Logo

Open House Archive

Welcome to the Open House Archive - your central repository for accessing all previous Open House buildathons and projects.

projects-banner

All Projects

By ProjectBy Buildathon
Learn
  • Explore Course
Build
  • Explore Buildathon
  • Project Archive
Hack
Hack Coming Soon
  • Explore IRL Hackhouse
  • How to Qualify
  • Past Events

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

Pool Party

The decentralized asset manager: stack any DeFi protocol like money legos into a strategy for friends and family, who join with Apple Pay or Google Pay. Live on Arbitrum and Robinhood Chain.

Tech StackReact, Next, Node, Solidity, Web3, Ethers
Builder
MMiguel POOL PARTY
DeFiInfraRWA

Trestle-DeFi

Trestle DeFi bridges the gig economy, digital creators, and real-world assets (RWA). Our multi-chain architecture features functional Marketplace Escrow modules, Dutch Auction price discovery, and fractionalized RWA tokenization infrastructure. Backed by automated AI-driven predictive matching and secure decentralized dispute resolution layers, Trestle is building a self-sustaining financial framework optimized across Arbitrum Sepolia, Base Sepolia, and Polygon networks.

Tech StackReact, Next, Web3, Node, Solidity, Ethers, Cloudflare, AI / Llama
Builder
JJo Kam
DeFiRWAAI

PULSE

AI-powered onchain market intelligence, wallet trading and autonomous trading agents with pay-per-use x402 services on Arbitrum.

Tech StackNext, Solidity, TypeScript, Ethers, React, Web3
Builder
Hhealth_coach
RWAAIDeFi

T-REX Capital Market

T-REX Capital Market is modular, self-service infrastructure for issuing, managing, and operating regulated tokenized assets on-chain.

Tech StackReact, Node, Solidity, Ethers, MySQL
Builder
DDhaval Davra
RWAInfra

Opportunity

Collateral-backed options on Arbitrum Sepolia and Robinhood Chain testnet, with onchain settlement, transferable option NFTs, pooled vaults and automated covered-call curators.

Tech StackReact, Web3, Solidity, TypeScript, viem, Rust
Builder
AAllan B. Pedin IV
DeFiNFTRWAAI

Fieldcast Buyer Agent

An AI agent that pays for API data only after verifying the fields are in the document, spending from an on-chain budget vault on Arbitrum.

Tech StackWeb3, Node, Solidity
Builder
MMuhammet Karakurt
AIInfra

Martingale V1

Martingale V1 is an on-chain structured product infrastructure platform that enables asset managers, RWA issuers, and other institutions to create differentiated investment products from tokenized assets. It separates asset exposure into a senior financing layer and a leveraged layer, serving different risk profiles and investment mandates. Starting with tokenized gold, Martingale supports product structuring, issuance, trading liquidity, and ongoing risk monitoring through a unified institutional platform.

Tech StackReact, Python, Solidity, Web3, Node
Builder
AAllen Song
DeFiRWAInfra

skin.xyz

skin.xyz bridges $6.7B worth of CS2 skin economy onchain.

Tech StackSolidity, Next
Builder
JJünger J.
GamingDeFiRWA

Tradepie

Tradepie is a permissioned capital-allocation protocol for autonomous trading agents. It lets groups crowdfund an autonomous trading agent, define its trading mandates and risk constraints all enforceable and immutable onchain, and collectively share the PnL through programmable vault shares.

Tech StackReact, Next, Solidity, Web3, Ethers
Builder
Ccode mojo
Other

AfterHours

Weekend-gap protection for Robinhood Chain Stock Tokens. Fully collateralized puts, priced onchain by a Stylus (Rust) engine from the feed's own history, settled on the first Monday print.

Tech StackSolidity, Next, React, Web3, Node, Rust
Builder
BBrian Chua
DeFiRWAInfra

Fables

Fables is a dynamic-fee ve(3,3) DEX for tokenized stocks on Robinhood Chain.

Tech StackSolidity, Node, TypeScript
Builder
00xcs361
DeFiRWA

Neon Mech Legion (NML)

A fully on-chain mech army: collect, fuse 3-into-1, and battle — live on Robinhood Chain.

Tech StackWeb3, Python, Ethers, Node, Solidity, Java
Builder
EEve Miranda
NFTGamingSocialFi
  • Previous
  • 1
  • More pages
  • 30
  • 31
  • 32
  • More pages
  • 127
  • Next