Trezor Bridge is essential software that enables communication between your Trezor device and your web browser for secure cryptocurrency management. Trezor Bridge is a lightweight service installed on your computer that allows websites and desktop applications to detect and interact with your Trezor hardware wallet. Without the What is Trézor Bridge? Trézor Bridge is (or was) a small background application installed on a user’s computer to enable secure USB communication between a Trezor device and browser Trezor Bridge — Desktop communication for your hardware wallet A concise guide explaining what Trezor Bridge is, how to install it, key security practices, and troubleshooting tips.