3 papers
cs.CR2026
Toward Practical Decentralized Proof-of-Location via Physical Witnessing Zones
Tamor Tomson, Eduardo Brito, Amnir Hadachi +1
Digital services increasingly rely on claims that a person, device, or asset was in a specific place at a specific time. Today, those claims often depend on self-reported location…
cs.CR2026
Decentralized Proof-of-Location for Content Provenance: Towards Capture-Time Authenticity
Eduardo Brito, Fernando Castillo, Amnir Hadachi +2
Reliable use of real-world data requires confidence that recorded evidence reflects what actually occurred at the moment of capture. In adversarial or incentive-misaligned cyber-ph…
cs.CR2025
A Taxonomy and Methodology for Proof-of-Location Systems
Eduardo Brito, Fernando Castillo, Liina Kamm +2
Digital societies increasingly rely on trustworthy proofs of physical presence for services such as supply-chain tracking, e-voting, ride-sharing, and location-based rewards. Yet,…