Trezor Bridge – Secure Connection for Your Crypto Wallet

Overview, security notes, practical tips and official resources (printable).

Abstract: Trezor Bridge historically acted as the local connector between Trezor devices and host software. The product has evolved and users should prefer official guidance.

What is Trezor Bridge?

Trezor Bridge is a small background helper that allowed browsers and wallet software to communicate with a connected Trezor hardware wallet. Its job was to relay messages while all sensitive cryptographic operations and confirmation prompts remained on the device itself.

Recent changes & user impact

As browsers and wallet ecosystems advanced (e.g., WebUSB and integrated apps), Trezor moved away from a standalone Bridge in favor of streamlining functionality into Trezor Suite and modern APIs. Users are encouraged to follow the official migration guidance and uninstall deprecated standalone Bridge builds when instructed.

Security essentials

The security model is unchanged: confirmations happen on the physical device, and private keys do not leave it. To stay safe, always download software from official Trezor resources, verify signatures when provided, and be vigilant about phishing attempts.

Practical tips

  1. If you see “Bridge is not running”, consult official troubleshooting guides and the community forum before trying unofficial downloads.
  2. Prefer Trezor Suite (desktop/web) which includes current connection logic, reducing the need for separate services.
  3. On Linux, check distribution-specific notes (some bridges historically required systemd on certain distros).
  4. Developers should use official open-source libraries as references and follow the official docs for integrations.

Official resources (10)