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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
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

NetFold

NetFold lets stablecoin-native businesses settle mutually approved USDG obligations by funding only their final net positions on Arbitrum.

Tech StackReact, Next, Web3, Solidity, Typescript, viem/wagmi, foundry
Builder
HHammed Oye
DeFiRWAInfra

Orb

AI-powered visual intelligence for decoding,composing,enhancing and creating media.

Tech StackPython, Javascript, Web3, Node
Builder
Vvoyager
AI

Juno

Juno is a social app where every post is a market. Post a photo or a reel and it launches its own token and bonding curve on Arbitrum in one transaction. Early fans buy in on the curve, and the creato

Tech StackReact, Next, Web3, Ethers, Solidity
Builder
Nnickthelegend
SocialFiDeFiRWA

F3 SWAP perpetual DEX on Robinhood Chain

F3 is a perp DEX on Robinhood Chain based on an LP vault and signed oracles. The vault takes the other side of every trade, so a new market launches fast with no order book or market maker. Gasless trading, multi-collateral, up to 500x.

Tech StackGo, Next, Web3, Node, Ethers, kafka, postgres
Builder
SSergey Kurnikov
DeFiRWAInfra

Mesta-Foundry

operational software platform that connects data, modeling, and operational teams so they can take direct action (write-back) on enterprise data without switching between tools.

Tech StackPython, Java, Node, Next, React, Go, OWL/SHACL, NEO4J
Builder
Ddaemon protocol
AIInfraOther

Invoice-escrow

**Problem.** A Southeast Asian exporter or agency invoices an overseas buyer and waits 30–90 days to be paid. Buyers don't want to pay upfront with no recourse; sellers can't wait. Trade finance exists but is slow, paper-based and closed to small businesses. **Solution.** Two contracts, both denominated in Paxos **USDG** (MAS-supervised, issued in Singapore):

Tech StackReact, Web3, Ethers, Solidity, Node, Tailwind Css, Rainbowkit, Vite
Builder
CChidubem Kingsley Rubeluchukwuisi
DeFiNFTRWA

Locate

Locate is a stock lending market for Robinhood Chain stock tokens, open every hour of the week. Lenders earn the borrow fee in USDG. Shorts post USDG once and borrow any listed ticker.

Tech StackNext, Web3, Ethers, Node, Solidity, Rust
Builder
AAdil Husain
DeFiSocialFi

Stealthy

Private Stablecoin Payments on Arbitrum

Tech StackNext, Node, Web3, Solidity, Circom , React, snarkjs, Poseidon
Builder
YYuvan
DeFiInfra

sirimirim copy

dedicado a todo siri q esta aprendendo

Tech StackNode, Go, Python
Builder
Zzorzalcripto
SocialFiGamingRWA

Token Tails

Play to Save game saving real cats in a shelter + donations payments railway

Tech StackReact, Next, Node, Web3, Solidity
Builder
ŽŽygimantas Bagdzevičius
NFTGamingAI

SELQEN

Browser safety layer for Robinhood Stock Tokens. Verify canonical assets, prices, multipliers and trade context directly inside dApps before you sign.

Tech StackReact, Web3, Node, TypeScript
Builder
VVIkions
InfraDeFiRWA

BorrowDesk

A dapp where users Collateralized USDG credit lines against Robinhood Chain Stock Tokens

Tech StackSolidity, Next, React, Robinhood, USDG, Arbitrum
Builder
AAmaan Sayyad
DeFiSocialFiRWA
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