EUROCRYPT '93 Workshop on the theory and application of cryptographic techniques on Advances in cryptology
Location-based authentication: grounding cyberspace for better security
Internet besieged
SECTOR: secure tracking of node encounters in multi-hop wireless networks
Proceedings of the 1st ACM workshop on Security of ad hoc and sensor networks
GEO-RBAC: A spatially aware RBAC
ACM Transactions on Information and System Security (TISSEC)
Wireless device identification with radiometric signatures
Proceedings of the 14th ACM international conference on Mobile computing and networking
Location-based trust for mobile user-generated content: applications, challenges and implementations
Proceedings of the 9th workshop on Mobile computing systems and applications
Guaranteeing the Authenticity of Location Information
IEEE Pervasive Computing
Enabling new mobile applications with location proofs
Proceedings of the 10th workshop on Mobile Computing Systems and Applications
Geo-fencing: Confining Wi-Fi Coverage to Physical Boundaries
Pervasive '09 Proceedings of the 7th International Conference on Pervasive Computing
Proving your location without giving up your privacy
Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications
Toward trustworthy mobile sensing
Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications
I am a sensor, and I approve this message
Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications
Enforcing spatial constraints for mobile RBAC systems
Proceedings of the 15th ACM symposium on Access control models and technologies
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Location proofing using identity based encryption and the Google cloud on the mobile applications
Proceedings of the 50th Annual Southeast Regional Conference
The shy mayor: private badges in geosocial networks
ACNS'12 Proceedings of the 10th international conference on Applied Cryptography and Network Security
The man who was there: validating check-ins in location-based services
Proceedings of the 29th Annual Computer Security Applications Conference
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Recently, there has been a dramatic increase in the number of location-based services, with services like Foursquare or Yelp having hundreds of thousands of users. A user's location is a crucial factor for enabling these services. Many services rely on users to correctly report their location. However, if there is an incentive, users might lie about their location. A location proof architecture enables users to collect proofs for being at a location and services to validate these proofs. It is essential that this proof collection and validation does not violate user privacy. We introduce VeriPlace, a location proof architecture with user privacy as a key design component. In addition, VeriPlace can detect cheating users who collect proofs for places where they are not located. We also present an implementation and a performance evaluation of VeriPlace and its integration with Yelp.