@ DEVMatch Hackathon 2025 - Sui Track

SuiPass - DEVMatch Hackathon 2025 (Sui Track Winner)

Won 1st Place in the Sui Track at DEVMatch Hackathon 2025 for building the best password manager using Walrus and Seal. SuiPass is a comprehensive zero-trust secret management platform built on the Sui blockchain ecosystem, featuring zkLogin authentication, decentralized storage via Walrus, and threshold encryption via Seal for enterprise-grade security.

TypeScriptNext.js 15React 19Sui BlockchainSui MoveWalrus SDKSeal SDKzkLogin@mysten/dapp-kitTailwind CSSSupabaseExpress.jsAES-256-GCM

Duration

2 weeks

Team Size

Team of 5 (Technical Developer)

My Role

Technical Developer

Project Gallery

SuiPass - DEVMatch Hackathon 2025 (Sui Track Winner) screenshot 1

The Problem

Traditional password managers rely on centralized servers that can be breached, require users to trust third parties with their sensitive data, and lack proper team collaboration features. Users need a secure, decentralized way to manage passwords and API secrets without relying on centralized services that can be compromised.

The Solution

Built SuiPass, a revolutionary password manager that eliminates traditional storage vulnerabilities through zero key management (no private keys stored anywhere), passwordless zkLogin OAuth authentication, Walrus decentralized censorship-resistant storage, Seal threshold encryption for secure team collaboration, and on-chain Sui Move smart contracts for permission management. Features both Personal Vault for individual credentials and Team Workspaces with project-based secret organization, environment management, and role-based access control.

Technical Highlights

Won 1st Place Sui Track at DEVMatch Hackathon 2025 - Best Password Manager using Walrus & Seal

Zero-trust architecture with end-to-end encryption - backend never sees plaintext secrets

Integrated Walrus for censorship-resistant decentralized blob storage

Implemented Seal threshold encryption (2/3) for secure team secret sharing

Built zkLogin for passwordless OAuth authentication tied to Sui wallet

Developed Personal Vault with credential management, categories, and favorites

Created Team Workspaces with project organization and environment management (dev/staging/prod)

Implemented Change Request system with audited approvals for team collaboration

Built AI Assistant powered by Sui ecosystem for user support

On-chain permission verification via Sui Move smart contracts

Impact & Results

1st Place - Sui Track at DEVMatch Hackathon 2025

Best Password Manager using Walrus & Seal

Production-ready zero-trust secret management platform

Complete Walrus + Seal integration with real SDK implementations

Enterprise-grade team collaboration with threshold encryption