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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 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
55
No.1
R

Rick

California
Champion
44
No.2
A

Amaan Sayyad

Navi Mumbai, India
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

AfterLife

AfterLife is a DeFI digital legacy system preventing crypto loss via inactivity.Users keep control while active;if inactivity is proven,guardians trigger secure asset distribution among beneficiaries

Tech StackNext, React, Web3, Solidity
Builder
MMrinmoy Das
DeFi

StylusForge

A complete Arbitrum Stylus ecosystem: browser IDE for zero-setup development, interactive tutorials with NFT badges and Onchain voting marketplace where developers showcase projects to attract funding

Tech StackReact, Next, Node, Web3, Ethers, Rust, Solidity, Python
Builder
Kkamwanga Rahiim
InfraDeFiAI

Gamechain

A decentralized application (dApp) built to bring innovation into card games. It provides a fun, interactive, and rewarding way for users to buy, battle monster-themed cards, and win or lose monsters

Tech StackReact, Web3, Solidity, Ethers
Builder
JJohn Obansa
GamingNFT

Gamechain

A decentralized application (dApp) built to bring innovation into card games. It provides a fun, interactive, and rewarding way for users to buy, battle monster-themed cards, and win or lose monsters

Tech StackReact, Web3, Solidity, Ethers
Builder
JJohn Obansa
GamingNFT

Jackpet

Jackpet is a decentralized, luck-powered pet game on Arbitrum, where players stake 0.01 ETH to roll adorable pets, compete for jackpots, and share rewards from an ever-growing on-chain prize pool

Tech StackNext, Web3, Solidity, Ethers
Builder
00xSevenK
DeFiGaming

Service Ledger

Decentralized voucher marketplace connecting local businesses with customers

Tech StackNext, Web3, Ethers, Solidity
Builder
AAbhishek Singh
DeFiNFTRWA

Crowdfunding-dApp-Demo

End-to-End Crowdfunding dApp Demo

Tech StackNode, Vue
Builder
YYuze Hao
SocialFiDeFi

AquaFlow

One-Click Unified Liquidity: Flow Seamlessly Across Arbitrum's Universe

Tech StackRust, Solidity, Next, Web3, Ethers, React, Node
Builder
AAaditya Rawat
InfraDeFiAI

AquaFlow

One-Click Unified Liquidity: Flow Seamlessly Across Arbitrum's Universe

Tech StackSolidity, Next, React, Web3, Ethers, Node
Builder
AAaditya Rawat
InfraDeFiAI

Crowdfunding-dApp-Demo

End-to-End Crowdfunding dApp Demo

Tech StackNode, Vue
Builder
Hhq_1759148490
SocialFiDeFi

tetris.rs

A Tetris demo written in Rust under 500 lines of code

Tech StackRust
Builder
Hhq_1759148490
Gaming

tetris.rs

A Tetris demo written in Rust under 500 lines of code

Tech StackRust
Builder
YYuze Hao
Gaming
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