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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
z

zorzalcripto

regencia
Champion
51
No.1
z

zcy22606

chengdu
Champion
26
No.2
D

David Barasa

Kenya
Champion
19
No.3

RupeeBridge

n INR-pegged stablecoin (arbINR) on Arbitrum One (main deployment chain) and supports minting, burning, transfers, and DeFi integrations. This is a real-world asset (RWA)-backed stablecoin project.

Tech StackReact, Next.Js, Web3, Ethers, Node, Solidity, Python, Rust
Builder
RRohit Sharma
DeFiNFTRWA

RupeeBridge

n INR-pegged stablecoin (arbINR) on Arbitrum One (main deployment chain) and supports minting, burning, transfers, and DeFi integrations. This is a real-world asset (RWA)-backed stablecoin project.

Tech StackReact, Next.Js, Web3, Ethers, Node, Solidity, Python, Rust
Builder
RRohit Sharma
DeFiNFTRWA

AutoSynth

AutoSynth integrates TriggerX’s decentralized automation layer with Arbitrum Vibekit’s autonomous DeFi agent framework, enabling a new class of self-executing financial strategies. By combining TriggerX’s time-, event-, and condition-based scheduling with Vibekit’s natural-language-driven DeFi agents, AutoSynth allows agents to autonomously manage liquidity, execute trades, and trigger governance actions across L2 networks. Powered by EigenLayer’s AVS security and the Model Context Protocol (MCP), AutoSynth offers a secure, flexible, and developer-friendly automation stack for multi-chain DeFi intelligence.

Tech StackNext, Web3, Solidity, VibeKit
Builder
AAkash Palan
AIInfraDeFi

DCA Agent

DCA Agent is a Farcaster Mini-App built on Arbitrum Mainnet using the VibeKit SDK. It allows users to create automated DCA strategies in the simplest possible way - by just typing a natural language prompt. The app leverages VibeKit MCP tools and executes swaps through Camelot DEX, making the process seamless and non-custodial.

Tech StackNext, Web3, Ethers, Node, TypeScript, JavaScript
Builder
NNikhil Sondarava
DeFiAI

Vesto

Vesto is a cross-chain yield aggregator that lets users deposit any token from any chain and automatically earn the best available yield. We handle swaps, bridging, and rebalancing so users stay in the highest APY vault — with one click.

Tech StackReact, Next, Web3, Ethers, Solidity, Node, express.js, hardhat
Builder
HHarsh Sharma
DeFiRWAAI

Stylus-English-Auction

English Auction is a decentralized NFT auction platform where sellers can list their NFTs and participants compete by placing progressively higher bids in ETH over a 7-day period. At the end of the auction, the highest bidder wins ownership of the NFT, while the seller securely receives the winning bid amount, with refunds available for non-winning participants.

Tech StackNext, Web3, Ethers, Node, Rust
Builder
KKrish Modi
NFT

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
MMan Nguyet
SocialFiDeFiDAO

Arbminidefi

A cutting-edge decentralized finance (DeFi) platform built on the Arbitrum Sepolia testnet, enabling users to seamlessly lend, borrow, and manage their crypto assets with advanced real-time validation

Tech StackReact, Solidity, Ethers
Builder
SSwathiga Ganesh
DeFi

Alloc8 Camelot Hedge

Alloc8 is an agentic asset allocation protocol that lets you programmatically delegate funds using smart accounts.

Tech StackSolidity, Next, Web3
Builder
SShivam Kalra
DeFiAI

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
SocialFiInfra

Safe Work Pay

SafeWorkPay is a freelancing platform for IT projects and coding tasks. It uses Blockchain and AI technology to make sure clients and freelancers have a secure and fair experience.

Tech StackReact, Web3, Ethers, Node, Solidity, Arbitrum One, AI Agent, Hardhat
Builder
CCipher Hex
DeFi

MEGHA NETWORK

Recycle your OLD MOBILE DEVICES into AI AGENT HOSTS and earn $USDC. Join the DePIN Revolution!

Tech StackNext, Solidity, Web3
Builder
SSam Felix
AIInfraOther
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