Location Verification & Security - Location spoofing poses a threat to logistics, cybersecurity, and digital services, enabling fraud and undermining trust in GPS-based systems [1] - Blockchain-based proof-of-location (PoL) offers a tamper-proof, decentralized alternative for location verification without centralized servers [1] - PoL secures IoT, supply chains, and finance [2] Spacecoin Solution - Spacecoin by STI utilizes RF signals and blockchain to verify geolocation data [1] - Satellites have already been launched to support Spacecoin's DePIN network [1] - Nodes measure distances via RF "PING-PONG" signals and triangulate locations [2] - Location data is recorded on-chain for transparency [2] Potential Impact - The industry considers whether blockchain PoL could replace GPS for critical industries [2]