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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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LuckyClaw

The lossless GameFi protocol that turns stablecoin yield into an exciting game

Tech StackSolidity, Python
Builder
22777
GamingNFTDeFi

Pencil Finance - Arbitrum

The world's first RWA protocol for Student Loans

Tech StackNext, Solidity, React
Builder
Ffrank
RWADeFi

Adev

Decentralized channel subscriptions.

Tech StackSolidity, React, Rust, Python
Builder
TTed Adams
SocialFiDAOInfra

Veil Vote

Veil Vote is a privacy-preserving on-chain voting platform. It allows users to commit and reveal votes securely using cryptographic commitments, ensuring vote confidentiality during the voting process

Tech StackRust, React, Web3
Builder
Iikinyapeter93
SocialFiDAO

Attesta

Attesta Kit is a passkey-first, policy-based infrastructure SDK for building secure smart accounts and payment flows on Arbitrum. It replaces seed phrases with WebAuthn passkeys, enforces on-chain exe

Tech StackNext, React, Node, Web3, Solidity
Builder
JJahnet Kiminza
InfraDeFi

ArbiStream

Real-time, per-second money streaming protocol built on Arbitrum Network.

Tech StackReact, Solidity, Web3, Ethers
Builder
OOseiwe Ifebhor
DeFi

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

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

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
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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

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