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    FOAM is an open protocol for decentralized, geospatial data markets


    September 2017


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    FOAM aims to create an open, consensus-driven map of the world and location sharing protocol to link geospatial data to blockchains. 

    current challenges

    The stock market, supply chains, the airline industry, the electrical grid, communication networks and more rely on GPS.

    But GPS is vulnerable to hacking and spoofing, leaving our critical infrastructure unprotected. Secure location verification is urgently needed across an array of industries.

    FOAM solves the problem of location verification with an alternative, fault-tolerant system provided through an open network of terrestrial radios that anyone can operate.

    culture & values

    This mission is backed by an unwavering commitment to five core values that will continue to guide FOAM’s development:

    • Privacy
    • Decentralization
    • Security and Verifiability
    • Openness
    • Delivering

    These tenets provide guidelines, but also provides a set of principles to guide future collaborators as the control over the FOAM protocol is slowly transferred from core contributors out to the general community. 


    The project was announced on September 22, 2017 by co-founders Ryan John King, Ekaterina Zavyalova, and Kristoffer Josefsson. The team is based out of the New Lab in the Brooklyn Navy Yard in Brooklyn, New York. The CSC, SIV, and Static Proof of Location have launched, while Dynamic Proof of Location is still under development.

     FOAM intends to be an alternative to the current GPS system, which the team claims is vulnerable to hacking, jamming and spoofing, and is inaccurate indoors and in dense urban areas. Use cases vary from Real Estate, Supply Chain, and Transportation to location-based gaming and Augmented Reality.

    core team

    Ryan John King - Co-founder & CEO

    Kristoffer Josefsson - Co-founder & CTO

    Katya Zavyalova - Co-founder & Creative Director

    Jessica Salomon - Community & Growth

    Martin Allen - Senior Blockchain Engineer

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