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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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Project Highlight

Project Highlight

EduBricks

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

Champion

7th Place

Arbitrum X EDU Chain Mini-Hack

Pencil Finance

Bringing $3 Trillion in Student Loans On-Chain

Champion

1st Place

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

First Prize

Arbitrum X EDU Chain Mini-Hack

VineFinance

Vine Finance is a decentralized, modular revenue strategy protocol.

Champion

Third Prize

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

Second prize

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

Honorable Surprise Mention

Arbitrum Open House India: Online Buildathon

zkAssetRaffle

A decentralized, transparent, and tamper-proof raffle system that bridges physical products and on-chain verification.

Tech StackNext, React, Node, Solidity, Move
Builder
Sskysys.eth
InfraRWA

Quintle

Because Trust Shouldn’t Be Optional.

Tech StackReact, Next, Web3, Ethers, Node, Solidity
Builder
AAlif Rizqullah M
DeFiNFT

WalletOps

WalletOps is a pioneering autonomous finance platform designed to bridge the gap between the convenience of Centralized Finance (CeFi) and the security of Decentralized Finance (DeFi).

Tech StackNext, React, Web3, Solidity, Node, Ethers
Builder
VVishesh Jain
DeFiAIInfra

ShadowBook

Zero MEV • Zero Slippage • Institutional Privacy

Tech StackReact, Web3, Ethers, WalletConnect, Viem, Shadcn-ui, Solidity, Mev
Builder
AAqila Rifti
InfraDeFi

celar

stablecoin api for developers by developers

Tech StackReact, Solidity, Node, Web3
Builder
Mmeme man
InfraDeFi

ChatMint AI

ChatMint AI is an Intelligent IP Studio where creators use Gemini AI to generate ideas and register visual creations as on-chain IP assets on Story Protocol, ensuring true ownership and permanence.

Tech StackReact, Next, Web3, Node, Python, Solidity, Ethers
Builder
OOm Kumar
AINFTInfra

ShadowBook

Zero MEV • Zero Slippage • Institutional Privacy

Tech StackReact, Web3, Ethers, WalletConnect, Viem, Shadcn-ui, Solidity, Mev
Builder
SSkia Variants
InfraDeFi

Focus Flow ADHD Game

An Ethereum-based Schulte Grid game built with Next.js, RainbowKit, and Hardhat. Designed for users with ADHD, it gamifies cognitive training by recording every session on-chain.

Tech StackReact, Web3, Next, Hardhat
Builder
苍苍南 余
Gaming

Arbi-AI

Arbi-AI is a smart wallet companion on Arbitrum that gives users activity insights, risk alerts, guided onboarding, and transaction previews to help them interact with DeFi safely and confidently.

Tech StackSolidity, Ethers, React
Builder
BBarsil Ochola
OtherAI

Nexus

Nexus is an intent-based DeFi automation platform on Flow EVM that lets users define what they want to do such as token swaps and automatically executes those actions on-chain at the right time.

Tech StackSolidity, Web3, Next, Ethers
Builder
AArijit Sarkar
DeFi

Nexus

Nexus is an intent-based DeFi automation platform on Flow EVM that lets users define what they want to do such as token swaps and automatically executes those actions on-chain at the right time.

Tech StackSolidity, Web3, Next, Ethers
Builder
AArijit Sarkar
DeFi

Arbi-AI

Arbi-AI is a smart wallet companion on Arbitrum that gives users activity insights, risk alerts, guided onboarding, and transaction previews to help them interact with DeFi safely and confidently.

Tech StackSolidity, Ethers, React
Builder
BBarsil Ochola
OtherAI
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Builder Highlight

Most Hackathon Won

Most Project Built

Builder Highlight

Most Buildathon Won
M

Manobendra Mandal

Kolkata, India
Champion
3
No.1
V

Vivek Sahu

India
Champion
2
No.2
s

simp1e

china
Champion
2
No.3
Most Project Built
M

Manjeet Sharma

india
Champion
16
No.1
R

Rick

California
Champion
16
No.2
D

DHRUV PANCHOLI

jaipur
Champion
15
No.3