Trezor Bridge — Secure Connection for Trezor Devices

This 1500-word guide explains Trezor Bridge, the application that connects Trezor hardware wallets to your computer securely. It includes installation, troubleshooting, advanced usage, and security best practices with highlighted sections for clarity.

Introduction

Trezor Bridge ensures safe and encrypted communication between Trezor devices and your computer applications, including Trezor Suite. Using the Bridge reduces exposure to malware and prevents unauthorized access to your private keys.

Secure Connection

Encrypted local communication

Cross-Platform

Windows, macOS, Linux support

Compatible

Trezor Suite & 3rd party apps

Installing Trezor Bridge

  • Visit the official Trezor Start page.
  • Download the correct version for your OS.
  • Run the installer and follow on-screen instructions.
  • After installation, connect your Trezor device via USB.

How Trezor Bridge Works

  • Acts as a secure local server to communicate between browser apps and Trezor device.
  • Uses HTTPS locally to encrypt communication.
  • Prevents browsers from accessing USB directly, reducing attack surface.
<!-- Example of a browser communicating with Trezor via Bridge --> GET /api/device/list HTTP/1.1 Host: localhost:21325 User-Agent: TrezorBridgeClient/1.0

Troubleshooting Common Issues

  • Device not detected? Restart Trezor Bridge service and reconnect USB.
  • Browser shows error? Ensure Bridge is installed and running.
  • Firewall or antivirus blocking? Add exception for Bridge ports.
  • Firmware mismatch? Update your Trezor device firmware before use.

Security Best Practices

  • Always download Trezor Bridge from the official site.
  • Do not use public or untrusted computers to connect your device.
  • Keep your Trezor Suite and Bridge up to date.
  • Monitor device prompts carefully before approving any action.

Advanced Usage

  • Developers can integrate Trezor Bridge API in custom applications.
  • Supports multiple connected devices simultaneously.
  • Command-line options available for debugging and automation.

Conclusion

Trezor Bridge is a fundamental component for secure interaction between Trezor devices and computers. Correct installation, regular updates, and following security best practices ensures safe crypto management.