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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
M

Manobendra Mandal

Kolkata, India
Champion
3
No.1
V

Vivek Sahu

India
Champion
2
No.2
s

simp1e

china
Champion
2
No.3
Most Project Built
M

Manjeet Sharma

india
Champion
16
No.1
R

Rick

California
Champion
16
No.2
D

DHRUV PANCHOLI

jaipur
Champion
15
No.3

Project Highlight

Project Highlight

EduBricks

EduBricks is a platform enabling fractional ownership of tokenized real estate, making investments more accessible

Champion

7th Place

Arbitrum X EDU Chain Mini-Hack

Pencil Finance

Bringing $3 Trillion in Student Loans On-Chain

Champion

1st Place

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

First Prize

Arbitrum X EDU Chain Mini-Hack

VineFinance

Vine Finance is a decentralized, modular revenue strategy protocol.

Champion

Third Prize

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

Second prize

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

Honorable Surprise Mention

Arbitrum Open House India: Online Buildathon

LuckyClaw

The lossless GameFi protocol that turns stablecoin yield into an exciting game

Tech StackSolidity, Python
Builder
22777
GamingNFTDeFi

Bounty For Builders and Influencers (Bouncccer)

Because Trust Shouldn’t Be Optional.

Tech StackReact, Next, Web3, Ethers, Node, Solidity
Builder
AAlif Maruf
DeFiNFT

GhostTX

GhostTx is an analytics suite for Arbitrum Stylus. Using Rust and WASM, it provides a real-time dashboard for contract telemetry, gas simulation, and performance benchmarking. Made for L2 developers.

Tech StackReact, Web3, Ethers, Rust, Arbitrum Stylus, WASM
Builder
KKelly Pek Xue Er
InfraOther

Pencil Finance - Arbitrum

The world's first RWA protocol for Student Loans

Tech StackNext, Solidity, React
Builder
FFrank Li
RWADeFi

Pencil Finance - Arbitrum

The world's first RWA protocol for Student Loans

Tech StackNext, Solidity, React
Builder
Ffrank
RWADeFi

Adev

Decentralized channel subscriptions.

Tech StackSolidity, React, Rust, Python
Builder
TTed Adams
SocialFiDAOInfra

Safe Work Pay

SafeWorkPay is a freelancing platform for IT projects and coding tasks. It uses Blockchain and AI technology to make sure clients and freelancers have a secure and fair experience.

Tech StackReact, Web3, Ethers, Node, Solidity, Arbitrum One, AI Agent, Hardhat
Builder
RRahul Rathore
DeFi

Attesta

Attesta Kit is a passkey-first, policy-based infrastructure SDK for building secure smart accounts and payment flows on Arbitrum. It replaces seed phrases with WebAuthn passkeys, enforces on-chain exe

Tech StackNext, React, Node, Web3, Solidity
Builder
Jjanet kiminza
InfraDeFi

Veil Vote

Veil Vote is a privacy-preserving on-chain voting platform. It allows users to commit and reveal votes securely using cryptographic commitments, ensuring vote confidentiality during the voting process

Tech StackRust, React, Web3
Builder
Iikinyapeter93
SocialFiDAO

Attesta

Attesta Kit is a passkey-first, policy-based infrastructure SDK for building secure smart accounts and payment flows on Arbitrum. It replaces seed phrases with WebAuthn passkeys, enforces on-chain exe

Tech StackNext, React, Node, Web3, Solidity
Builder
JJahnet Kiminza
InfraDeFi

Swoosh

Execute complex cross-chain transactions with natural language. Powered by AI and optimized routing all in Arbitrum + Orbit

Tech StackRust, React, Node, Railway, Chainlink CCIP
Builder
AAkanimoh Johnson
DeFiAIInfra

Lucid

Intent Inheritance Protocol

Tech StackReact, Next, Web3, Java, Solidity, Rust, Arbitrum, Sepolia
Builder
JJoseph Cho
SocialFiDAOAI
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