nostr:nprofile1qqsfhcskzx35zsnwj9rz2lz5z70z95tchd75zphzglwl8eg8k7v956cpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43q80udzz when can users replace phone numbers with npubs? I'm willing to pay Bitcoin to signal for having non KYC access without a phone number.