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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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life-vault

LifeVault is a non-custodial inheritance and savings protocol built on Arbitrum Sepolia using Arbitrum Stylus (Rust).

Tech StackReact, Next, Rust, Web3, arbitrum stylus
Builder
OOpe Ayeni
DeFi

StylusArena

StylusArena gamifies DeFi education. Players train AI agents through gameplay—no coding required. Agents deploy as Stylus contracts on Arbitrum, ready to execute real trading strategies autonomously.

Tech StackReact, Next, web3, Solidity, Rust
Builder
IIrham
DeFiGamingAI

Wrap-Up-Arbitrum

Wrap-Up: The verifiable web's intelligence layer. Curate articles with AI, access smart summaries, and earn rewards for building a transparent, community-owned news ecosystem.

Tech StackReact, Web3, Ethers, Node, Solidity
Builder
DDaksh Thakran
SocialFiRWAAI

perpX

perpX is a decentralized leveraged trading protocol that reimagines perpetual futures by introducing forced expiry and outcome-based settlement.

Tech StackReact, Next, Web3, Ethers, Rust, Arbitrum, Stylus, Node
Builder
AAman Jha
DeFi

Seturan FI

A permissionless cross-chain lending protocol powered by LayerZero and built for composability on Arbitrum

Tech StackSolidity, Web3, Next, Ponder, LayerZero, Cross-chain, Arbitrum, Foundry
Builder
Rruina ventura
DeFi

Verdict

Verdict: Capital-efficient prediction markets for real-world asset strategies. Deploy 100% of your capital

Tech StackReact, Solidity, Ethers, Next, Node
Builder
PPreyanshu Mishra
InfraAI

SlemanFi

A comprehensive DeFi lending protocol built using Solidity (Foundry) and Arbitrum Stylus (Rust)

Tech StackStylus, Next, Web3, Solidity, React, Foundry, Chainlink, Ponder
Builder
HHafsidee
DeFi

OrbitFinanceV2

A Hybrid Self-Repaying Lending Protocol Combining DeFi + Real-World Assets

Tech StackReact, Next, Web3, Node, Solidity
Builder
DDIPTI PATHAK
DeFiRWANFT

LockD

LockD: The Web3 accountability protocol. Stake crypto as a hostage for your goals. Miss a deadline? Assets freeze. Turn loss aversion into pure productivity.

Tech StackNext, React, Node, Web3, Solidity, Arbitrum
Builder
FFarros Mufid
SocialFiOther

No Risk Arbitrum Pot

This project is a decentralised blockchain based zero loss lottery system.

Tech StackReact, Web3, Ethers, Node, Solidity
Builder
RRahul Rathore
GamingDeFi

Bountyx

The Trustless Bounty Marketplace on Arbitrum.

Tech StackWeb3, typescript
Builder
MMaaz
DeFiSocialFiOther

GuessFi-Arbitrum

一款休闲字谜卡牌游戏

Tech StackSolidity, Ethers, React, Rust
Builder
BBraised six
Gaming
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Builder Highlight

Most Hackathon Won

Most Project Built

Project Highlight

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
R

Rick

California
Champion
16
No.1
D

DHRUV PANCHOLI

jaipur
Champion
15
No.2
H

Hendrix Iphonk

Surabaya, Indonesia
Champion
15
No.3

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