Search projects, hackathons, sponsors and tech

    ← All builders

    Joël Gaujard

    @defro on GitHub ↗
    Projects
    1
    Winning projects
    0
    Hackathons
    1
    Active
    2026

    Builds in

    Identity & reputation 1Public goods & impact 1Real-world assets 1

    Teammates

    Projects

    OceanWatch

    Turning citizen science into trusted, incentivized ocean conservation data

    hedera · nextjs · react · solidity · world-id

    Projects are linked from GitHub commits to each project's repo during its hackathon, so some may be missing or wrong. Prize money is each project's total, shared with teammates. Is this you?