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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

Nihilium

Decentralized 'Forgot my password', to onboard the next billion users

Tech StackSolidity, Ethers, Node, React
Builder
OOlaf van Wijk
InfraOther

bond.credit – Agentic Risk Coverage

AI agents that price and trade insurance on DeFi yield positions.

Tech StackNode, Web3, Solidity
Builder
NNiels Abdellatif
DeFiAIRWA

Dhruva

We stop agents from paying fake sellers. Confirmation of Payee, for the agent economy.

Tech StackReact, Solidity, Next, Web3, Node
Builder
TThulasiram Peddiboina
AIDeFi

ReineiraOS

The accountability layer for agent work.

Tech StackNode, Web3, React, Solidity, FHE, Python
Builder
Ggrimnote
AIInfraDeFi

AgentVisa

AgentVisa is a privacy preserving authorisation infrastructure for AI agents and humans. AI agent can prove that it is backed by an approved human and authorised for a constrained action, without revealing the human’s identity. A smart contract checks the proof before funds move.

Tech StackWeb3, Solidity, Node
Builder
DDaniel Abraham

Ultimate

the uxmaxxing platform.

Tech StackSolidity, React, Web3
Builder
PPiotr Duda
AIDeFi

Agama Finance

RWA yield infrastructure that turns idle tokenized stocks into a self-growing position.

Tech StackReact, Next, Web3, Ethers, Solidity
Builder
EEden Baudin
DeFiRWA

TEST-danielProject

TEST-danielProjectTEST-danielProjectTEST-danielProjectTEST-danielProjectTEST-danielProject

Tech StackNode, Web3, AGENTS, Ethers
Builder
DDaniel - Arbitrum Foundation
DeFiDAOGaming

Fonder

Fonder AI Investments is a cash-flow-aware AI treasurer that identifies truly idle corporate cash, invests it into institutional on-chain yield, and brings it back before the business needs it.

Tech StackWeb3, Solidity, Node, Ethers, Next, Python
Builder
AAlejo Lovallo
DeFiAI

SettleySend

Send money internationally and let recipients choose how to receive it: local bank, mobile money, or crypto wallet. SettleySend powers cross-border remittances with stablecoins.

Tech StackSolidity, Ethers, Web3, Python, React, Arbitrum, Typescript, Supabase
Builder
TTemisan Agbajoh
DeFiSocialFi

Folks Finance

Folks Atlas is an infrastructure allowing anyone to create their own lending app in as little as 10 minutes, no coding required.

Tech StackReact, Next, Solidity
Builder
GGidon Katten
DeFiInfraRWA

Untangled Prime

Tech StackWeb3, React, Rust, Solidity, Python
Builder
UUntangled Team
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