A geo-data marketplace that uses searchable encryption, digital commitments, and blockchain to achieve location privacy, seller accountability, and spam resistance in two trust configurations.
Blockchain-based Proof of Location
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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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A Privacy-Preserving, Accountable and Spam-Resilient Geo-Marketplace
A geo-data marketplace that uses searchable encryption, digital commitments, and blockchain to achieve location privacy, seller accountability, and spam resistance in two trust configurations.