Blockchain-based Proof of Location
Giacomo Brambilla, Michele Amoretti, Francesco Medioli, Francesco, Zanichelli

TL;DR
This paper introduces a decentralized blockchain-based proof-of-location scheme that ensures trustworthy geographic claims while preserving user privacy, addressing limitations of centralized verification methods.
Contribution
The paper proposes a novel decentralized, infrastructure-independent proof-of-location scheme leveraging blockchain technology for enhanced privacy and trustworthiness.
Findings
Scheme guarantees location trustworthiness.
Scheme preserves user privacy.
Evaluations show effectiveness of the approach.
Abstract
Location-Based Services (LBSs) build upon geographic information to provide users with location-dependent functionalities. In such a context, it is particularly important that geographic locations claimed by users are trustworthy. Centralized verification approaches proposed in the last few years are not satisfactory, as they entail a high risk to the privacy of users. In this paper, we present and evaluate a novel decentralized, infrastructure-independent proof-of-location scheme based on blockchain technology. Our scheme guarantees both location trustworthiness and user privacy preservation.
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