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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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By ProjectBy Buildathon
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Builder Highlight

Most Hackathon Won

Most Project Built

Builder Highlight

Most Buildathon Won
E

Edy Cu

Jakarta
Champion
1
No.1
c

chubbyzroxas

Champion
1
No.2
Y

Yayan Fauzi

Champion
1
No.3
Most Project Built
z

zorzalcripto

regencia
Champion
61
No.1
A

Amaan Sayyad

Navi Mumbai, India
Champion
34
No.2
A

Aaditya Rawat

Champion
29
No.3

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

SureGuy

Social peer to peer and group prediction platform

Tech StackReact, Next, Web3, Rust, Node
Builder
SSureGuy
SocialFiAIGaming

Isekai

A cross-chain shielded pool utilizing zk-wormholes and confidential tokens for maximum anonymity.

Tech StackWeb3, Solidity, Noir, Next, React
Builder
Ggeorgeh
OtherInfraDeFi

Equity for Everyone

Invest in startups tiktok style

Tech StackSolidity, Next, React
Builder
UUlises Alzogaray
DeFiRWASocialFi

BaseLots

BaseLots: RWA real estate from investment to inheritance. $50 blocks. Live: baselots.com | Demo: baselots-master.vercel.app

Tech StackSolidity, Arbitrum, ERC-3643, Ethers, Node, Next, React, Web3
Builder
NNoah Everest
RWAAIDeFiInfra

Laytus - parlay prediction markets

Laytus is a correlation-aware prediction market protocol, pricing correlated multi-outcome positions using Gaussian copulas and our proprietary ML model

Tech StackReact, Web3, Python, Solidity
Builder
DDaniel Zilper
DeFiOtherInfraAI

HOL: Programmable Secrets

Policy-backed marketplace for premium data and private agent tools. Buyers unlock access with onchain payment, programmable rules, and verifiable receipts on Robinhood Chain.

Tech StackNext, Web3, Ethers, Node, Solidity, Rust, React, Stylus
Builder
MMichael Kantor
AIInfraRWA

0x.city: The First Network State of AI Agents Powered by Namefi

On 0x.city, every agent has a domain name identity, builds on-chain reputation, pays peers autonomously, and owns assets that can be bought and sold. Powered by Namefi

Tech StackReact, Web3, Ethers
Builder
ZZainan Victor Zhou
DeFiNFTRWAAI

EqualFi - RobinHood

This is EqualFi's Submission to the OpenHouse IRL Founders House Hackathon. A Index Token Lending System that uses RH Stock Tokens to make ETF Like Indexes and uses them as collateral allowing yield and fractionalization if RWA's

Tech StackSolidity, React, Viem
Builder
MMatt Hooft
DeFiRWAAI

Cofund

Shared wallets for businesses, organizations & teams. Multisig neobank for business running on blockchain rails.

Tech StackReact, Web3, Ethers, Solidity
Builder
JJesus Najera
InfraOtherDeFi

GonnaMakeIt

A new DeFi primitive: Locked liquidity marketplace. Permanent liquidity for Arbitrum and whole ecosystem, high yields + full tradability/exit flexibility for users. Live on Arbitrum & Apechain.

Tech StackReact, Next, Web3, Ethers, Node, Java, Go, Solidity
Builder
TTommy Rostami
DeFiNFTInfra

StockFI

ETFs without the SEC. Stop-losses fully protected.

Tech StackTokenised-Stocks
Builder
Kkamal
RWADeFi

ParlayX

ParlayX is a sports betting platform where bets are backed by a shared liquidity pool funded by users.

Tech StackReact, Java, Solidity, Next
Builder
AAndrew Gonzalez
InfraDeFi
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