Logo

Open House Archive

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

projects-banner

All Projects

By ProjectBy Buildathon
Build
  • Explore Buildathon
  • Project Archive
Hack
Hack Coming Soon
  • Explore IRL Hackhouse
  • How to Qualify
  • Past Events

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
H

Hendrix Iphonk

Surabaya, Indonesia
Champion
15
No.1
M

Minh Sơn

Vietnam
Champion
15
No.2
R

Ricky

California
Champion
15
No.3

Arbitrum Open House NYC: Online Buildathon

Upcoming

Build what’s next

UnOpen Close

58 days left

Tech Stack

All

Level

-

Total Prize

30,000 USD

ONLINE
6+
participants
Arbitrum Open House NYC: Online Buildathon

Arbitrum Open House Dubai: Online Buildathon

Upcoming

Build what’s next

UnOpen Close

142 days left

Tech Stack

All

Level

-

Total Prize

30,000 USD

ONLINE
participants
Arbitrum Open House Dubai: Online Buildathon

Arbitrum APAC Mini Hackathon

Live

A Four-Week Sprint to Explore Stylus, Orbit, and Open Innovation

Registration Close

24 days left

Tech Stack

All

Level

-

Total Prize

4,000 USD

ONLINE
26+
participants
Arbitrum APAC Mini Hackathon

Arbitrum Open House India: IRL Hack Bengaluru

Ended

Code in Bengaluru. Launch on Arbitrum. Pitch at Demo Day. $70k up for grabs.

Winner

Announced

Tech Stack

Solidity,Rust

Level

general

Total Prize

70,000 USD

HYBRID
78+
participants
Arbitrum Open House India: IRL Hack Bengaluru

Arbitrum Open House India: Online Buildathon

Ended

$33k and three spots for the IRL Hacker House in Bengaluru are up for grabs

Winner

Announced

Tech Stack

Solidity,Rust

Level

general

Total Prize

33,000 USD

ONLINE
178+
participants
Arbitrum Open House India: Online Buildathon

Arbitrum X EDU Chain Mini-Hack

Ended

Beginner-friendly Arbitrum Hackathon

Winner

Announced

Tech Stack

All

Level

newbie

Total Prize

5,000 USD

ONLINE
116+
participants
Arbitrum X EDU Chain Mini-Hack

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