Open House Archive
Welcome to the Open House Archive - your central repository for accessing all previous Open House buildathons and projects.
Welcome to the Open House Archive - your central repository for accessing all previous Open House buildathons and projects.
Most Hackathon Won
Most Project Built
Edy Cu
chubbyzroxas
Yayan Fauzi
zorzalcripto
Amaan Sayyad
Aaditya Rawat
Brings private DeFi UX to Aave: shield funds, supply USDC, borrow WETH, repay, and withdraw back to private balance without exposing your strategy
100% On-chain gaming. ETH only. Self-sustaining. Impossible to grief. Skill based. No tokens, no servers, no nonesense. https://etour.games/whitepaper
The Autonomous Hedge Fund System that Implement the Cross-Chain, LVR-Protected, & Linearized Yield Protocol.
I built the first 100% on-chain, ETH-in ETH-out (no new token), skill based competitive gaming platform. No tokens, no servers, no nonesense. https://etour.games/whitepaper
Private Trading, Powered by Zero-Knowledge Proofs. Trade any token in size with zero price impact with crypto's first decentralized crossing network. Live today on Arbitrum Ecosystem.
Aurion is a non-custodial credit layer that aggregates DeFi positions across Aave and Compound, enabling higher leverage through delegated credit guarantees.
The decentralized execution layer for Web3 gigs. Merge Protocol replaces middlemen with smart contract escrow on Arbitrum, UI-assisted GitHub PR verification, and encrypted XMTP wallet chat. (191 char
Formicarium is a decentralized platform where an AI agent coordinates a fleet of autonomous machines and robots to manufacture customized products.
GainJar is a decentralized payroll streaming protocol that transforms salary from a monthly event into a continuous, real-time stream on the blockchain. Employees earn second by second and
Zeva is an intelligent agentic system that manages your wealth on Arbitrum. We wanted to make DeFi as easy as sending a DM. With Zeva, you don't need to be a crypto expert to earn yield. You just tell Zeva what you want to do, and it executes the strategy for you. It’s secured by ZK-Email and your phone's biometrics, so you get the ease of a bank with the security of a hardware wallet.
LionHeart is a Chat-First DeFi Intelligence Platform built on Arbitrum. It pairs every user with OpenClaw — an AI agent that doesn't just answer questions, but proves its competence on-chain. Think of it as a personal quant analyst that: 🎓 Teaches you DeFi (interactive lessons + quizzes) 🔍 Hunts the best yields across 10+ Arbitrum protocols in real-time 📊 Researches markets with live TVL, APY, and risk-tier analysis 🛡️ Earns your trust through an on-chain reputation score (ERC-8004 NFT) 💼 Executes trades only after reaching reputation ≥ 100 (reputation-gated)