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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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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

StylusLink

StylusLink is a trustless payment protocol that transforms standard URLs into programmable Smart Drops.

Tech StackArbitrum Stylus, Rust, Gemini, WebAuthn, Next, Typescript, Node, React
Builder
SSamuel Timmy
AIInfraSocialFi

5xFaction

5xFaction is a no-loss DeFi protocol that gamifies yield farming through strategic faction-based competition. Deposit USDC, choose your faction, compete for yield . "your principal stays 100% safe."

Tech StackSolidity, Next, Web3
Builder
YYeheskiel Yunus Tame
GamingDeFi

Fangorn

A Programmable Data Commerce Layer for the Agentic Web.

Tech StackRust, Solidity, Web3, Node, Subgraph, LangChain, Typescript, x402
Builder
Ddriemworks
AIInfraDeFi

StylusLink

StylusLink is a trustless payment protocol that transforms standard URLs into programmable Smart Drops.

Tech StackArbitrum Stylus, Rust, Gemini, WebAuthn, Next, Typescript, Node, React
Builder
00xgenzero
AIInfraSocialFi

Solar Credits - India

SolarCredits India enables small solar producers to mint AI-verified carbon credits on blockchain, unlocking real income, ultra-low fees, and transparent ESG compliance at national scale.

Tech StackReact, Web3, Ethers, Rust, Solidity, Node, Python, Arbitrum
Builder
BBhavesh Gajengi
RWAAIInfra

Legatum

Crypto is forever; you aren't. Legatum ensures your assets reach heirs via a decentralized Dead Man's Switch on Arbitrum, securing and growing your legacy automatically

Tech StackNext, Web3, Solidity, Rust
Builder
NNicholas Dwinata
DeFiSocialFi

OddPacked

OddPacked is an innovative GambleFi social red packet protocol built on the Arbitrum network. Moving away from the traditional 'first-come, first-served' fixed reward model.

Tech StackReact, Web3, Solidity
Builder
11289470395
SocialFiGaming

zkAssetRaffle

A decentralized, transparent, and tamper-proof raffle system that bridges physical products and on-chain verification.

Tech StackNext, React, Node, Solidity, Move
Builder
CCoooder Rein
InfraRWA

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
PPeter Njuguna
SocialFiDAO

Arbisper

Arbisper is mainnet-ready, end-to-end encrypted with private keys Web3 messenger with XMTP on Arbitrum under ZK protection

Tech StackWeb3, Ethers, JS
Builder
AAlex
SocialFi

ArbiPic

On-Chain Verifiable Photo Capture System empowered by Arbitrum Orbit L3 and Stylus to beat deepfakes and AI

Tech StackRust, Orbit L3, Stylus, React, Web3, Ethers, TailwindCSS, PinataIPFS
Builder
AAdil Husain
Other

ArbiPic

On-Chain Verifiable Photo Capture System empowered by Arbitrum Orbit L3 and Stylus to beat deepfakes and AI

Tech StackRust, Orbit L3, Stylus, React, Web3, Ethers, TailwindCSS, PinataIPFS
Builder
AAdil Husain
Other
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