NIP-01 - Social posts and comments

NIP-17 - DMs

NIP-20 - Public and Private chat groups

NIP-57 - Zaps

NIP-58 - Badges

NIP-52 - Location / Geohash

NIP-52 - Calendar events

NIP-98 - Auth

I believe this reflects all of your features.

Change your Nostr relay to whitelist paying customer's npubs only?

We rise together, Matteo.