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Open House Archive

Welcome to the Open House Archive - your central repository for accessing all previous Open House buildathons and projects.

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Builder Highlight

Most Hackathon Won

Most Project Built

Builder Highlight

Most Buildathon Won
E

Edy Cu

Jakarta
Champion
1
No.1
c

chubbyzroxas

Champion
1
No.2
Y

Yayan Fauzi

Champion
1
No.3
Most Project Built
z

zorzalcripto

regencia
Champion
61
No.1
A

Amaan Sayyad

Navi Mumbai, India
Champion
34
No.2
A

Aaditya Rawat

Champion
29
No.3

Project Highlight

Project Highlight

EduBricks

EduBricks is a platform enabling fractional ownership of tokenized real estate, making investments more accessible

Champion

x

Arbitrum X EDU Chain Mini-Hack

Pencil Finance

Bringing $3 Trillion in Student Loans On-Chain

Champion

x

Arbitrum X EDU Chain Mini-Hack

Stylish Course to Stylus Smart Contract Development

A comprehensive course on deploying and interacting with Stylus smart contracts on Arbitrum and EDU Chain, featuring a full-fledged Stylus IDE for seamless deployment and interaction.

Champion

x

Arbitrum X EDU Chain Mini-Hack

VineFinance

Vine Finance is a decentralized, modular revenue strategy protocol.

Champion

x

Arbitrum X EDU Chain Mini-Hack

Orbital

A next-gen AMM that supports 2, 3, or even 10,000 stablecoins in a single pool, scaling concentrated liquidity into higher dimensions.

+1
Champion

x

Arbitrum Open House India: Online Buildathon

zkArb SDK

zkArb SDK is a developer toolkit that makes building zero-knowledge apps on Arbitrum simple and fast. It provides plug-and-play Circom circuit compilation, proof generation, and ready-to-deploy verifier contracts, so developers can focus on dApps instead of cryptography.

Champion

x

Arbitrum Open House India: Online Buildathon

Blank

Private payments for public blockchains. Blank keeps transaction amounts encrypted using FHE while preserving on-chain auditability through invoices, escrow, payroll, and agent payments.

Tech StackReact, Solidity, Web3, Ethers, Fhenix CoFHE
Builder
PPrateek Tripathi
DeFiInfraRWAAI

Arbitrum Agent Kit

The first MCP-compatible autonomous AI agent framework on Arbitrum. On-chain safety enforced by AgentWallet.sol. Deployed on Arbitrum Sepolia + Robinhood Chain.

Tech StackNext, Web3, Ethers, Solidity, React
Builder
00x_Dave.
DeFiAI

ArbiProof

Onchain proof on Arbitrum that an AI agent stayed within the authority it was granted.

Tech StackReact, Web3, Node, Solidity
Builder
FFatuma Yattani
DeFiInfraAI

Gaia

Gaia is an LLM-powered oracle network on Arbitrum, built to bring real world adjudication onchain.

Tech StackRust, Web3, Next, Python
Builder
VVictory Et (Jason Of The Desolate Era)
AIOtherDeFiDAO

Ward

Ward is a credit line backed by tokenized stocks on Robinhood Chain, with an anti-liquidation autopilot. Borrow USDG against assets like TSLA, and an on-chain keeper repays from your safety buffer before a crash can liquidate you. Risk is priced by a volatility-aware engine written in Rust with Arbitrum Stylus.

Tech StackSolidity, Rust, Next, Java
Builder
LLancelot watelle
DeFiRWA

Namera

Namera is a programmable wallet layer that enables agents to securely interact with smart wallets using scoped access and defined execution rules.

Tech StackReact, Web3, Effect, Solidity
Builder
VVedant Chainani
AIInfra

Promus

Promus is a CLI-hosted agent runtime where the agent's identity, memory, reasoning, wallet, and economic life are an on-chain entity

Tech StackSolidity, Rust, Next, Bun, ERC-7857, TypeScript, OpenTUI
Builder
JJeremiah Jerry
AINFTInfra

Tychi AI

Tychi: terminal wallet for humans, MCP wallet for agents — keys local, Arbitrum onchain.

Tech StackNode, MCP, Ethers, TypeScript, Web3
Builder
YYash Singh
AIInfra

Parvalon

The missing corporate-actions layer for tokenized stocks. On-chain dividends, stock splits, and record-date semantics — for the tokens that already exist.

Tech StackReact, Solidity, Web3, Next
Builder
IIDN FX
DeFiRWAInfra

RANTAN

Buy to Earn, PERSONALIZED COMMERCE With Data Royalty

Tech StackWeb3, Next, Python, Solidity
Builder
Hheon
NFTRWAAIInfra

Parmelia

Parmelia is a stablecoin payments app on Arbitrum that lets people receive, request, swap, and manage crypto payments through simple links, QR codes, and a PWA.

Tech StackReact, Web3, Node, Solidity, Arbitrum, Cloudlare, Foundry, Firebase
Builder
DDaniel Cueto
DeFiInfraSocialFi

Treasury GuardRail

AI-powered treasury management system designed for DAOs and organizations Arbitrum Robinhood. By bridging on-chain transparency with off-chain AI intelligence, TG automates risk management, asset rebalancing, and operational payments, ensuring treasury health and sustainability without constant human intervention.

Tech StackNext, Web3, Solidity, Ethers, CI/CD, Node
Builder
BBratipah kioko
DeFiAIInfra
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