diff --git a/NIP.md b/NIP.md
index 1a0f332..cfb8bf6 100644
--- a/NIP.md
+++ b/NIP.md
@@ -1597,6 +1597,12 @@ kind 31925), and the pass shows the event title, date/time, venue, cover image,
 **who it admits** (your display name) and the going count. `/#/verify/:naddr`
 renders kind `31923` too and links to the event page.
 
+**Ticket vs host (2026-10-02):** an attendee's card is labelled **"MY TICKET"**
+and an organiser's **"EVENT · HOST"** — a self-made card is never presented as
+organiser-issued. A ticket's QR adds **`?h=<holder-npub>`**, so `/verify` fetches
+the holder's **RSVP (kind 31925, `#a` = the event)** and shows *Ticket holder* +
+*RSVP: Going / Interested / No RSVP found* — a real door check with no server.
+
 ### Verification
 
 Both card types are verifiable. The QR on a printed card encodes the `naddr` of