FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can be trusted for every application.


The reason for combining blockchain and mapping technologies is twofold. FOAM wants users to be able to own and control their own personal location information, as well as whom they want to share it with. At the same time, centralized mapping services like GPS – which is owned by the U.S. government and operated by the Air Force – are ultimately vulnerable and unreliable.


Elements in FOAM:

  • Crypto spatial coordinates(CSC):

The FOAM CSC is a starting point for this shared location standard, allowing any smart contract to make an immutable claim to an address on the blockchain and a corresponding location on the map.


  • Spatial Index Web app:

It is a general purpose visual blockchain explorer. The Spatial Index can serve as the front-end for any decentralized application that needs to visualize smart contracts on a map.


  • Proof of location Protocol:

FOAM The FOAM Proof of Location protocol empowers a permissionless and autonomous network of radio beacons that can offer secure location services independent of external centralized sources such as GPS.








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