This paper talks about what happens when top relays fail at the same time among other things that are very interesting regarding Nostr.


Exploring the Nostr Ecosystem: A Study of Decentralization and Resilience. https://arxiv.org/pdf/2402.05709v1.pdf

https://m.primal.net/Hqyu.png 

https://m.primal.net/Hqyv.png 

TLDR: Top 30 relays may go away and still 95% of the posts are still there. It says Nostr is better than Fediverse in terms of decentralization.

 nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6   nostr:npub18kzz4lkdtc5n729kvfunxuz287uvu9f64ywhjz43ra482t2y5sks0mx5sz