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Yup. I think a lot of potential but there's so little money in the Nostr ecosystem, and so few users—I think under 20k daily actives if going by nostr.band's stats, and that number feels about right from playing around there. (A post can get five or six replies and it'll be in the top 20 trending for that hour on the whole network.) A lot of passionate devs there, but you also get the feeling that a group-wide, low-level burnout may be on the horizon, as the demands of life take back over and a business model (any business model) seems years off. Plus this past year has been very much a golden-opportunity year to pull users from legacy social media, and Nostr's numbers have been more or less unchanged going back 365 days (again nostr.band).
So I think it's a real race for Nostr. It represents something really unique and maybe even a consequential future architecture for the internet at large, but it'll have to hang in there while the needed refinements get done. Can it hang in there? I don't know. It'll need a LOT more money, and large well-funded teams, and a clear path to 1 million daily actives. A pretty tall order, suggests why Jack may be deciding the protocol needs some high-level power nudging.