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
A global derivatives NeoExchange for the AI value chain; turning GPU compute, inference, and AI infrastructure, into liquid, tradeable markets via its custom-built proprietary indices.
Imagine if everything you wanted to know onchain was seconds away. Sandworm is an onchain intelligence platform that lets you ask questions, find the data, run analysis, and turn your findings into visualizations and reports all in one place. We’re building the easiest way to go from an onchain question to a clear answer without spending hours digging through blockchain data.
Livestreak turns any live stream into a conviction/prediction market.
BOBC is a boliviano-pegged stablecoin project on Arbitrum, combining yield-bearing collateral with a simple QR payment app to bring local-currency payments and DeFi access to Bolivia
Lexifi: compliance for Uniswap v4 pools. Each pool sets its own rules - jurisdiction, KYC level, trade size - enforced in the contract, so no frontend can bypass them. Live on Robinhood Chain (4663).
Read-only capital-buffer checks for proposed Safe transaction batches on Arbitrum Sepolia. Stops at the first unfunded or unknown call. Synthetic onchain demo; no transaction execution.
ProtoRWA: a hardware-RWA funding platform on Robinhood Chain (USDG-settled). It fixes trust in early-stage hardware raises, backers fund via milestone escrow released only on on-chain
Givtru is a decentralized donation platform powered by multi-signature smart contracts. It enables direct, secure philanthropic giving while eliminating misuse through consensus-driven fund disbursement, ensuring donor capital is released only when verified by multiple parties.
NGOs turn verified real-world impact into tRWI tokens that anyone can fund in Paxos USDG. AI extracts, a transparent formula scores, EAS attests on-chain, and the NGO is paid in the same transaction.
A non-custodial agent that saves your DeFi loans from liquidation
A verification and settlement layer for agent payments. Predge signs outcome claims with ed25519 so a counterparty can verify them offline, and arbitrates disputes against a slashable bond.
A debugging tool that checks historical Arbitrum event responses against receipt evidence and produces reports other developers can verify offline and recheck later.