this post was submitted on 13 Jan 2025
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Because of the way the protocol works.
There is no way to accomplish this is a publicly federated network without trusting the portals people use and/or creating some sort of public key exchange on friend requests.
This results in privacy breaches being as simple as compromising one node, or writing some code to make a node hostile.
The key idea would be basically when you friend/follow someone you send them your public key, they keep a list of keys and encode/individually send followed messages to people. Very onerous.
This.
The constant refrains of "Why won't this public content sharing network bend over backwards to keep the things I share private?" shows a persistent misunderstanding of what's going on here.
And also of how much privacy they actually have while using centralized social media. But that's a whole other kettle of fish.
How do I upvote this post twice?
You can have multiple accounts, maybe on different instances, and you can upvote with all of them. A lot of clients allow easy account switching, e.g. in voyager if you tap on your username on the bottom bar twice, it opens an account selector dialog.
I will use that liberally from now on. An upvote from me.
Yes, people very much misunderstand thus stuff.
Doesn't PixelFed allow marking accounts private though?
I don't know what mechanism they use, but I have a hunch that if you allowlist one user from an instance, the instance owner could potentially see the stuff. Not just your own instance owner.