Trezor Bridge — The Secure Gateway to Your Hardware Wallet

Secure connectivity — why use Trezor Bridge

Trezor Bridge provides a reliable USB bridge layer between your computer and your Trezor device. Using Trezor Bridge reduces browser-level USB complexity and avoids direct low-level device access from untrusted pages. When you install Trezor Bridge, your browser and supported web apps talk to the Trezor Bridge service, which handles device enumeration, secure handshake, and forwarding of approved transaction signing requests to your hardware wallet. This means Trezor Bridge improves device compatibility, makes updates smoother, and streamlines the Trezor experience.

Key features of Trezor Bridge

• Device discovery & session management: Trezor Bridge finds connected Trezor hardware wallets and manages secure sessions for web clients and desktop apps.
• Secure USB transport: Trezor Bridge isolates raw USB communication and ensures only authorized requests reach the device.
• Cross-platform support: installers for Windows, macOS, and Linux make the Trezor Bridge install quick and simple.
• Automatic updates: optional transparent updates keep the Trezor Bridge current and compatible with web and desktop clients.
• Privacy-first: Trezor Bridge does not collect wallets or keys and acts only as a transport layer between your local machine and your hardware wallet.

Installation & troubleshooting

Installing Trezor Bridge is straightforward. Download the appropriate Trezor Bridge installer for your operating system, run the installer, and then open your Trezor web client or desktop app. If the browser still cannot see your device, check that Trezor Bridge is running in the background, that the device is unlocked, and that no other program is holding the USB device. Common steps for troubleshooting Trezor Bridge include restarting the Bridge service, reconnecting the USB cable, trying a different USB port, and ensuring your OS permits the Bridge service USB access.

Safety guidance — keep your recovery seed safe

While Trezor Bridge handles secure communication, your private keys and recovery seed remain on the hardware wallet. Trezor Bridge never has access to your seed or private keys. Always follow recovery seed best practices: write your seed on paper or steel backup, store it offline in multiple secure locations, and avoid entering your recovery seed into any computer. Trezor Bridge helps facilitate secure signing without transmitting sensitive material off-device.

Developer & advanced usage

Developers who integrate Trezor functionality leverage Bridge's API surface to detect devices and forward signing requests. Trezor Bridge supports versioned transport protocols and is designed to be backwards compatible with existing Trezor desktop and web integrations. For advanced users, Bridge logs (local-only) can help diagnose connectivity issues; share logs only with trusted support channels.

Performance & compatibility

Trezor Bridge is optimized to be low-latency and unobtrusive. Because it runs locally, the Bridge reduces handshake delays and improves the responsiveness of device interactions in the web client and desktop apps. Bridge's installers are small and signed for authenticity; when available, automatic updates deliver bug fixes and compatibility improvements with newer browsers and operating systems.

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