Blockchain-Based Location Proof Generation and Verification

Nosouhi, Mohammad, Yu, S, Grobler, M, Zhu, Q and Xiang, Yong 2019, Blockchain-Based Location Proof Generation and Verification, in IEEE INFOCOM 2019 : Proceedings of the IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), Institute of Electrical and Electronics Engineers, Piscataway, N.J., pp. 1-6, doi: 10.1109/INFOCOMWKSHPS47286.2019.9093768.

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Title Blockchain-Based Location Proof Generation and Verification
Author(s) Nosouhi, MohammadORCID iD for Nosouhi, Mohammad
Yu, S
Grobler, M
Zhu, Q
Xiang, YongORCID iD for Xiang, Yong
Conference name IEEE Communications Society. Conference (2019 : Paris, France)
Conference location Paris, France
Conference dates 2019/04/29 - 2019/05/02
Title of proceedings IEEE INFOCOM 2019 : Proceedings of the IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)
Publication date 2019
Start page 1
End page 6
Total pages 6
Publisher Institute of Electrical and Electronics Engineers
Place of publication Piscataway, N.J.
Keyword(s) blockchain
collusion attacks detection and prevention
location-based services
location privacy
location proof
Summary © 2019 IEEE. In location-sensitive applications, service providers need to verify the location of users in order to provide them with access to a service or benefit. This provides dishonest users with an incentive to cheat on their location by submitting fake location claims. To address this issue, a number of location proof mechanisms have been proposed in literature to date. However, they are faced with different security and privacy challenges. In this paper, we utilize the unique features of the blockchain technology to design a decentralized architecture in which mobile users act as witnesses and generate location proofs for other users. In the proposed scheme, a location proof is issued as part of a transaction that is broadcasted into a peer-to-peer network where it can be picked up by verifiers for further verification. Once a transaction is successfully verified, it is stored in a public ledger. Our security and privacy analysis shows that the proposed scheme preserves users' privacy and achieves a reliable performance against Prover-Prover and Prover-Witness collusions. Moreover, our prototype implementation on the Android platform shows that the location proof generation process in the proposed scheme is faster than the current decentralized schemes and requires low computational resources.
ISBN 9781728118789
Language eng
DOI 10.1109/INFOCOMWKSHPS47286.2019.9093768
HERDC Research category E1 Full written paper - refereed
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