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    HaRoLd

    @HarryR on GitHub ↗
    Projects
    3
    Winning projects
    1
    Prize money (team total)
    $1,500
    Hackathons
    3
    Active
    2025

    Builds in

    Payments 2Privacy 2Wallets & UX 2DeFi 1Infrastructure 1

    Teammates

    Projects

    AccessFi

    NFC-powered privacy-first event payments enabling tap-to-pay tickets and frictionless access

    $1,500 · Ethereum Foundation · Best Infrastructure on Client-Side Privacy

    LitGhost

    LitGhost lets you make anon PyUSD payments to Telegram users

    ethereum · ethers · hardhat · ipfs · solidity

    ProjectHedwig

    Cross-chain HTLC with Arbitrator, on Aptos & Solidity. Accelerate the happy-path, less griefing

    ethereum · move · 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?