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
songsu
elpabl0.eth
contact ai
zorzalcripto
Rick
DHRUV PANCHOLI
ZYURA makes flight delay insurance simple and instant using Arbitrum. Travelers pay a small premium, and if their flight is delayed, payouts are triggered automatically through smart contracts. No paperwork, no claims, and no waiting, just fast, reliable coverage. We make travel insurance transparent, affordable, and accessible to everyone.
ArbiRupee is a Rupee-backed stablecoin on Arbitrum, enabling INR deposits via Razorpay and 1:1 arbINR minting for seamless DeFi access.
Zynqtra is a gamified networking platform that makes events more engaging through QR scans, interest-based matches, and interactive challenges with live leaderboards.
A Stylus-powered recurring payments protocol on Arbitrum One, enabling automated subscriptions and payouts with Gelato.
A comprehensive DeFi platform on the Mantle chain providing secure transfers, group payments, and smart savings features
A payment solution that lets users pay via stablecoins directly from their crypto wallets, while merchants receive instant INR through UPI, bridging the gap between crypto and everyday payments.
We’re building Unwallet, a new payment infrastructure designed for the agent-driven future. It enables agents, people, and businesses to transact seamlessly on Arbitrum Sepolia with USDC, supporting micro-payments, stealth P2P transfers, and plug-and-play business integrations.
Fargo is a platform that lets users create AI-generated images using their own NFTs. Users can mint these AI-generated images as new NFTs to store them permanently and create even more AI creations.
**Escrow Guild** is an AI-powered platform that automates secure, one-time smart contract generation for Escrow trades
CredStreak is an on-chain accountability app where users stake tokens on challenges—starting with fitness steps —and prove completion with Reclaim zkTLS,Built as a Farcaster mini-app on Arbitrum, it turns streaks into social, verifiable achievements.
ArbiRush is all about quick decisions and clean runs. Learn the flow, grab boosts, and see how high you can climb on the leaderboard.
Arland is a blockchain strategy game where every player owns an island as a smart contract. Grow resources, expand land, and choose your path—trade with allies or raid enemies—in a fully on-chain world of battles and expansion. Build, conquer, and rise as the strongest island ruler in this decentralized realm.