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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

Parallax

Parallax is a provider-agnostic pre-execution remediation and re-verification layer for onchain actions.

Tech StackWeb3, Solidity
Builder
KKai Ze
DeFiInfra

NOMEN

Find AI agents for your work, inspect public identity evidence, and review wallet-signed complaint history across test networks.

Tech StackReact, Next, Node, Python, Solidity
Builder
MMetehan İzal
InfraAI

HoodFi Names

HoodFi Names is a lifetime ENS naming service on Robinhood Chain. Users register human readable names (name.hoodfi.eth) , Names work across all ENS compatible wallets and platforms. Simple and safe.

Tech StackSolidity, Python, Javascript, Ruby, Typescript, CSS
Builder
HHector Morel
SocialFiInfraOther

AgentPlace

AgentPlace is a multichain operating system for autonomous crypto workers. Users describe a goal, and persistent specialist Workers coordinate research, intelligence and capabilities across crypto through an AgentPlace-owned deterministic Router, with durable jobs, evidence, provenance and explicit safety boundaries.

Tech StackReact, Node, Web3, typescript, postgresql, vite, viem, Better Auth
Builder
IIsaac Akadiri
AIInfraDeFi

Agent Guardian

On-chain security layer for autonomous AI agents that enforces permissions, spending limits, approvals and emergency recovery before transactions reach the blockchain.

Tech StackWeb3, Ethers, Solidity
Builder
RRinat
InfraAIDeFiDAO

Zoniq Finance

Zoniq Finance is a hybrid PayFi relay protocol built on Arbitrum that bridges local fiat payments (QRIS) with on-chain settlement. It enables mainstream consumers to purchase digital assets seamlessly without a Web3 wallet, while securing protocol revenue through an automated merchant deposit sub-ledger executed on Arbitrum L2.

Tech StackReact, Web3, Ethers, Solidity, Node, Arbitrum, Supabase, TypeScript
Builder
HHarun Tamale
DeFiInfraRWA

Mandate Markets

Non-custodial infrastructure for automated trading on Hyperliquid and Polymarket. Connect an account we can trade but can never withdraw from, pick three numbers once, and forecasts are executed for you 24/7 - sized, stopped on the exchange itself, closed on a rule.

Tech StackNode, Python, TypeScript, SQLite, viem, Hyperliquid SDK, Claude Code
Builder
AAndre Worix
DeFiInfraAI

farmenta

Deposit a Uniswap LP position NFT as collateral and borrow USDG against it. The position stays whole, stays in range, and keeps collecting its trading fees while the loan is open.

Tech StackReact, Next, Solidity
Builder
SSinggih Brilian Tara
DeFiOther

ScopePay

Milestone escrow on Arbitrum where nobody can sit on the money: funded before you start, paid when you deliver.

Tech StackSolidity, Ethers, Arbitrum, USDC, USDG, OpenZeppelin
Builder
DDare Ayodeji
DeFiInfra

Banda

Composable ETFs onchain. One token, every asset inside.

Tech StackSolidity, Next, Web3, Viem, Bun
Builder
Ssyntaxyz
DeFiRWAOther

Tnega

Wall Street Moved On-Chain.

Tech StackReact, Node, Python, Solidity, Web3
Builder
SSaba Azadegan
AIDeFiInfra

DeFine

DeFine is an early-warning system for EVM wallets. It shows what needs attention now and why, across the wallet or specific DeFi positions, and alerts users when risk appears or changes.

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