Platin (Platin.io) combines location data with a lightweight and secure Proof of Location (PoL) protocol to enable geospatial capabilities in the decentralized world. With Platin, anyone can geo-locate a digital asset (cryptocurrencies, documents, images, etc.), anywhere on the map, anywhere in the world, in real time. Platin implements the Platin Plexus, a dedicated distirubted ledger, powered by its tokens. Tokens are used to enable location proofs to be requested via Platin's Proof of Location (PoL) protocol on the blockchain, or to enable the coupling of and representation of geographical information within secure digital assets. Such services operate under various names such as Sensor Harvesting, Location Witnessing, Geospatial Air Drops, Proof of Address, Secure Beacon Staking, and more. Platin's Signal Harvesting application is in beta release, available on Android.