Search projects, hackathons, sponsors and tech

    ← All builders

    Joshua Kaczmarek

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

    Builds in

    Identity & reputation 1Infrastructure 1Payments 1

    Teammates

    Projects

    Onvo

    On-chain verified invoicing: create, hash & pay B2B invoices in stablecoins with World ID proof.

    foundry · hardhat · nextjs · react · solidity

    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?