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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 Hackathon Won

Most Project Built

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

Bundie

Bundie uses options to protect your crypto while it earns yield. One deposit bundles yield strategies across protocols and chains, with an options overlay for downside protection.

Tech StackWeb3, Solidity, MCP, LayerZero, React
Builder
JJun Heng Teh
DeFiAI

Asceswap

www.asceswap.com

Tech StackWeb3, Solidity, Ethers, Rust
Builder
SSaurabh Yadav
DeFi

obolos

Compliance infrastructure for tokenised equity. Private-market ownership is still fragmented. obolos embeds compliance directly into equity issuance, transfers, and governance.

Tech StackSolidity, Noir, FHE, RWA tokenisation, React, Ethers, Stylus, ZK
Builder
PPetros G. Sideris
RWAInfraOther

Universal Arbitrum Kit

Universal Arbitrum Kit is an intent-based cross-chain infrastructure that allows developers to deploy applications once on Arbitrum while enabling users from any blockchain to interact seamlessly without bridging or switching networks.

Tech StackNext, Web3, Solidity, Ethers, Node, React, hardhat, foundry
Builder
NNeeraj Choubisa
DeFiInfraOther

RYex

The capital layer for perpetual markets. Perp positions become ERC-20 rTokens. Extract, trade, or redeploy the liquidity without closing the position.

Tech StackSolidity
Builder
SSharon Yoo
DeFi

VaultFlow

Set-and-forget yield infrastructure for earning higher APY on idle EURC

Tech StackReact, Next, Typescript, Rust
Builder
AAdrian Oduma
DeFiOther

FortiLayer

"Make Arbitrum the default execution layer for institutional capital by providing programmable, composable policy controls that enforce compliance on every on-chain transfer. FortiLayer turns Arbitrum

Tech StackSolidity, Rust, Web3, Ethers, React, Node
Builder
EEmin Karagöz
InfraDeFiDAORWA

AirdropPilot AI

AI-powered airdrop discovery and reward tracking platform on Arbitrum One that helps users find campaigns, analyze eligibility, automate reminders, and maximize onchain rewards.

Tech StackSolidity, Arbitrum One, Agent AI, Next. Js, Web3
Builder
BBayu Subagya
RWADeFiAI

OBSCURA FINANCE

Confidential RWA deal rooms for private credit. Investors submit encrypted bids, issuers repay onchain, and auditors verify with permissioned disclosure on Arbitrum Sepolia.

Tech StackSolidity, React, Next, Web3, Node
Builder
EEmin Karagöz
RWADeFiInfra

HyperDex

RWA tradFi Options & Perps DEX

Tech StackReact, Next, Vue, Web3, Ethers, Node, Solidity, Rust
Builder
BBert Banegil
DeFiAIRWA

Yamata

One account. Every market. Any collateral. Yamata is a universal credit architecture for assets whose value depends on future truth.

Tech StackReact, Web3, Ethers, Solidity, Go, Node, Next
Builder
BBrendan Mannion
DeFiInfraOther

KLIPP

Web3 identity layer where your business card, verified credentials, and tokenized equity all live on one chain — sign up with email, no crypto knowledge needed.

Tech StackRust, Ethers, Node, Solidity, React, Web3, Next
Builder
MMuthu Selvan
NFTRWASocialFi
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