Safe & secure O3 wallet
Take control of your O3 assets with complete confidence in the Trezor ecosystem.
- Secured by your hardware wallet
- Use with compatible hot wallets
- Trusted by over 2 million customers

Send & receive your O3 with the Trezor Suite app
Send & receive
Trezor hardware wallets that support O3
Sync your Trezor with wallet apps
Manage your O3 with your Trezor hardware wallet synced with several wallet apps.
Trezor Suite
MetaMask
Rabby
Supported O3 Network
- Arbitrum One
Why a hardware wallet?
Go offline with Trezor
- You own 100% of your coins
- Your wallet is 100% safe offline
- Your data is 100% anonymous
- Your coins aren’t tied to any company
Online exchanges
- If an exchange fails, you lose your coins
- Exchanges are targets for hackers
- Your personal data may be exposed
- You don’t truly own your coins
How to O3 on Trezor
Connect your Trezor
Open a third-party wallet app
Manage your assets
Make the most of your O3
Trezor keeps your O3 secure
- Protected by Secure Element
The best defense against both online and offline threats
- Your tokens, your control
Absolute control of every transaction with on-device confirmation
- Security starts with open-source
Transparent wallet design makes your Trezor better and safer
- Clear & simple wallet backup
Recover access to your digital assets with a new backup standard
- Confidence from day one
Packaging & device security seals protect your Trezor’s integrity
O3 Layer is a modular Layer 3 blockchain built on Bitcoin, designed to improve scalability, efficiency, and interoperability. By combining Arbitrum Orbit for execution, Avail for data availability, and Layeredge for verification, it enables fast, secure, and cost-effective transactions. With zk-proof technology and support for Real-World Assets (RWA) and dApps, O3 Layer unlocks Bitcoin's potential beyond digital gold, proving transactions on Bitcoin Layer 1. Focused on decentralization, it prioritizes community-driven development, offering a robust, scalable solution for the blockchain ecosystem.