Open House Archive
Welcome to the Open House Archive - your central repository for accessing all previous Open House buildathons and projects.

Most Hackathon Won
Most Project Built
Manobendra Mandal
Vivek Sahu
simp1e
Akan
Skia Variants
Hafiidh Luqmanul Hakim
Tee Agent is an Arbitrum-native trust passport for AI agents. It lets agents be minted as on-chain entities with ERC-8004 identity and reputation, ERC-7857 encrypted private data, and Phala Intel TDX oracle execution verified through Automata DCAP.
Trade Robinhood Stocks with SEC fillings, prediction markets, & earnings signals powered by Hermes research agent,
teste 11
Beepia is a meme market on Arbitrum where humans don't trade — autonomous AI bees do. You breed a "Beebot," describe its strategy in plain English, fund it, and watch it forage the market 24/7, fully on-chain and gas-sponsored.
BattleQ is a futuristic Web3 arena where players compete in real-time multiplayer battles, conquer solo missions, and earn blockchain-powered rewards through wallet-based progression.
ATLAS is a decentralized protocol for creating and trading tokenized stock index funds on Robinhood Chain Think of it as on-chain ETFs anyone can bundle tokenized stocks (TSLA, AMZN, NFLX, AMD, PLTR) into a custom index fund, deploy it as an ERC-20 token, and earn fees when others buy it. Key Features: Create Index Funds — Bundle 2-5 tokenized stocks with custom weights, deploy as ERC-20 token on-chain Buy & Sell via AtlasVault — One-click purchasing through the liquidity vault, no need to acquire each stock individually AI Trading Terminal — Natural language interface powered by AI + real-time web search Liquidity Providers — Deposit stocks into the vault, earn 50% of all index fees Fully On-Chain — Every transaction is a real smart contract call on Robinhood Chain testnet
An OwnershipOS that brings $10T+ of private company stock onto Robinhood chain.
Contour turns Robinhood Chain tokenized stocks from passive spot assets into fully issued, disclosed, collateralized, and auditable structured products with EIP-712 mandates, Alchemy Smart Accounts, PolicyGuard enforcement, ERC-721 positions, ERC-8001 attestations, and end-to-end settlement transparency.
SpeakUp gives every on-chain shareholder a voice. Three specialized Anthropic agents (Reader, Advisor, Executor) read the full SEC proxy filing, weigh your preferences against ISS and Glass Lewis, and turn one signature into on-chain attestations on Robinhood Chain. Closes the 70% retail-shareholder voting gap before 50M Robinhood users come on-chain through tokenized stocks.
Silent Swap is a private trading protocol for buying and selling ERC20. It supports x402/MPP standards for private agentic payments and swaps.
แอปพลิเคชันนี้เป็นระบบที่สร้างขึ้นบน Google Cloud Run (สังเกตจากโดเมน .run.app) เพื่อทำหน้าที่เป็น AI Studio ในการพัฒนาหรือทดสอบแอปพลิเคชันปัญญาประดิษฐ์ (AI) ครับสาเหตุที่คุณเห็นข้อความในหน้าเว็บ เป็นเพราะระบบความปลอดภัย
Vela is a stock-collateralized credit line on Robinhood Chain — borrow USDG against your tokenized stocks, no selling, keep the upside. The Helmsman AI agent guards every position from margin calls.