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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
59
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

Soma

SOMA is a blockchain-powered platform transforming cross-border transfers in Africa. Using offline-first USSD technology, it enables instant, low-cost transactions on any mobile phone.

Tech StackNext, Web3, Node, Solidity
Builder
IIteoluwakisi Bello
DeFi

ZapGift

ZapGift is a decentralized peer-to-peer micro-gifting platform on Arbitrum, enabling users to send ARB-based gifts with customizable messages stored on IPFS . It supports charitable donations also

Tech StackNext, Solidity
Builder
AAlfred Olumide Adenigba
DeFiNFTSocialFi

NeuroX

Name: NeuroX ㅤCategory: AI Integration + DeFi ExcellenceㅤTagline: "Smart contract auditing using neural networks in collaboration with staking for decentralized audits via manual auditing "

Tech StackNext, React, TypeScript, Tailwind CSS, Python, Node, Solidity, Ethers
Builder
AAkshat Pokhriyal
AIDAODeFi

QuikPay

QuikPay makes crypto payments instant, gasless, and as easy as scanning a QR code.

Tech StackSolidity, Next, React, Web3, Ethers
Builder
NNnenna Okoye
DeFi

Fylaro

Fylaro is a revolutionary invoice financing marketplace built on the principles of the Finternet, leveraging tokenization and the Unified Ledger to connect businesses seeking working capital with global investors.

Tech StackReact, Web3, Ethers, Solidity, Node, Tailwind CSS, Vite, Typescript
Builder
NNilesh Pathak
DeFiRWAOther

Safe WorkPay

SafeWorkPay is a freelancing platform for IT projects and coding tasks. It uses Blockchain and AI technology to make sure clients and freelancers have a secure and fair experience.

Tech StackReact, Web3, Ethers, Node, Solidity, Arbitrum One, AI Agent, Hardhat
Builder
RRahul Rathore
DeFi

dapps.co

Invest in communities like stocks (think reddit meets pump.fun)

Tech StackReact, Web3, Ethers, Node, Solidity, Python
Builder
MMohit Madan
SocialFiDAO

Thnikedge

ThinkEdge is a decentralized, AI-powered virtual classroom system designed to transform traditional online education into a more interactive, transparent, and learner-centric experience. Our platform integrates blockchain for trust and transparency, AI for personalized learning paths, and edge computing for low-latency, real-time interactions. By decentralizing control, ThinkEdge empowers educators and learners to connect without relying on centralized intermediaries, ensuring fair access, data ownership, and automated engagement tracking.

Tech StackReact, Web3, Java, Rust
Builder
VVipin Singh
DAONFTAI

ChainYodha.Ai

ChainYodha.Ai provides transparent wallet and project trust scores derived from onchain activity and optional offchain signals. It exposes an onchain oracle contract where dApps can query wallet trust

Tech StackReact, Next, Web3, Ethers, Node, Solidity, Rust, Python
Builder
AAaditya Rawat
AIInfraDeFi

ChainYodha.Ai

ChainYodha.Ai provides transparent wallet and project trust scores derived from onchain activity and optional offchain signals. It exposes an onchain oracle contract where dApps can query wallet trust

Tech StackReact, Next, Web3, Ethers, Node, Solidity, Rust, Python
Builder
AAaditya Rawat
AIInfraDeFi

CrossFund

Swap 300+ Cryptos like solana, bitcoin, etc into ETH on Arbitrum

Tech StackNext, React, Web3, Ethers, Node, Solidity, Ethereum, Arbitrum
Builder
HHimanshu Rawat
DeFiInfra

CrossFund

Swap 300+ Cryptos into any Native Ecosystem Tokens

Tech StackNext, React, Web3, Ethers, Node, Solidity, Ethereum, Arbitrum
Builder
Hhimanshu rawat
DeFiInfra
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