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Comment by anon7000 | Hacker News Reader

I think decentralization is just not something users care about generally.

- many people wish they could control what they see and who they talk to. (Eg control the algorithm, avoid censorship from big tech)

- some people care about owning their data so it doesn’t go away when a company fails

- technical people are interested in building more types of social apps that aren’t just twitter posts etc

- nearly everyone just wants a fairly seamless experience without a lot of gotchas or technical problems to solve like self hosting an instance for your friends that falls over if too many people use it and is tricky to network with others.

Bluesky is trying to solve all those kinds of problems, which I think is pretty interesting, and I don’t think the others are quite doing the same thing technically. At the end of the day they are all pretty niche.

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But Bluesky does not solve these points:

- content not in line with the political left is censored

- sure, you have your data in your PDS, but it is de-facto useless if the central identity server of Bluesky goes down

- ActivityPub and Nostr solve this already without being owned by a company

- you cannot easily and cheaply have an ATProto instance. AP and Nostr solve this already

> - content not in line with the political left is censored

What do you mean? Individual apps can choose to censor I guess, but you can fairly trivially run an AppView with no filtering whatsoever if that's what you fancy.

> - sure, you have your data in your PDS, but it is de-facto useless if the central identity server of Bluesky goes down

That's not correct. You can use plc, which Bluesky operates the largest directory for, but you can also use web, which completely bypasses Bluesky all together.

> - ActivityPub and Nostr solve this already without being owned by a company

What's 'this' here?

> - you cannot easily and cheaply have an ATProto instance. AP and Nostr solve this already

The terminology here of 'ATProto instance' doesn't really make sense. If you're talking about a PDS, you can use one of thousands of free PDS hosts, or host your own for free on Cloudflare (https://cirrus.earth/) or on your own hardware (there are PDS implementations which fit comfortably onto a Raspberry Pi, or an old phone, etc.)

Sure you can host your PDS, but if you want to deploy your own instance like you would do with Mastodon, you need to deploy a Relay and an AppView as well. And the way the network works, you need beefy servers for that.

On ActivityPub and Nostr you develop all kind of applications already, it is not only Twitter clones, but also Instagram clones, Reddit clones, on Nostr there is even the resurrected Vine (https://about.divine.video/).

And it is not trivial to switch from the Bluesky did:plc (which you cannot run in write-mode on your own and need to use the official Bluesky owned) to did:web, which you can run on your own.

The idea of an 'instance' is not really clear. If you want to run a social network on ATProto, you do need the relay and app view, and those are indeed heavy requirements, but the architecture is not the same, and it depends what you're actually trying to achieve.

If you just want to use ATProto for your own small app, there are ways to do it on more constrained hardware. The more usage it gets, the more it scales up.

> On ActivityPub and Nostr you develop all kind of applications already, it is not only Twitter clones, but also Instagram clones, Reddit clones, on Nostr there is even the resurrected Vine (https://about.divine.video/).

Same! You can explore the (unfortunately named, given the point I'm trying to make :)) 'Bluesky directory' to see apps which use ATProto: https://blueskydirectory.com

Note that most of these have nothing to do with Bluesky.

> And it is not trivial to switch from the Bluesky did:plc (which you cannot run in write-mode on your own and need to use the official Bluesky owned) to did:web, which you can run on your own

That's true, but it's not trivial to run your own Mastodon instance either...

>If you want to run a social network on ATProto, you do need the relay and app view, and those are indeed heavy requirements, but the architecture is not the same, and it depends what you're actually trying to achieve.

Note those are not heavy requirements in any atproto-specific sense.

Running an atproto relay (at the current scale) is $30/month. If you're running a popular app, this is probably comparable with some of your SaaS subscriptions. Or you could use a community-run one or pool resources with other apps. Also, many atproto apps don't use a relay at all, and rely on a community cache like https://constellation.microcosm.blue/ instead.

Running an AppView is only as expensive as running any backend. "AppViews are expensive" is a myth extrapolated from "Running a copy of a Bluesky AppView is expensive", which is true because a Bluesky AppView is a backend server that's supposed to store and serve millions of posts. It would be expensive with any technology! Atproto isn't adding an extra tax here. Running a centralized service at the same scale would be equally expensive, and a Mastodon instance at that scale would simply not run.

If your AppView only serves your app's users (and has nothing to do with Bluesky), the cost is cheap or nonexistent. It's just a normal backend that listens to a websocket stream and writes some stuff to a database.

Effectively what I meant by 'if you just want to use ATProto for your own small app, there are ways to do it on more constrained hardware. The more usage it gets, the more it scales up', but appreciate the top-up!

Relays are trivial to run now with changes to how syncing works a while back. AppViews are entirely up to the designer of the view. You can make it as complex and expensive or cheap and fast as you want, it’s entirely up to you. You do not have to provide the exact same functionality as Bluesky’s AppView and can basically do whatever you want.

> - content not in line with the political left is censored

Can you provide examples to me of this being true?

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