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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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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

Arbnomo

The first on-chain binary options trading dapp on Blockchain

Tech StackNext, Web3, Solidity, Supabase, Pyth Oracles, x402
Builder
AAmaan Sayyad
SocialFiGaming

FanDonor

We are addressing the issues of monetization of Real-World Assets. In this platform, creators can tokenize their art and accept donations.

Tech StackReact, Solidity
Builder
SSanthosh Nair
NFTRWASocialFi

RealBot

Trustless DeFi trading agent verification using STARK proofs on Arbitrum Stylus. Generates browser-side STARK proofs of Sharpe ratio from real GMX V2 trades and verifies them on-chain — no trusted set

Tech StackWeb3, Next, Rust, DeFi, ARB, Solidity
Builder
Hhoddukzoa
DeFiInfra

ClawPay

From telegram tell your OpenClaw to order from any website - it creates a secure credit card on demand from crypto and pays for the order

Tech StackReact, Web3, Ethers, Node, Solidity
Builder
AAdil Husain
InfraAISocialFi

ClawPay

From telegram tell your OpenClaw to order from any website - it creates a secure credit card on demand from crypto and pays for the order

Tech StackReact, Web3, Ethers, Node, Solidity
Builder
AAdil Husain
InfraAISocialFi

Hyperkit

Web3 Infra for SDKs & AI Agents AI‑native dApps across all major L1 and L2 blockchains.

Tech StackNext, Solidity, Python, Node, Web3, Ethers
Builder
HHyperkit
AIInfraDeFi

FanDonor

We are developing a platform based on Blockchain technology to address the issues of monetization of Real-World Assets. In this platform, creators can tokenize their art and accept donations.

Tech StackReact, Solidity
Builder
Ssnair2001
NFTRWASocialFi

Stylus Hardware Anchor (SHA)

Hardware identity primitive for Arbitrum Stylus — binding ESP32-S3 silicon to on-chain execution. Sybil-resistant DePIN verification without TEE or secure elements.

Tech StackRust, Python, Web3, Arbitrum Stylus
Builder
AArhant Barmate
Infra

novax yield

Novax Yield tokenizes trade receivables on Arbitrum Sepolia, connecting Africa-Asia exporters with global investors. Exporters get immediate liquidity; investors earn 8-12% APY from verified invoices.

Tech StackReact, Web3, Ethers, Solidity
Builder
OOsi
DeFiRWANFTInfra

DARX - ZK Dark Pool

Private Trading, Powered by Zero-Knowledge Proofs. Trade any token in size with zero price impact with crypto's first decentralized crossing network. Live today on Arbitrum Ecosystem.

Tech StackNext, Web3, Solidity, Circom , Groth16, SnarkJS, Express JS, Supabase
Builder
ZZaky Irsyad Rais
DeFi

MintLocke

Autopilot for crypto and tokenized RWA portfolios.

Tech StackReact, Next, Node, Ethers, Web3
Builder
JJesus Burgoa
RWAAIDeFi

Stonk Brokers ( The Stonk Exchange)

StonkBrokers is an onchain launch + trading ecosystem built on Robinhood Chain Testnet that combines community formation, liquidity, and incentive-driven price action into one cohesive product. At the foundation is our fully minted-out NFT collection. The collection was intentionally designed as a go-to-market mechanism: it created an immediate, finite group of holders, aligned incentives, and a shared identity from day one. By minting out, it proved demand early and established a core community and user base that could later participate in token launches, trading, and liquidity. On top of that community layer, we introduced a token launch and exchange system, then extended it with call options to create reflexive incentives. Call options give users upside exposure to price moves, which naturally motivates participants to accumulate and support tokens they believe in—and, in practice, encourages “pump” behavior (buy pressure) because the payoff is directly tied to pushing spot price above the strike. At the same time, the system counterbalances speculation with lock-based yield incentives: users who want to earn yield from LP fee flows stake/lock their tokens (a lockup is required). That lock converts holders into long-term participants, reduces circulating supply, and aligns them with sustained trading volume and fee generation rather than short-term flips. The result is a flywheel: NFT holders bootstrap community and early participation Calls reward bullish conviction and incentivize demand/price expansion Token lockups for LP-fee yield restrict supply and promote long-term alignment Trading activity drives fees, which reinforces staking/yield participation

Tech StackNext, Web3, Python, Solidity, Node, Ethers, Telemetry, CLI
Builder
AAdmir Zlatic (Oxsimplefarmer)
DeFiNFTRWA
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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