Open House Archive
Welcome to the Open House Archive - your central repository for accessing all previous Open House buildathons and projects.
Builder Highlight
Most Hackathon Won
Most Project Built
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
Competitive AI arena on Arbitrum where autonomous agents stake real tokens to prove intellectual superiority.
Private ERC-20 payments on Arbitrum. Deposit once, pay teams without exposing who paid whom or how much, withdraw when ready. ZK proofs in-browser and onchain verifier, live on Arbitrum Sepolia.
AI copilot that turns crypto intent into Injective onchain action plans with risk-aware review.
First ERC-8226 implementation: AI-managed tokenized equities on Robinhood Chain with atomic on-chain mandate enforcement, two-agent reasoning, correlation-aware risk, and examiner-ready compliance rec
ChainFlux is a two layer platform built on Arbitrum Sepolia. The Attention Layer aggregates eight live Ethereum signals into a single score from 0 to 100, transforming raw blockchain data into interpreted signals anyone can understand. The Trading Layer lets traders act on those signals through perpetual markets on Gas price and transactions per block. Blockchain data has always been observable. ChainFlux makes it tradeable. Frontend: https://github.com/azebiri09/chainflux-insights
LEVER is the derivatives layer for prediction markets. It builds on top of the leading prediction markets, letting traders go long or short with leverage on any listed outcome.
Nyxora is Your Personal Web3 Assistant—a highly secure, non-custodial AI Middleware that bridges on-chain DeFi execution with off-chain OS automation. Built with a Zero-Trust 3-Tier IPC Architecture and an advanced 4-Layer Cognitive Memory, it empowers users to execute natural language smart-swaps, automate DeFi habits, and connect external agents via MCP on Arbitrum—all without ever exposing their private keys to the AI.
Privacy-preserving prediction markets powered by Fhenix FHE on Arbitrum. Trade forecasts, automated price rounds, and multi-outcome markets while keeping market sentiment and positioning private.
Mandate is a policy firewall for AI-agent finance. It keeps user funds in a smart account and lets agents act only when onchain rules approve, blocking unsafe actions before funds move.
ArbiGame Agent is an AI-powered onchain game builder for Arbitrum. Describe a game idea, and the app uses Gemini to generate a structured GameSpec, Solidity game template, and playable frontend preview. The current demo includes a live solo dice game on Arbitrum Sepolia where players connect a wallet, start a round, roll dice, and claim prizes onchain.
A hybrid payment protocol that solves the N+1 Signature Problem for AI agent payments. Combining x402's HTTP-native service discovery with continuous MNEE token streams on Ethereum.
Onchain index protocol for tokenized equities on Robinhood Chain. Create thematic baskets of stocks, earn revenue as a creator through ERC-7641, and get AI-assisted composition from natural language investment theses. For investors, discover thematic indices to buy and hold a diversified stocks portfolios.