To block a specific content from an instance, they have to block all instances because your instance is going to get that content from other instance instead of you. You are not even going to connect to that instance.

But if they want to completely block the federation, they can.

Since Mastodon is using ActivityPub too. How it worked after Elon?

This has been used for “redditor” by now btw.

IDK I agree that its supports me against inflation in Turkey. Bank exchange cuts are 2₺ per $ while in crypto I can buy stable coin in the price I want.