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    joaocosta9

    @joaocosta9 on GitHub ↗
    Projects
    2
    Winning projects
    1
    Prize money (team total)
    $1,500
    Hackathons
    2
    Active
    2025–2026

    Builds in

    Payments 2AI agents 1Infrastructure 1Privacy 1Security 1

    Teammates

    Projects

    deFilePlace

    A decentralized marketplace for buying and selling encrypted files with conditional access control.

    $1,500 · Filecoin · Best dApps powered by Filecoin Onchain Cloud

    Ephemeral Wallet

    Disposable wallets that let AI agents spend within limits and refuse risky counterparties

    base · foundry · llm · react · typescript

    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?