much much lower - also bc of distributed nature nobody know exact number really (by design somewhat) - some X user track follower geoip using 2rd party services without knowing 50% of USA / EU origin IP are local users these 2 regions massive cheap VPN / VPS
also - impersonators are -95% lower in nostr than in X at least observed
so both fake followers -70% + impersonators -95% as compared to X
NIP05 ticker is NOT needed if pay ATTENTION ending characters of real authentic npub