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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

Agentra (Arbitrum)

Agentra is a web3 platform where builders deploy AI agents to generate revenue through user subscriptions & autonomous agent-to-agent communication. You built the agent. We made it an asset.

Tech StackReact, Web3, Ethers, Node, Solidity
Builder
MMohit
NFTAIInfraOther

963X Protocol

Perpetual DEX + prediction markets + tokenized TradFi on Arbitrum One — live mainnet May 2026, <10ms execution, 50x leverage

Tech Stack
Builder
EEd Dat

GrantOS

GrantOS is the first onchain grant protocol that enforces milestone delivery with cryptographic proofs not trust, not screenshots, not committee opinion. The contract verifies. The code runs.

Tech StackNext, Web3, Ethers, Node, Solidity, Nestjs, Noir
Builder
YYusrah Mohammed
DAOAIInfraOther

Himaya Agent: Security Shield for Arbitrum Retail

"A frictionless, AI-driven security agent on WhatsApp/Telegram that provides real-time transaction risk analysis and dApp auditing for the Arbitrum ecosystem."

Tech StackWeb3, Move, Solidity, Node
Builder
MMuthahid Sabeel
DeFiAI

Rentline Sandbox

Rentline Sandbox is an onchain real estate environment on Robinhood Chain. For investors, it is a turn-based simulation where you trade fractional property tokens with macro-driven real estate finance products like mortgages and liens. For developers, it is an RWA toolkit for token design, recurring cash flows, and fiat to stablecoin servicing conversion.

Tech StackWeb3, Python, Solidity, Ethers, Node, Next, React
Builder
BBrandyn Hamilton
RWAInfraAI

AI Agent Blockchain Execution Platform

One API that gives any AI agent the ability to simulate, execute, and track on-chain actions autonomously

Tech StackRust, Solidity, Html, Web3
Builder
AArdent Research
AIInfraDeFi

HashFit

HashFit is a sportswear brand taking the Web3 cultural layer beyond DeFi, proof that physical consumer brands can be built natively on-chain from day one.

Tech StackReact, Ethers, Solidity, Typescript
Builder
IIbrahim Oladotun
NFTOtherInfra

txKit

Open protocol and reference SDK for Ethereum transaction safety. Decode calldata, simulate, preview before sign. ERC-8265 (Prepared Transaction Envelope) reference implementation.

Tech StackReact, Web3, Node, Solidity, Next
Builder
MMike Diamond
AIInfraRWA

AI & Powers Protocol

AI-powered tools and agents for the Powers Protocol: making it easy to create on-chain governed organisations and keep them adaptive through AI-assisted deliberation and reform.

Tech StackReact, Next, Web3, Solidity, Node
Builder
TTeije Hidde Donker
DAOAI

Symlyt

Symlyt is a user-friendly financial platform that makes crypto and DeFi simple. It enables users to access digital dollars, send and receive funds, and access DeFi earning opportunities while abstracting away wallets, gas, networks, and other onchain complexities.

Tech StackReact, Node, Web3, Ethers, Solidity, Java
Builder
SSahabia Yakubu
DeFiAISocialFi

AgentAudit AI

On-chain AI compliance infrastructure for autonomous AI agents. Immutable audit trails, ZK-proof verification, and automated EU AI Act reporting (Articles 9-15, 50, 53, 72) deployed on Arbitrum One and 4 other EVM mainnets. 169/169 tests passing. EU AI Act enforcement deadline August 2026.

Tech StackWeb3, Ethers, Node, Solidity, TypeScript, Foundry
Builder
EEwelina Guzik-Czenszak
AIInfra

Eliezer Suite

Eliezer Suite is an AI freight logistics platform on Arbitrum that reduces payment risk and fraud using confidential escrow, on-chain compliance, and digital Bills of Lading for secure trade.

Tech StackNext, Web3, Solidity, Rust
Builder
LLucky Nweke
DeFiRWAAIInfra
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