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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

x

Arbitrum X EDU Chain Mini-Hack

Pencil Finance

Bringing $3 Trillion in Student Loans On-Chain

Champion

x

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

x

Arbitrum X EDU Chain Mini-Hack

VineFinance

Vine Finance is a decentralized, modular revenue strategy protocol.

Champion

x

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

x

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

x

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
A

Aaditya Rawat

Champion
29
No.1
K

Kaptan

Turkiye
Champion
22
No.2
G

Gwill❤️‍🔥

Champion
15
No.3

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 Anwari
SocialFiOther

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

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
DDongfang Wu
SocialFi

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

Rather Protocol

A self-sustaining on-chain economic loop that combines NFT trading, DeFi liquidity pools, and automated treasury management to create continuous buying pressure through deflationary token burns.

Tech StackNext, Web3, Solidity, Tailwind, ethers.js, Hardhat, Arbitrum Sepolia, Bun
Builder
DDevesh K
NFT

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

SlemanFi

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

Tech StackStylus, Next, Web3, Solidity, React, Foundry, Chainlink, Ponder
Builder
PPutra Hafsidee
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

ArbiStream

Real-time, per-second money streaming protocol built on Arbitrum Network.

Tech StackReact, Solidity, Web3, Ethers
Builder
OODION oseiwe
DeFi

stylus-ide

Build, Test, AI Integrated and Deploy Smarter with "npm i create-stylus-ide". Create New Files or Load from GitHub or Interact with On-Chain Contracts.

Tech StackNext, Web3, Rust, Node
Builder
AAaditya Srivastava
Infra

Bountyx

The Trustless Bounty Marketplace on Arbitrum.

Tech StackWeb3, typescript, Next
Builder
MMaaz .
DeFiSocialFiOther
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