Search projects, hackathons, sponsors and tech

    ← All builders

    Otto G

    @ottodevs on GitHub ↗
    Projects
    15
    Winning projects
    9
    Prize money (team total)
    $5,201
    Hackathons
    14
    Active
    2022–2026

    Builds in

    Social 6DeFi 5Identity & reputation 5AI agents 4DAOs & governance 3NFTs & creators 3Privacy 3Public goods & impact 3

    Teammates

    Projects

    SoulVault

    Local PII redact + wallet-gated rehydrate. Authorized wallets see granted fields.

    $1,500 · Ledger · Extend to Ledger · +1 more

    Rebirth of Humanity

    Rebirth of Humanity: A post-apocalyptic text-based strategy game where players guide humanity's survival by making crucial decisions in a world dominated by AI

    $1,000 · Flow · Most Killer App Potential

    Networking dapp for Web3 events

    Digital business cards to help people connect easier while attending web3 conferences and events. The end goal is to create a reputation ecosystem to replace web2 platforms like LinkedIn and Eventbright.

    Polygon · 🏗 Polygon — Deployed on Polygon · +2 more

    GraphID

    GraphID is a self-sovereign knowledge graph platform that promotes data autonomy by enabling users to structure, manage, and visualize their data from various Web2 and Web3 accounts.

    $2,273 · Next.ID · Next.ID & Mask Network · +1 more

    PoN - Web3 Digital Business Card

    Digital business cards to help people connect easier while attending web3 conferences and events. The end goal is to create a reputation ecosystem to replace web2 platforms like LinkedIn.

    Polygon · 7️⃣ Polygon — Top 7 · +1 more

    Omnipools

    AI-assisted pools with on-chain metadata and one-click Flow Actions payouts in USDC.

    $152 · Flow · Flow Builder Pool Prize

    Bill

    Bill is an agent embedded into a Farcaster framework, designed to consistently deliver an 8% APR on stablecoins.

    $77 · Blockscout · Blockscout Explorer Big Pool Prize

    MementoDAO

    Preservation of memories with a Filecoin DataDAO and e2e platform for event organizers and collectors

    $200 · Spheron · Spheron Network

    Curved Cow Orders

    Curved Orders are a new smart order type for CoW protocol which implement pricing curve logic

    CoW Swap · 1️⃣2️⃣7️⃣1️⃣ CoW Swap — 🥇 Most Creative Demo of ERC-1271

    Mamoru

    Non-custodial savings account on Base. Passkey Safe, scoped Uniswap session, live to 25 USDC.

    account-abstraction · base · react · tailwind · typescript

    Doca Finance

    Keep your wallet. Put it to work anyway. Shared liquidity, kept within the line.

    base · ethers · hardhat · react · solidity

    Proof of Claw

    A Private Proveable Agent Framework enabled by Risc Zero and Ironclaw

    ens · ethers · rust · the-graph

    The Purpose

    Turn video insights into action. Earn NFTs, join group challenges & win crypto from Monthly Pool

    Futarchy pools

    This document outlines a new DeFi protocol that integrates prediction markets for the distribution of a matching pool to incentivize better quality results than pure quadratic funding. It also introduces a reputation layer based on users' results in previous rounds.

    Mejora

    A beacon in the web3 space, uniting mentors and learners through a decentralized journey. 🌍🤝🔭

    optimism · the-graph

    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?