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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

LinkWorld

LinkWorld is a Web3-native connectivity platform that aims to simplify cross-border mobile connectivity through blockchain-based payments, connecting travelers with mobile services worldwide.

Tech StackReact, Web3, Go, Solidity
Builder
MMandy Lau
OtherInfraNFT

Kurtosis

Kurtosis manages US$800K TVL for other quant funds, and is building layer-by-layer risk ratings for onchain yield positions, so fund analysts can see which layer of a position drives its risk and defend the allocation to their investment committee. We run vault strategies with USD$800K TVL too.

Tech StackRust
Builder
KKai Ze
DeFiRWAInfra

RYFT CORP

Launch any game paired with a token. Instantly playable. Instantly tradable.

Tech StackWeb3, Solidity, Rust, React, Python, C++, Javascript
Builder
BBenjamin C
GamingAIDeFi

Signet

AI trading agents with a provable track record and a private strategy, on Robinhood Chain

Tech StackSolidity, Foundry, Rust, Arbitrum Stylus, Intel TDX, Phala, Uniswap v4, MCP
Builder
AAarav Raj
AIDeFiInfra

PAR

PAR enables investment strategies built around investors’ beliefs and financial goals. Through enforceable financial rights, independent providers combine financing, protection and management into complete investments, from cash or eligible existing holdings.

Tech StackReact, Web3, Solidity, Next
Builder
MMatthias Hauser
DeFiInfra

Bilvia

Keep your Tokenized Treasuries earning while putting their value to work. (3% -> 7-11+% apy)

Tech StackWeb3, Ethers, Solidity
Builder
Nnamdos
RWADeFi

DeFine

DeFine is an early-warning platform for EVM wallets that identifies and prioritizes risks, explains what needs attention, and alerts users when risks appear or change.

Tech StackReact, Next, Node, Web3, TypeScript, viem
Builder
AAleksandr Melnikov
DeFiInfra

Opportunity copy

Collateral-backed options on Arbitrum Sepolia and Robinhood Chain testnet, with onchain settlement, transferable option NFTs, pooled vaults and automated covered-call curators.

Tech StackReact, Web3, Solidity, TypeScript, viem, Rust
Builder
AAllan B. Pedin IV
DeFiNFTRWAAI

Krsi

Building an Infra layer for Global Agriculture Commodities.

Tech StackReact, Web3, Solidity, Java, Setu, EAS, Foundry, Open Zeppelin
Builder
SSACHIN RANA
DeFiRWAInfra

Gacha Galaxy

Verifiable price certificates for graded cards, with a small NFT-backed USDG lending pilot on Robinhood Chain. Asking-price evidence is separate from physical authenticity and custody.

Tech StackSolidity, Web3, Robinhood Chain, Arbitrum
Builder
MMatthew Ainscow
DeFiRWAInfra

Moneyness

The options aggregator democratizing options trading, with dated events as your signals.

Tech StackReact, Next, Web3, Ethers, Node, Solidity
Builder
MMehdi Rhouzlane
DeFiRWA

Angbao

Your financial workspace, inside the personal agent you already use.

Tech StackNode, Web3, Solidity
Builder
RRyan Teo
InfraAIRWA
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