Trezor Bridge — What It Is and How It Works

jae.sc.el

— 1 min read

Trezor Bridge is a small background service that enables communication between a Trezor hardware wallet and your web browser. It acts as a secure connection layer, allowing web-based applications (including the Trezor web interface) to detect and interact with your Trezor device.

What Does Trezor Bridge Do?

  • Connects your Trezor device to supported web apps
  • Allows browsers to recognize and communicate with the hardware wallet
  • Runs quietly in the background once installed
  • Ensures secure data transfer without exposing private keys

Private keys never leave the Trezor device—Bridge only facilitates communication.

When Do You Need Trezor Bridge?

You typically need Trezor Bridge if you:

  • Use Trezor with a web browser (instead of the desktop Trezor Suite)
  • Are prompted by a website to “install Trezor Bridge”
  • Have browser compatibility issues detecting your Trezor device
✅ Not required if you use the Trezor Suite desktop app, which includes built-in connectivity.

Key Features

  • ✔ Secure device-to-browser communication
  • ✔ Automatic startup after installation
  • ✔ Supports major operating systems
  • ✔ Lightweight and unobtrusive
  • ✔ Officially maintained by Trezor

Security Notes

  • Install only from official Trezor sources
  • Trezor Bridge will never ask for your recovery seed
  • If a site requests your seed phrase, it is a scam
  • Keep your operating system and browser updated

Common Issues & Tips

  • If your browser doesn’t detect your Trezor, restart Bridge
  • Avoid running multiple wallet interfaces at the same time
  • Disable conflicting browser extensions if connection fails

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