Ultimate Universal App

The Ultimate Universal App is a community-powered project built with Particle Network.
It starts as a simple Universal Accounts demo and grows with your contributions into the ultimate chain-agnostic dApp.

Join Particle Network Slack to discuss ideas, contribute to the project, and get help.

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🚀 What’s Inside

• Universal Accounts SDK integration
  • One account, unified balance across chains
  • Chain-agnostic transactions
  • Gas abstraction (pay with any token)
• Starter app built with Next.js
  • Particle Connect login
  • Fetch UA addresses (EVM + Solana)
  • Display unified balances
  • Send a simple transaction (chain agnostic USDC transfer example)

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🛠 Getting Started

Prerequisites

• Node.js >= 18
• npm, yarn, or pnpm
• A Particle Network project ID, client key, app ID

Setup

git clone https://github.com/soos3d/ultimate-universal-app.git
cd ultimate-universal-app
npm install

Add your Particle credentials in .env.local:

NEXT_PUBLIC_PROJECT_ID=your_project_id
NEXT_PUBLIC_CLIENT_KEY=your_client_key
NEXT_PUBLIC_APP_ID=your_app_id
NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID=your_walletconnect_project_id # Optional

The walletconnect project ID is optional in case you don't include walletconnect.

Run locally

npm run dev

Contributing

This project is community-driven. We welcome PRs for: • New features (NFT mint, swaps, etc.) • UI/UX improvements • Docs, tutorials, tests

How to contribute 1. Fork the repo 2. Create a new branch: feature/your-idea 3. Submit a PR with clear description 4. Join our slack to discuss ideas

Recognition

We’ll merge the best contributions and give shoutouts: • GitHub README contributors section • Twitter + Discord spotlights • Community demo sessions

Resources

•	Universal [Accounts Overview](https://developers.particle.network/intro/universal-accounts)
•	Supported [Chains and Assets](https://developers.particle.network/universal-accounts/cha/chains)
•	Web [SDK reference](https://developers.particle.network/universal-accounts/ua-reference/desktop/web)

License

MIT