Geospatial
Design a Foursquare-style Check-in System
A location-verification and social gamification platform that validates a user is physically near a venue before recording a check-in.
Open and Simulate this Architecture in InfraDraftCore Architectural Components
Venue Catalog & Geospatial Index
Searchable, location-indexed set of check-in-able places.
Proximity Verification Service
Confirms the user's GPS coordinates are actually near the claimed venue.
Check-in Event Store
Durable record of every check-in, timestamped and geotagged.
Gamification/Badge & Points Engine
Awards badges and points based on check-in patterns.
Social Feed of Friends' Check-ins
Surfaces where your connections have been recently.
Venue Leaderboard Service
"Mayor"-style ranking of most-frequent visitors per venue.
Fraud/Spoofing Detection
Detects GPS spoofing used to fake check-ins.