The majority of the Nostr's infrastructure and applications don't collect any sort of PII. nostr:nevent1qqsqqq8wc0jarwwzaj463cm7u89qen65wgzajra0j0av7j7umxwuxggpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsyg8zenmu7gzq8ulj5jj4kv50ph3muwz43f747vmr9ld2alrjdswgavpsgqqqqqqs5vu93n