Bluesky is more open than you think.
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deer.social
Isn't this just a fork of the Bsky client?
It is, but the fork could get rid of the login-wall.
All data on Atproto has to be public for it to work.
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People in Turkey are automatically subscribed to a Moderation Service
Sucking the dick of any government is censorship. That's my opinion and it's not the American version of free speech but I dont care because I'm not American.
It is, but it's also necessary sometimes. If governments didn't have any power and could just be ignored or openly defied without consequences, we wouldn't have to care about what they want to censor. But they do have power, despite all our wishing that they didn't, and we can't organize a resistance to them without careful maneuvering and sometimes at least making an appearance of playing by their rules. Government censorship you can unsubscribe from is objectively better than censorship you can't. Don't let perfect be the enemy of good.
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People in Turkey are automatically subscribed to a Moderation Service
Sucking the dick of any government is censorship. That's my opinion and it's not the American version of free speech but I dont care because I'm not American.
Its censorship no matter what, but it doesn't prove bluesky is centralised.
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Should BSky go login wall one day the same way Twitter does, then wafrn wouldn't be an alternative
I asked in the wafrn discord, they said it was for privacy. fwiw, they don't show remote fediverse profiles either
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I see a lot of misinformation about bluesky here, so I want to address a lot of the talking points against atproto/bluesky.
This is partially inspired by accounts like mastodon migration and feditips being really annoying about bluesky.
How Bluesky Works
I see a lot of people misunderstanding how it works.
The network has three main parts:- A PDS -- This stands for Personal Data Server. These store information in records, like who you are following, your posts, who you are blocking and your images.
- A relay -- These crawl PDSes and keep a copy of all the records on them. They give a "Firehose" of all the data on the network (that they crawled).
- An AppView -- These index and work through the data from the firehose. All interactions are handled through these, meaning if someone follows me on bluesky, that
app.bsky.graph.followrecord will be crawled by the relay, and recieved by the AppView. https://bsky.app/ is an Appview. Appviews don't always have to use the relays, https://whtwnd.com/ connects to PDSes directly.
This is different to ActivityPub, where if I follow someone, my server sends that information directly to the other person's server.
Common misconceptions
An atproto relay is too expensive to run.
https://atproto.africa/ is a second full-network relay run by the blacksky team. We already have a second relay, and they're not even that expensive to run anymore, a lot of people run non-archival (meaning it doesn't backfill every post) relays for less than $40 a month.
There is no instances available except for bsky.social
bsky.social isn't actually an instance, its just the domain name assigned to users by default. This is explained here: https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f
Wafrn has (opt-in) bluesky support, they act as a PDS and AppView, so if bluesky disappears tomorrow they can switch to the atproto.africa relay. (There is DID:PLC which is a problem, but I'll get to that later.)
You can't defederate bsky.social, this proves atproto is centralised!
https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f also explains this, bsky.social is just the name assigned to users, each PDS has names like https://brittlegill.us-west.host.bsky.network/ (where my account is).
While you could ignore records from a specific PDS on the App layer, its pretty pointless, since atproto is portable/content addressed, meaning a user could seamlessly move to another PDS. (AP does support moving, but its pretty seamful.)
(While I was writing this someone posted a pretty good blogpost about this: https://blog.cyrneko.eu/there-is-no-bsky-social-instance)
Bluesky can censor people in turkey, this proves they're centralised!
Those posts weren't removed, people on third party bluesky apps in turkey could still see them.
People in Turkey are automatically subscribed to a Moderation Service which hides those posts, as the government requires it.
If a person unsubscribes, or uses a third party app/server the posts are still there.Bluesky isn't decentralised as someone was banned for pointing out the head of T&S liked jailbait porn.
That person came back on a different PDS. They literally are still on bluesky because they joined a different server.
Bluesky went down due to a DDoS, this proves they are centralised!
The DDoS only crashed the Bluesky PDSes. People self hosting were fine.
Wafrn
Wafrn is a federated tumblr alternative. It started off as a tumblr clone, the dev added AP support, and eventually, Atproto support.
Its a great example of how bluesky can be built on.
If bluesky disappeared tomorrow, Wafrn could switch relays to atproto.africa, and still interact with people on other PDSes.
AppViewLite
appviewlite is a cool project I forgot to mention in the original post. It lets you self host an extremely lightweight Appview.
You can crawl PDSes yourself, eliminating the need for a relay.
https://github.com/alnkesq/AppViewLiteThe main reason I made this post is because so many people are blindly anti-atproto, without fully understanding how it works and how it can be improved.
There is obviously problems with it, but it does a lot right. (There's a lot ActivityPub should do, like content addressing, DIDs and composable moderation).
I also think we could do with a better bridge. bridgy isn't really cutting it right now.
Note on did:plc, its the only centralised part of the network as of now, its essentially the underlying ID every account has. It is possible to use a did:web id instead, which is tied to a website name.
Good post, bookmarked. A lot of fediverse people who react almost reactionary against bluesky are well meaning, but don’t really understand how it works. This is good content, thanks.
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I see a lot of misinformation about bluesky here, so I want to address a lot of the talking points against atproto/bluesky.
This is partially inspired by accounts like mastodon migration and feditips being really annoying about bluesky.
How Bluesky Works
I see a lot of people misunderstanding how it works.
The network has three main parts:- A PDS -- This stands for Personal Data Server. These store information in records, like who you are following, your posts, who you are blocking and your images.
- A relay -- These crawl PDSes and keep a copy of all the records on them. They give a "Firehose" of all the data on the network (that they crawled).
- An AppView -- These index and work through the data from the firehose. All interactions are handled through these, meaning if someone follows me on bluesky, that
app.bsky.graph.followrecord will be crawled by the relay, and recieved by the AppView. https://bsky.app/ is an Appview. Appviews don't always have to use the relays, https://whtwnd.com/ connects to PDSes directly.
This is different to ActivityPub, where if I follow someone, my server sends that information directly to the other person's server.
Common misconceptions
An atproto relay is too expensive to run.
https://atproto.africa/ is a second full-network relay run by the blacksky team. We already have a second relay, and they're not even that expensive to run anymore, a lot of people run non-archival (meaning it doesn't backfill every post) relays for less than $40 a month.
There is no instances available except for bsky.social
bsky.social isn't actually an instance, its just the domain name assigned to users by default. This is explained here: https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f
Wafrn has (opt-in) bluesky support, they act as a PDS and AppView, so if bluesky disappears tomorrow they can switch to the atproto.africa relay. (There is DID:PLC which is a problem, but I'll get to that later.)
You can't defederate bsky.social, this proves atproto is centralised!
https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f also explains this, bsky.social is just the name assigned to users, each PDS has names like https://brittlegill.us-west.host.bsky.network/ (where my account is).
While you could ignore records from a specific PDS on the App layer, its pretty pointless, since atproto is portable/content addressed, meaning a user could seamlessly move to another PDS. (AP does support moving, but its pretty seamful.)
(While I was writing this someone posted a pretty good blogpost about this: https://blog.cyrneko.eu/there-is-no-bsky-social-instance)
Bluesky can censor people in turkey, this proves they're centralised!
Those posts weren't removed, people on third party bluesky apps in turkey could still see them.
People in Turkey are automatically subscribed to a Moderation Service which hides those posts, as the government requires it.
If a person unsubscribes, or uses a third party app/server the posts are still there.Bluesky isn't decentralised as someone was banned for pointing out the head of T&S liked jailbait porn.
That person came back on a different PDS. They literally are still on bluesky because they joined a different server.
Bluesky went down due to a DDoS, this proves they are centralised!
The DDoS only crashed the Bluesky PDSes. People self hosting were fine.
Wafrn
Wafrn is a federated tumblr alternative. It started off as a tumblr clone, the dev added AP support, and eventually, Atproto support.
Its a great example of how bluesky can be built on.
If bluesky disappeared tomorrow, Wafrn could switch relays to atproto.africa, and still interact with people on other PDSes.
AppViewLite
appviewlite is a cool project I forgot to mention in the original post. It lets you self host an extremely lightweight Appview.
You can crawl PDSes yourself, eliminating the need for a relay.
https://github.com/alnkesq/AppViewLiteThe main reason I made this post is because so many people are blindly anti-atproto, without fully understanding how it works and how it can be improved.
There is obviously problems with it, but it does a lot right. (There's a lot ActivityPub should do, like content addressing, DIDs and composable moderation).
I also think we could do with a better bridge. bridgy isn't really cutting it right now.
Note on did:plc, its the only centralised part of the network as of now, its essentially the underlying ID every account has. It is possible to use a did:web id instead, which is tied to a website name.
What about private messages between users?
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I see a lot of misinformation about bluesky here, so I want to address a lot of the talking points against atproto/bluesky.
This is partially inspired by accounts like mastodon migration and feditips being really annoying about bluesky.
How Bluesky Works
I see a lot of people misunderstanding how it works.
The network has three main parts:- A PDS -- This stands for Personal Data Server. These store information in records, like who you are following, your posts, who you are blocking and your images.
- A relay -- These crawl PDSes and keep a copy of all the records on them. They give a "Firehose" of all the data on the network (that they crawled).
- An AppView -- These index and work through the data from the firehose. All interactions are handled through these, meaning if someone follows me on bluesky, that
app.bsky.graph.followrecord will be crawled by the relay, and recieved by the AppView. https://bsky.app/ is an Appview. Appviews don't always have to use the relays, https://whtwnd.com/ connects to PDSes directly.
This is different to ActivityPub, where if I follow someone, my server sends that information directly to the other person's server.
Common misconceptions
An atproto relay is too expensive to run.
https://atproto.africa/ is a second full-network relay run by the blacksky team. We already have a second relay, and they're not even that expensive to run anymore, a lot of people run non-archival (meaning it doesn't backfill every post) relays for less than $40 a month.
There is no instances available except for bsky.social
bsky.social isn't actually an instance, its just the domain name assigned to users by default. This is explained here: https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f
Wafrn has (opt-in) bluesky support, they act as a PDS and AppView, so if bluesky disappears tomorrow they can switch to the atproto.africa relay. (There is DID:PLC which is a problem, but I'll get to that later.)
You can't defederate bsky.social, this proves atproto is centralised!
https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f also explains this, bsky.social is just the name assigned to users, each PDS has names like https://brittlegill.us-west.host.bsky.network/ (where my account is).
While you could ignore records from a specific PDS on the App layer, its pretty pointless, since atproto is portable/content addressed, meaning a user could seamlessly move to another PDS. (AP does support moving, but its pretty seamful.)
(While I was writing this someone posted a pretty good blogpost about this: https://blog.cyrneko.eu/there-is-no-bsky-social-instance)
Bluesky can censor people in turkey, this proves they're centralised!
Those posts weren't removed, people on third party bluesky apps in turkey could still see them.
People in Turkey are automatically subscribed to a Moderation Service which hides those posts, as the government requires it.
If a person unsubscribes, or uses a third party app/server the posts are still there.Bluesky isn't decentralised as someone was banned for pointing out the head of T&S liked jailbait porn.
That person came back on a different PDS. They literally are still on bluesky because they joined a different server.
Bluesky went down due to a DDoS, this proves they are centralised!
The DDoS only crashed the Bluesky PDSes. People self hosting were fine.
Wafrn
Wafrn is a federated tumblr alternative. It started off as a tumblr clone, the dev added AP support, and eventually, Atproto support.
Its a great example of how bluesky can be built on.
If bluesky disappeared tomorrow, Wafrn could switch relays to atproto.africa, and still interact with people on other PDSes.
AppViewLite
appviewlite is a cool project I forgot to mention in the original post. It lets you self host an extremely lightweight Appview.
You can crawl PDSes yourself, eliminating the need for a relay.
https://github.com/alnkesq/AppViewLiteThe main reason I made this post is because so many people are blindly anti-atproto, without fully understanding how it works and how it can be improved.
There is obviously problems with it, but it does a lot right. (There's a lot ActivityPub should do, like content addressing, DIDs and composable moderation).
I also think we could do with a better bridge. bridgy isn't really cutting it right now.
Note on did:plc, its the only centralised part of the network as of now, its essentially the underlying ID every account has. It is possible to use a did:web id instead, which is tied to a website name.
Christine Lemmer-Webber made an excellent blog post ~6 months ago titled How Decentralized is Bluesky really?
Give that a read.
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Christine Lemmer-Webber made an excellent blog post ~6 months ago titled How Decentralized is Bluesky really?
Give that a read.
- https://whtwnd.com/bnewbold.net/3lo7a2a4qxg2l
- https://bsky.app/profile/dustyweb.bsky.social/post/3lp4jtxxomc2p
I was wrong in my read on things; the new relays are pulling the entire network. Definitely a different experiment at that point.
Mea culpa on misrepresenting.
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Christine Lemmer-Webber made an excellent blog post ~6 months ago titled How Decentralized is Bluesky really?
Give that a read.
+1, I came here just to paste a link to it
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That's a good question, as of now, its not possible without self hosting something.
deer.social is an alt-app, but it uses bsky's relay iirc.
I might be wrong, but feeds get their data from relays, correct? So if you are using any of the Blacksky feeds, presumably you would indirectly be using the atproto.africa relay?
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I might be wrong, but feeds get their data from relays, correct? So if you are using any of the Blacksky feeds, presumably you would indirectly be using the atproto.africa relay?
It should, yes.
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Christine Lemmer-Webber made an excellent blog post ~6 months ago titled How Decentralized is Bluesky really?
Give that a read.
wrote last edited by [email protected]I don't mean this in an agressive way, but did you really think I haven't read that?
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What about private messages between users?
That is horribly centralised, but its not (imo) an essential part of the network.
They do intent to fix it at some point. -
Its censorship no matter what, but it doesn't prove bluesky is centralised.
You could say it was irelephant
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I don't mean this in an agressive way, but did you really think I haven't read that?
Well, if you have read it then your cherry picking of minor ways Bluesky is slighly less closed comes accross as pretty bad faith
-
I see a lot of misinformation about bluesky here, so I want to address a lot of the talking points against atproto/bluesky.
This is partially inspired by accounts like mastodon migration and feditips being really annoying about bluesky.
How Bluesky Works
I see a lot of people misunderstanding how it works.
The network has three main parts:- A PDS -- This stands for Personal Data Server. These store information in records, like who you are following, your posts, who you are blocking and your images.
- A relay -- These crawl PDSes and keep a copy of all the records on them. They give a "Firehose" of all the data on the network (that they crawled).
- An AppView -- These index and work through the data from the firehose. All interactions are handled through these, meaning if someone follows me on bluesky, that
app.bsky.graph.followrecord will be crawled by the relay, and recieved by the AppView. https://bsky.app/ is an Appview. Appviews don't always have to use the relays, https://whtwnd.com/ connects to PDSes directly.
This is different to ActivityPub, where if I follow someone, my server sends that information directly to the other person's server.
Common misconceptions
An atproto relay is too expensive to run.
https://atproto.africa/ is a second full-network relay run by the blacksky team. We already have a second relay, and they're not even that expensive to run anymore, a lot of people run non-archival (meaning it doesn't backfill every post) relays for less than $40 a month.
There is no instances available except for bsky.social
bsky.social isn't actually an instance, its just the domain name assigned to users by default. This is explained here: https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f
Wafrn has (opt-in) bluesky support, they act as a PDS and AppView, so if bluesky disappears tomorrow they can switch to the atproto.africa relay. (There is DID:PLC which is a problem, but I'll get to that later.)
You can't defederate bsky.social, this proves atproto is centralised!
https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f also explains this, bsky.social is just the name assigned to users, each PDS has names like https://brittlegill.us-west.host.bsky.network/ (where my account is).
While you could ignore records from a specific PDS on the App layer, its pretty pointless, since atproto is portable/content addressed, meaning a user could seamlessly move to another PDS. (AP does support moving, but its pretty seamful.)
(While I was writing this someone posted a pretty good blogpost about this: https://blog.cyrneko.eu/there-is-no-bsky-social-instance)
Bluesky can censor people in turkey, this proves they're centralised!
Those posts weren't removed, people on third party bluesky apps in turkey could still see them.
People in Turkey are automatically subscribed to a Moderation Service which hides those posts, as the government requires it.
If a person unsubscribes, or uses a third party app/server the posts are still there.Bluesky isn't decentralised as someone was banned for pointing out the head of T&S liked jailbait porn.
That person came back on a different PDS. They literally are still on bluesky because they joined a different server.
Bluesky went down due to a DDoS, this proves they are centralised!
The DDoS only crashed the Bluesky PDSes. People self hosting were fine.
Wafrn
Wafrn is a federated tumblr alternative. It started off as a tumblr clone, the dev added AP support, and eventually, Atproto support.
Its a great example of how bluesky can be built on.
If bluesky disappeared tomorrow, Wafrn could switch relays to atproto.africa, and still interact with people on other PDSes.
AppViewLite
appviewlite is a cool project I forgot to mention in the original post. It lets you self host an extremely lightweight Appview.
You can crawl PDSes yourself, eliminating the need for a relay.
https://github.com/alnkesq/AppViewLiteThe main reason I made this post is because so many people are blindly anti-atproto, without fully understanding how it works and how it can be improved.
There is obviously problems with it, but it does a lot right. (There's a lot ActivityPub should do, like content addressing, DIDs and composable moderation).
I also think we could do with a better bridge. bridgy isn't really cutting it right now.
Note on did:plc, its the only centralised part of the network as of now, its essentially the underlying ID every account has. It is possible to use a did:web id instead, which is tied to a website name.
Very useful, thanks.
As I see it, Bluesky is fundamentally different from Xitter and it is a major step in the right direction. It is short-sighted to reject it because of some technical imperfections.
The fundamental question IMO is whether there is enough mindshare (i.e. users and attention) to allow ATSocial (AKA partial federation) and ActivityPub (AKA total federation) to both be successful. I'm thinking there is. After all, the vast majority of people are still on ad-fuelled corporate social media, with all its internal contradictions.
-
I see a lot of misinformation about bluesky here, so I want to address a lot of the talking points against atproto/bluesky.
This is partially inspired by accounts like mastodon migration and feditips being really annoying about bluesky.
How Bluesky Works
I see a lot of people misunderstanding how it works.
The network has three main parts:- A PDS -- This stands for Personal Data Server. These store information in records, like who you are following, your posts, who you are blocking and your images.
- A relay -- These crawl PDSes and keep a copy of all the records on them. They give a "Firehose" of all the data on the network (that they crawled).
- An AppView -- These index and work through the data from the firehose. All interactions are handled through these, meaning if someone follows me on bluesky, that
app.bsky.graph.followrecord will be crawled by the relay, and recieved by the AppView. https://bsky.app/ is an Appview. Appviews don't always have to use the relays, https://whtwnd.com/ connects to PDSes directly.
This is different to ActivityPub, where if I follow someone, my server sends that information directly to the other person's server.
Common misconceptions
An atproto relay is too expensive to run.
https://atproto.africa/ is a second full-network relay run by the blacksky team. We already have a second relay, and they're not even that expensive to run anymore, a lot of people run non-archival (meaning it doesn't backfill every post) relays for less than $40 a month.
There is no instances available except for bsky.social
bsky.social isn't actually an instance, its just the domain name assigned to users by default. This is explained here: https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f
Wafrn has (opt-in) bluesky support, they act as a PDS and AppView, so if bluesky disappears tomorrow they can switch to the atproto.africa relay. (There is DID:PLC which is a problem, but I'll get to that later.)
You can't defederate bsky.social, this proves atproto is centralised!
https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f also explains this, bsky.social is just the name assigned to users, each PDS has names like https://brittlegill.us-west.host.bsky.network/ (where my account is).
While you could ignore records from a specific PDS on the App layer, its pretty pointless, since atproto is portable/content addressed, meaning a user could seamlessly move to another PDS. (AP does support moving, but its pretty seamful.)
(While I was writing this someone posted a pretty good blogpost about this: https://blog.cyrneko.eu/there-is-no-bsky-social-instance)
Bluesky can censor people in turkey, this proves they're centralised!
Those posts weren't removed, people on third party bluesky apps in turkey could still see them.
People in Turkey are automatically subscribed to a Moderation Service which hides those posts, as the government requires it.
If a person unsubscribes, or uses a third party app/server the posts are still there.Bluesky isn't decentralised as someone was banned for pointing out the head of T&S liked jailbait porn.
That person came back on a different PDS. They literally are still on bluesky because they joined a different server.
Bluesky went down due to a DDoS, this proves they are centralised!
The DDoS only crashed the Bluesky PDSes. People self hosting were fine.
Wafrn
Wafrn is a federated tumblr alternative. It started off as a tumblr clone, the dev added AP support, and eventually, Atproto support.
Its a great example of how bluesky can be built on.
If bluesky disappeared tomorrow, Wafrn could switch relays to atproto.africa, and still interact with people on other PDSes.
AppViewLite
appviewlite is a cool project I forgot to mention in the original post. It lets you self host an extremely lightweight Appview.
You can crawl PDSes yourself, eliminating the need for a relay.
https://github.com/alnkesq/AppViewLiteThe main reason I made this post is because so many people are blindly anti-atproto, without fully understanding how it works and how it can be improved.
There is obviously problems with it, but it does a lot right. (There's a lot ActivityPub should do, like content addressing, DIDs and composable moderation).
I also think we could do with a better bridge. bridgy isn't really cutting it right now.
Note on did:plc, its the only centralised part of the network as of now, its essentially the underlying ID every account has. It is possible to use a did:web id instead, which is tied to a website name.
PDSes and relays exist at the whim of Bluesky's corporate entity. Having all of the endpoints on the network controlled by a single agent is what makes Bluesky centralized. If Bluesky decided so, your server can be removed from their network and is functionally useless at that point. They decide who is and is not allowed to be a part of Bluesky.
For contrast, no such governing body exists with ActivityPub networks. Nobody can decide whether or not an instance should be removed from the network, they can only choose whether or not to federate with that instance. If you wanted to truly silence a Lemmy instance, for example, it would take the cooperation of all the major Lemmy admins to defederate, and is an entirely democratic process as a result.
EDIT: To clarify, ATProto is not what is centralized, "Bluesky" the platform utilizing ATProto, is what's centralized.
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PDSes and relays exist at the whim of Bluesky's corporate entity. Having all of the endpoints on the network controlled by a single agent is what makes Bluesky centralized. If Bluesky decided so, your server can be removed from their network and is functionally useless at that point. They decide who is and is not allowed to be a part of Bluesky.
For contrast, no such governing body exists with ActivityPub networks. Nobody can decide whether or not an instance should be removed from the network, they can only choose whether or not to federate with that instance. If you wanted to truly silence a Lemmy instance, for example, it would take the cooperation of all the major Lemmy admins to defederate, and is an entirely democratic process as a result.
EDIT: To clarify, ATProto is not what is centralized, "Bluesky" the platform utilizing ATProto, is what's centralized.
wrote last edited by [email protected]Well, that problem also exists with mastodon.social and a lot of the actual fediverse.
Its less decentralised, but its still distributed. -
Well, if you have read it then your cherry picking of minor ways Bluesky is slighly less closed comes accross as pretty bad faith
I have read it, and a lot of the problems have been addressed.
Bluesky is still very early. There was an awkward period where lemmy was mostly lemmy.ml.I'm not trying to cherry pick anything, I'm just addressing arguments against it I have seen.
-
I see a lot of misinformation about bluesky here, so I want to address a lot of the talking points against atproto/bluesky.
This is partially inspired by accounts like mastodon migration and feditips being really annoying about bluesky.
How Bluesky Works
I see a lot of people misunderstanding how it works.
The network has three main parts:- A PDS -- This stands for Personal Data Server. These store information in records, like who you are following, your posts, who you are blocking and your images.
- A relay -- These crawl PDSes and keep a copy of all the records on them. They give a "Firehose" of all the data on the network (that they crawled).
- An AppView -- These index and work through the data from the firehose. All interactions are handled through these, meaning if someone follows me on bluesky, that
app.bsky.graph.followrecord will be crawled by the relay, and recieved by the AppView. https://bsky.app/ is an Appview. Appviews don't always have to use the relays, https://whtwnd.com/ connects to PDSes directly.
This is different to ActivityPub, where if I follow someone, my server sends that information directly to the other person's server.
Common misconceptions
An atproto relay is too expensive to run.
https://atproto.africa/ is a second full-network relay run by the blacksky team. We already have a second relay, and they're not even that expensive to run anymore, a lot of people run non-archival (meaning it doesn't backfill every post) relays for less than $40 a month.
There is no instances available except for bsky.social
bsky.social isn't actually an instance, its just the domain name assigned to users by default. This is explained here: https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f
Wafrn has (opt-in) bluesky support, they act as a PDS and AppView, so if bluesky disappears tomorrow they can switch to the atproto.africa relay. (There is DID:PLC which is a problem, but I'll get to that later.)
You can't defederate bsky.social, this proves atproto is centralised!
https://app.wafrn.net/fediverse/post/f8fc8da8-cd7e-4fae-a895-ac59dc28088f also explains this, bsky.social is just the name assigned to users, each PDS has names like https://brittlegill.us-west.host.bsky.network/ (where my account is).
While you could ignore records from a specific PDS on the App layer, its pretty pointless, since atproto is portable/content addressed, meaning a user could seamlessly move to another PDS. (AP does support moving, but its pretty seamful.)
(While I was writing this someone posted a pretty good blogpost about this: https://blog.cyrneko.eu/there-is-no-bsky-social-instance)
Bluesky can censor people in turkey, this proves they're centralised!
Those posts weren't removed, people on third party bluesky apps in turkey could still see them.
People in Turkey are automatically subscribed to a Moderation Service which hides those posts, as the government requires it.
If a person unsubscribes, or uses a third party app/server the posts are still there.Bluesky isn't decentralised as someone was banned for pointing out the head of T&S liked jailbait porn.
That person came back on a different PDS. They literally are still on bluesky because they joined a different server.
Bluesky went down due to a DDoS, this proves they are centralised!
The DDoS only crashed the Bluesky PDSes. People self hosting were fine.
Wafrn
Wafrn is a federated tumblr alternative. It started off as a tumblr clone, the dev added AP support, and eventually, Atproto support.
Its a great example of how bluesky can be built on.
If bluesky disappeared tomorrow, Wafrn could switch relays to atproto.africa, and still interact with people on other PDSes.
AppViewLite
appviewlite is a cool project I forgot to mention in the original post. It lets you self host an extremely lightweight Appview.
You can crawl PDSes yourself, eliminating the need for a relay.
https://github.com/alnkesq/AppViewLiteThe main reason I made this post is because so many people are blindly anti-atproto, without fully understanding how it works and how it can be improved.
There is obviously problems with it, but it does a lot right. (There's a lot ActivityPub should do, like content addressing, DIDs and composable moderation).
I also think we could do with a better bridge. bridgy isn't really cutting it right now.
Note on did:plc, its the only centralised part of the network as of now, its essentially the underlying ID every account has. It is possible to use a did:web id instead, which is tied to a website name.
As I understand (I could be wrong) bridgy is not useful as it could be as it got bullied into being opt-in instead of opt-out.
