control.
denolfeHOST
1:44
Title, Keep Our Servers Running.
Paul FrazeeGUEST
13:36
You know, a lot of the stuff that's...
Paul FrazeeGUEST
13:39
You got some folks that are just pretty dedicated to the ActivityPub world, and we've been doing a lot more outreach to those folks.
Paul FrazeeGUEST
13:44
And so I think, in fact, a lot of that part is kind of calming down.
Paul FrazeeGUEST
13:47
The theme that really stood out to me, we're sort of jumping ahead to...
Daniel HolmgrenGUEST
15:07
One of the framing devices that you use in that is talking about App Proto as a data replication protocol.
Daniel HolmgrenGUEST
15:13
And you sort of hint at that in this blog post, but I don't know.
Daniel HolmgrenGUEST
15:16
I think it'd be interesting to talk about that for a second because that really answers the question of like, Why not ActivityPub? Why not RSS? And it's like, well, it's just kind of a different problem, you know?
Paul FrazeeGUEST
15:27
Yeah.
Alan PopeHOST
34:38
Like...
Alan PopeHOST
34:39
Also, it's federated through ActivityPub.
Alan PopeHOST
34:44
So it's not just a replacement for the legacy website.
Alan PopeHOST
34:48
It also has capability to share stuff on the Fediverse.
MK FainGUEST
8:11
And those have been in use, but they've been small and they also had some of the same problems of the big centralized platforms.
MK FainGUEST
8:19
So, for example, ActivityPub, another earlier decentralized protocol, was essentially just smaller centralized groups that were then able to talk to each other over a shared communication protocol, which is a huge upgrade from what Twitter and Facebook and TikTok and everything offer.
MK FainGUEST
8:41
But it still relies on essentially this fiefdom paradigm where you have one little minor king and his kingdom.
MK FainGUEST
8:50
and that person gets to make decisions for the whole community.
MK FainGUEST
9:25
So the problem that Noster solved, which was a huge breakthrough as people that have been working in decentralized social for a long time, was separating the identity from the server so that any one individual can be completely sovereign without having to self-host infrastructure.
MK FainGUEST
9:42
And this breakthrough was huge.
MK FainGUEST
9:44
And it's why we actually switched from building on ActivityPub, which we'd been doing for half a decade prior, over to Noster when we saw this.
MK FainGUEST
9:52
Because it really just takes the power away from any one single point of failure, whether that's malicious actor, or if it's just an admin who got burnout and decided I can't run this thing anymore.
JordanHOST
78:08
It's a culture issue, not a tech issue.
JordanHOST
78:09
I like ActivityPub." I think you are correct.
JordanHOST
78:14
Uh, [laughs] I think there is a culture of anti-AI on there.
JordanHOST
78:17
Um, but yeah, that might just be ...
Dan HugoHOST
32:17
Here's a hint.
Dan HugoHOST
32:18
It will make use of Smart Social, and it will also make use of ActivityPub, and it will also make use of Activity Streams, and it will make use of a lot of modern and forward-looking technologies in addition to some of the older stuff.
Dan HugoHOST
32:33
Stay tuned.
Dan HugoHOST
32:33
Oh my goodness, three more sections.

10 MINS LATER

Dan HugoHOST
42:37
This does not mean we take the easy way out, but probably means starting with standards over platforms.
Dan HugoHOST
42:45
So how do we share data, not how do we all use X, right? It opens up some new innovation possibilities.
Dan HugoHOST
42:53
And ActivityPub is one.
Dan HugoHOST
42:54
AT Proto, if you're a Blue Sky fan.
Raghu BandaHOST
46:08
Uh, and again, it's under my purview or what I am trying to achieve, and based out of that, I build these things.
Raghu BandaHOST
46:17
I know we are, uh, getting out of the top of the hour, but I want to-- before I get into this critical question that I ask about my aud- my, my guests about the extra AI question, I have one other question about, um, uh, the aspect about, uh, how do we-- how do you differentiate yourself, uh, maybe in the context of, uh, like, w- I, I know, uh, when you compare with, uh, uh, Blue Sky or ActivityPub or Mastodon, other, uh, or other decentralized projects, what is the key architectural or philosophical difference from Nostr's standpoint?
Wouter ConstantGUEST
47:09
The cryptography central and in the hands of the users.
Wouter ConstantGUEST
47:13
So it all, it all starts with what we call, uh, public-private key cryptography.
Raghu BandaHOST
51:30
Mm-hmm
Wouter ConstantGUEST
51:30
...
Wouter ConstantGUEST
51:30
in these, uh, in these other architectures, like, like BlueSky or ActivityPub or et cetera.
Raghu BandaHOST
51:35
Right.

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