For operators, Nostr is not interesting because it is fashionable. It is interesting if it reduces platform dependence, gives better demand context and connects guests, creators, staff and payments inside a real venue.
Venue problems
Venues have fragmented guest data, expensive acquisition, disconnected social platforms, separate POS/PMS systems, weak creator attribution and poor visibility into community demand.
Nostr venue logic
A venue can operate local relays, recognize members, surface events, connect creators, support payments and allow guests to carry identity across spaces.
Crays World
Crays World can become the real-world layer where online profiles become presence, booking, service and community context.
Operator caution
Operators should not see Nostr as replacing all systems. It is a social and identity layer that can connect with POS, PMS, booking and payment infrastructure.