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
Manobendra Mandal
Vivek Sahu
simp1e
zorzalcripto
zcy22606
David Barasa
TXExplain is a transaction explainer project that generates a fully detailed explanation of a transaction on Arbitrum One using the transaction hash
One-click for Private Perpetuals
EqualFi is a trust minimized DeFi protocol built around Position NFTs and explicit encumbrance. It offers 0% interest self secured loans, solo and community maker AMMs, maker auction markets (MAM curves), physically settled options and P2P Lending. All without Oracles and No Liquidations
Arbitrum's Fixed Income infrastructure for tradable yield tokens, powered by automated rolling vaults and risk-free lotteries.
One-click for Private Perpetuals
SwiftRail is a gasless USDC checkout stack for Arbitrum Sepolia. Customers sign once with USDC permit and do not pay ETH gas. A relayer sponsors gas, takes a small fee, and settles net USDC to the me
WorkProof is a Web3-powered ERP module built on Arbitrum One that transforms professional credentials into verifiable on-chain assets. It enables talent to mint Soulbound Tokens (SBTs) as immutable proof of their work experience, monetize their profiles through paid access passes with automatic royalties, and execute freelance service contracts with full payment guarantees via on-chain escrow. Built with Rust, Vue 3, and Solidity, it connects talent, companies, and validators in a trustless ecosystem where reputation has real economic value.
SwiftRail is a gasless USDC checkout stack for Arbitrum Sepolia. Customers sign once with USDC permit and do not pay ETH gas. A relayer sponsors gas, takes a small fee, and settles net USDC to the me
The trust layer infrastructure for AI agents onchain identity, registry, and economic primitives for the open agentic web built on Arbitrum .
The Autonomous Hedge Fund System that Implement the Cross-Chain, LVR-Protected, & Linearized Yield Protocol.
Permissionless treasury control plane for stablecoin and tokenized-asset operations: policy-enforced intents, oracle-based risk routing, approvals, and immutable onchain receipts.
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.