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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
s

songsu

Hong Kong
Champion
1
No.1
e

elpabl0.eth

Indonesia
Champion
1
No.2
c

contact ai

Champion
1
No.3
Most Project Built
z

zorzalcripto

regencia
Champion
60
No.1
R

Rick

California
Champion
44
No.2
D

DHRUV PANCHOLI

jaipur
Champion
33
No.3

Arbitrum Open House NYC: Online Buildathon

Ended

Build what’s next

Winner

Announced

Tech Stack

All

Level

-

Total Prize

30,000 USD

ONLINE
514+
participants
Arbitrum Open House NYC: Online Buildathon

Arbitrum Open House Dubai: Online Buildathon

Upcoming

Build what’s next

UnOpen Close

79 days left

Tech Stack

All

Level

-

Total Prize

30,000 USD

ONLINE
82+
participants
Arbitrum Open House Dubai: Online Buildathon

Arbitrum Open House Singapore: Online Buildathon

Live

Build what's next

Registration Close

50 days left

Tech Stack

Solidity,Rust

Level

-

Total Prize

115,000 USD

ONLINE
80+
participants
Arbitrum Open House Singapore: Online Buildathon

Arbitrum Open House London: Online Buildathon

Ended

Build what's next

Winner

Announced

Tech Stack

Solidity,Rust

Level

-

Total Prize

115,000 USD

ONLINE
782+
participants
Arbitrum Open House London: Online Buildathon

Arbitrum APAC Mini Hackathon

Ended

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

Winner

Announced

Tech Stack

All

Level

-

Total Prize

4,000 USD

ONLINE
232+
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
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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