Johannes Ernst on Nostr: Question of language: Is it "... on the fediverse?" Like "I'm on the internet" in ...

Question of language: Is it

"... on the fediverse?" Like "I'm on the internet" in English, or

"... in the fediverse?" Like "I'm in the internet" in German.

E.g. "If you want to share interesting links, you do that on Reddit, or on/in the Fediverse with an app like Lemmy"