Trezor Bridge Guide

Overview

Trezor Bridge is software that securely connects your Trezor hardware wallet to web browsers and desktop applications. It allows you to interact with Trezor Wallet and third-party services while keeping your private keys safe on the device.

• Secure connection for Chrome, Firefox, Edge, Brave.
• Supports Windows, macOS, Linux.
• Encrypted communication between wallet and device.
• Enables firmware updates and transaction signing.

How Trezor Bridge Works

1. Installation: Runs in the background on your computer.
2. Device Connection: Detects your Trezor when connected via USB.
3. Secure Communication: Encrypts communication between device and browser/app.
4. Transaction Handling: Transactions are signed inside the Trezor device.
5. Browser Integration: Web interfaces communicate via a local server (localhost).

Installation

Windows

1. Go to Trezor Start Guide.
2. Download the Windows version of Trezor Bridge.
3. Run the installer and follow instructions.
4. Connect your Trezor and open Trezor Wallet.

macOS

1. Download the macOS version from the official website.
2. Open the .dmg file and drag Trezor Bridge to Applications.
3. Connect your Trezor and open Trezor Wallet.

Linux

1. Install via package manager or download the .tar.gz file.
2. Follow instructions in the README file.
3. Start Trezor Bridge and connect your device.

Troubleshooting

Problem	Solution
Browser cannot detect Trezor	Ensure Bridge is installed and running; refresh browser or restart.
Trezor Bridge not installing	Disable antivirus/firewall temporarily; run as administrator.
Device not recognized	Try a different USB port or cable; check for firmware updates.
Bridge outdated	Download the latest version from Trezor Start Guide.
Connection errors on Linux	Ensure udev rules are installed; restart system.

Official Resources

• Trezor Official Website
• Start Guide
• Support Center
• Firmware Updates

Top 5 FAQs

1. Do I need Trezor Bridge for all Trezor devices? Yes, it is required for browsers to detect Trezor One and Trezor Model T.
2. Is Trezor Bridge safe? Yes. Communication is encrypted, and private keys never leave the device.
3. Can I use Trezor without Bridge? Some desktop apps may bypass Bridge, but browsers require it.
4. How do I know if Trezor Bridge is installed? Check for the Trezor Bridge process in system tray or Activity Monitor. Refresh Trezor Wallet; device should be detected.
5. Does Trezor Bridge work on mobile? No, currently only desktop OS is supported. Mobile uses WebUSB or Trezor Suite.