Tŕezor™ Bŕridge: | Securing℗ Your Digital Assets©

In today’s rapidly evolving digital landscape, protecting your cryptocurrency assets is not a choice — it’s a necessity. Trezor™ Bridge plays a crucial role in this process by serving as the communication layer between your Trezor hardware wallet and your computer. Whether you're sending Bitcoin or managing Ethereum tokens, Bridge ensures a secure, private link between your browser and device.

🌉 What is Trezor Bridge?

Trezor Bridge is a background service that enables communication between your Trezor hardware wallet and supported web interfaces, such as Trezor Suite Web and third-party apps like MetaMask (when configured correctly).

It replaces the now-deprecated Chrome extension, offering a more secure, cross-browser, cross-platform communication channel.

🔧 Why You Need Trezor Bridge

Enables secure communication between your device and browser
Works in the background — no UI needed
Required for using Trezor Suite Web or browser-based apps
Eliminates dependency on browser-specific plugins

Without Trezor Bridge, your browser cannot directly access or interact with your Trezor device — making Bridge a vital component of the ecosystem.

💻 Installing Trezor Bridge (All Platforms)

🪟 Windows

Go to: trezor.io/bridge
Click "Download for Windows"
Run the installer and follow on-screen instructions
After installation, restart your browser

🍏 macOS

Download the DMG file from trezor.io/bridge
Open the file and drag Trezor Bridge to Applications
Allow system permissions if prompted
Restart your browser after installation

🐧 Linux

Download the .tar.gz package or use the command line
Install udev rules:
sudo cp 51-trezor.rules /etc/udev/rules.d/
Extract and install Bridge using:
sudo ./install.sh
Restart udev service and your browser

🧠 How Trezor Bridge Works

Once installed, Bridge runs as a local service on your machine, listening on port 21325. When you visit a supported web interface (e.g. Trezor Suite Web), your browser communicates with this local service, which in turn securely relays messages to your Trezor hardware wallet.

No cloud sync: All communication remains on your machine
No access to private keys: Keys never leave your Trezor
Verifiable integrity: You confirm each action physically on the device

🔐 Security Features

Encrypted USB communications
No UI means fewer attack vectors
Bridge only responds to authorized domains (e.g., suite.trezor.io)
All sensitive actions must be confirmed on the physical Trezor

This architecture ensures that even if your computer is compromised, unauthorized access to your assets is extremely difficult without physical access to your device and PIN.

🐞 Troubleshooting Trezor Bridge

Common Issues:

Device not recognized: Try a different USB port and ensure Trezor Bridge is running
Bridge not detected: Restart your browser and clear cache
Permission issues (Linux/macOS): Reinstall with correct permissions
Firewall blocking: Allow port 21325 on localhost

You can verify Bridge is running by visiting:
http://127.0.0.1:21325/status/

You should see a JSON response like:
{"version": "2.x.x", "success": true}

🛡️ Privacy Considerations

Trezor Bridge does not send any data to external servers. All operations take place locally. This includes:

Transaction signing
Address generation
Device authentication

Trezor Suite may ask if you’d like to enable analytics — this is always optional and opt-in.

🔄 Keeping Bridge Updated

Trezor Bridge is actively maintained. When new versions are released:

You’ll be notified via