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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
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

FT Pet House

Ứng dụng nuôi thú cưng ảo dưới dạng NFT. Người chơi có thể feed, chơi và trade thú cưng trên marketplace.

Tech StackReact, Web3
Builder
MMinh Sơn
SocialFiDeFiNFT

TempWallets

TempWallets are disposable temporary wallet technology. It allows Degens to connect to risky DApps or receive crypto anonymously. Users can generate temporary wallets deterministically from their Metamask signatures.

Tech StackEthers, React, Vue, Web3, Node, Next, Nestjs, TypeScript
Builder
RRahul Pandey
InfraDeFiOther

TreeView

TreeView is the world’s first 4D semantic mapping network, capturing not just the geometry of the Earth (X, Y, Z) but also the dimension of time (T). Unlike traditional maps, TreeView doesn’t just show where things are—it shows how they change and what they mean. By fusing AI and blockchain, TreeView transforms everyday videos and sensor data from smartphones, dashcams, drones, and satellites into living, dynamic maps. Contributors are rewarded through a unique scoring mechanism where data quality is evaluated every minute, linked directly to on-chain token emissions. This hybrid AI + DePIN + Web3 approach positions TreeView as the foundation for next-generation applications: from environmental monitoring and urban planning to autonomous navigation and climate intelligence.

Tech StackReact, Next, Java, Web3, Solidity, Python, Node
Builder
RRounak Kumar
RWAAINFT

Pharos Test

The goal of the Pharos Testnet is to build a robust and reliable foundation for the upcoming Pharos Mainnet, ensuring a seamless and secure user experience upon launch.

Tech StackReact, Web3, Ethers, Move, Rust, Node, Go, Python
Builder
MManNguyet
SocialFiDeFiDAO

MetaLoot

Imagine earning rewards not just for what you spend—but for how you spend. Welcome to MetaLoot, the gamified cashback revolution built for the Web3 age.

Tech StackReact, Next, Web3, Ethers, Node, Solidity, Blockchain, MetaMask SDK
Builder
RRohit Sharma
DeFiNFTGaming

Spend2Grow – Auto-Invest Leftover Change

Spend2Grow auto-invests your leftover change from MetaMask Card transactions into DeFi yield farms turning spare cents into growing savings, effortlessly and intelligently.

Tech StackReact, Web3, Ethers, Next, Node, MetaMask SDK, Circle Wallets
Builder
RRohit Sharma
DeFiSocialFiInfra

tixets

we are excited to present a decentralized event ticketing platform built on EduChain Blockchain.

Tech StackReact, Next, Web3, Node, Ethers, Solidity
Builder
AAjey Awasthi
SocialFi

Pencil Finance

Bringing $3 Trillion in Student Loans On-Chain

Tech StackReact, Solidity, Next
Builder
YYirou Yang
RWA

EduFund

Fund Dreams, Build Together - EduFund is a blockchain-powered crowdfunding platform ensuring transparency, security, and accountability

Tech StackWeb3, React, Ethers, Solidity
Builder
KKishore Aanand
DeFiRWA

Educonnect

EduConneqt - Your Decentralized Social Hub

Tech StackNode, Ethers, Solidity, React, Web3
Builder
Ddavidsolomoncheruvathur
SocialFi

EduBricks

EduBricks is a platform enabling fractional ownership of tokenized real estate, making investments more accessible

Tech StackNext, Web3, Ethers, Solidity, Vercel
Builder
HHarsha Kumar
DeFiNFTRWA

Lang EDU

A decentralized app for anonymous language exchange, connecting global learners through blockchain and personalized tokens on EDU Chain.

Tech StackNext, Web3, Ethers, Node, Solidity
Builder
PPRITHWISH CHATTERJEE
DeFiSocialFiInfra
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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