A basement club with no signal is the normal case, not the edge case. The door app preloads the roster, scans offline, and reconciles when it reconnects. Double-scans are caught atomically, so nobody gets in twice.
Door staff see who’s admitted — never how much money you’ve made. The money gate is built into the door, not bolted on.
- Offline scanning with later reconciliation
- Atomic check-in — no double admits
- Box office and cash sales at the door
- Staff never see revenue figures