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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

SportsX

Vertical AI-Native Infrastructure built for mid-tier sports clubs, enabling them to manage fan engagement, optimize ticketing operations, and unlock scalable revenue growth.

Tech StackSolidity, Typescript
Builder
RRae
AIRWAInfra

FreeTurtle

FreeTurtle deploys autonomous ai agents that run onchain businesses. We call them ceos. They don't sleep, don't burn out, and they think out loud.

Tech StackSolidity, Node, viem
Builder
MMatt Lee
AIRWA

Piggy: An iOS app to build save, earn and invest

iOS savings app leveraging Morpho vaults for yield and Robinhood chain to auto-invest yield into stocks. Earn up to 9% APY on your cash.

Tech StackSolidity, Swift
Builder
BBobby Thakkar
DeFiRWASocialFi

CanHav

CanHav uses blockchain technology to bring small business and lower costs by bulk ordering common items and thus, paying lower per unit.

Tech StackReact, Next, Solidity, Web3, Node
Builder
WWazarat Hussain
DeFiDAORWA

Isekai

A cross-chain shielded pool utilizing zk-wormholes and confidential tokens for maximum anonymity.

Tech StackWeb3, Solidity, Noir, Next, React
Builder
GGeorge Hervey
OtherInfraDeFi

Tachyon.pe

Intent-based crosschain private payment network

Tech StackGo, Solidity, Next, Ethers, Node
Builder
SShreyas Padmakiran
RWADeFiInfra

Unilaunch

Launch tokens and manage liquidity in a secure, fair, and transparent way on Uniswap V4

Tech StackReact, Next, Web3, Ethers, Solidity
Builder
BBrian Park
DeFiSocialFi

Tachyon.pe

Intent-based crosschain private payment network

Tech StackGo, Solidity, Next, Ethers, Node
Builder
SShreyas Padmakiran
RWADeFiInfra

Hopscotch.trade

A P2P marketplace where every deal is verified by an expert, agent, or friend.

Tech StackNext, Web3, Python
Builder
MMorgan Culbertson
RWASocialFiAI

EqualFi - RobinHood

This is EqualFi's Submission to the OpenHouse IRL Founders House Hackathon. A Index Token Lending System that uses RH Stock Tokens to make ETF Like Indexes and uses them as collateral

Tech StackSolidity, React, Viem
Builder
MMatthew Hooft
DeFiRWAAI

Pledge

Pledge is a habit-staking app that turns missed daily habits into yield-bearing DeFi investments on Arbitrum, creating a new retail distribution channel for on-chain assets.

Tech StackSolidity, Next, Web3, Swift, iOS
Builder
PParv Prabhakar
SocialFiDeFiRWA

Longbow

Perp dex for humans and agents on Robinhood chain.

Tech StackNext, React, Solidity
Builder
IIgor Yuzovitskiy
DeFi
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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