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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

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

AroundMarket

AroundMarket is a decentralized prediction market that combines AaveV3 and virtual liquidity, and it offers users an interesting trading experience through the lucky pool.

Tech StackReact, Ethers, Solidity, Node
Builder
Llive 0x
DeFiOther

AroundMarket

AroundMarket is a decentralized prediction market that combines AaveV3 and virtual liquidity, and it offers users an interesting trading experience through the lucky pool.

Tech StackReact, Ethers, Solidity, Node
Builder
00xlive
DeFiOther

fndr-new

Tokenized startup equity that earns yield on-chain — with AI insights and ZK-KYC privacy preserving.

Tech StackReact, Web3, Solidity, Arbitrum
Builder
FFabert Varico
RWADeFiAI

ArbiSnip

On-Chain Solidity Snippet Library on Arbitrum. ArbiSnip is a decentralized platform for publishing, discovering, and sharing verified Solidity code snippets on Arbitrum.

Tech StackReact, Web3, Solidity, Prisma, JavaScript, Ethers
Builder
DDaniel Akinsanya
InfraOther

ArbiSnip

On-Chain Solidity Snippet Library on Arbitrum. ArbiSnip is a decentralized platform for publishing, discovering, and sharing verified Solidity code snippets on Arbitrum.

Tech StackReact, Web3, Solidity, Prisma, JavaScript, Ethers
Builder
DDaniel Akinsanya
InfraOther

fndr-new

Tokenized startup equity that earns yield on-chain — with AI insights and ZK-KYC privacy preserving.

Tech StackReact, Web3, Solidity, Arbitrum
Builder
FFabert Varico
RWADeFiAI

GaslessGuild

GasLess Guilds is a simple Arbitrum-powered dApp that lets communities reward participation on-chain with low fees, smooth onboarding, and reputation-based incentives.

Tech StackReact, Web3, Ethers, Arbitrum
Builder
DDavid Barasa
SocialFiDAO

GaslessGuild

GasLess Guilds is a simple Arbitrum-powered dApp that lets communities reward participation on-chain with low fees, smooth onboarding, and reputation-based incentives.

Tech StackReact, Web3, Ethers, Arbitrum
Builder
DDavid Barasa
SocialFiDAO

Lucid

Intent Inheritance Protocol

Tech StackReact, Next, Web3, Java, Solidity, Rust, Arbitrum, Sepolia
Builder
JJoseph Cho
SocialFiDAOAI

Swoosh

Execute complex cross-chain transactions with natural language. Powered by AI and optimized routing all in Arbitrum + Orbit

Tech StackRust, React, Node, Railway, Chainlink CCIP
Builder
AAkan
DeFiAIInfra

Doba

Doba is an onchain audio streaming service.

Tech StackNext, Solidity, TypeScript, Alchemy Account Kit, LayerZero (OApp v2), Arbitrum One, Base
Builder
Nnjuguna
DeFiNFTRWASocialFi

Megamint

A transparent, on-chain lottery and giveaway platform that lets creators and projects engage their fans with fair, verifiable, and fun community experiences.

Tech StackReact, Ethers, Solidity, Web3
Builder
KKen Juniour
GamingNFT
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