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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

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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

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
A

Aaditya Rawat

Champion
29
No.1
K

Kaptan

Turkiye
Champion
22
No.2
G

Gwill❤️‍🔥

Champion
15
No.3

Longbow

Perp dex for humans and agents on Robinhood chain.

Tech StackNext, React, Solidity
Builder
IIgor Yuzovitskiy
DeFi

GridPay - The First DePIN Energy Exchange on Arbitrum

The first company in history to autonomously mint a cryptocurrency token from a real home's solar energy export. Live on Arbitrum One. March 5, 2026.

Tech StackNext, Web3, Ethers, Node, Solidity, Python
Builder
DDevan Webb
RWA

ChainCraft

An AI multiplayer game builder and creator infrastructure.

Tech StackReact, Web3, Next, Node, Solidity
Builder
RRyan Beltran
GamingAIInfraNFT

Aspens Protocol

Direct Crosschain Trading Pairs

Tech StackWeb3, Rust, Solidity
Builder
SScott Tuddenham
DeFi

Aspens Protocol

Direct Crosschain Trading Pairs. Make your own direct crosschain market for any tokenized assets.

Tech StackWeb3, Rust, Solidity
Builder
SScott T
DeFi

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

Jarvis

Jarvis powers stablecoins for trade finance. Automate custom contract payment terms and tap into instant liquidity.

Tech StackSolidity, React, Next, Ethers, Typescript
Builder
AAkhil Maheepathi
OtherDeFiRWA

VibeBlock

Turn any idea into a deployed crypto product in 10 seconds. Smart contract + frontend + audit, auto-generated. End users see dollars and buttons, never wallets or gas.

Tech StackReact, Web3, Solidity, Ethers, Arbitrum, LayerZero, ZeroDev, Alchemy
Builder
Pphil
AI

Ioxa

Ioxa is a web 3 SaaS analytics platfom delivering real time AI-driven insight for tokens, wallets and projects. Making blockchain data accessible, verifiable, and secure.

Tech StackNode, React
Builder
JJeffrey
InfraAI

Peridot

Lend, borrow, and trade leverage cross-chain with a fintech grade UX.

Tech StackSolidity, Go, React, Web3, Ethers, Node, Rust
Builder
PPeridot Finance
DeFi

Unlloo

Under-collateralized loans backed by reputation.

Tech StackReact, Next, Web3, Node, Solidity, NestJs, Typescript
Builder
FFilip Masarik
DeFi

disintermedia

We’re automating revenue collection and distribution for film—so cast, crew, and investors get auditable, tradable shares instead of waiting years for a check that may never come.

Tech StackReact, Web3, Node, Solidity
Builder
Aaleeza
DeFiRWAOther
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