Trezör® Bridge® — Connect Your Web3 World Securely™

A lightweight, trusted connector that links your Trezör hardware wallet to web and desktop wallets — designed for clarity, safety, and cross-platform compatibility.

Why Trezör® Bridge®?

As Web3 grows, the interfaces we use evolve rapidly: browser apps, desktop suites, and decentralized applications. Trezör® Bridge® is the official local connector that ensures your hardware wallet communicates with these interfaces reliably — without exposing private keys or relaxing on-device confirmations. It’s the secure, predictable middle layer between your Trezör device and the apps you trust.

At a glance

  • Local-first: runs on your computer and listens only on localhost.
  • Device-centric security: all signing and seed operations remain on your Trezör device.
  • Cross-platform: supported on Windows, macOS and major Linux distributions.
  • Developer friendly: integrates with Trezör Connect and exposes a stable API surface.

How it works (simple)

Trezör® Bridge® translates requests from web apps or desktop wallets into USB or HID commands your Trezör hardware understands. When a wallet requests an action — such as showing an address or signing a transaction — Bridge forwards the request locally. The Trezör device validates and prompts you to confirm; only then is the operation completed. Bridge never has access to your recovery seed or private keys.

Installation & setup

  1. Download the official installer for your OS from the Trezör website.
  2. Run the installer and follow on-screen instructions. On macOS you may need to allow the helper in Security & Privacy; on Windows you might approve a driver prompt.
  3. After installation Bridge runs as a background helper. Plug in your Trezör device and open Trezör Suite or any compatible wallet to begin.

Always verify the download source. If an installer provides a checksum or signature, verify it before running the file.

Common tasks you’ll use Bridge for

  • Securely sign transactions and smart contract interactions.
  • Manage multiple coins and token accounts via your preferred wallet UI.
  • Run firmware updates with on-device confirmation to ensure authenticity.
  • Perform account discovery and export addresses for viewing balances (read-only).

Troubleshooting tips

  • If your device isn’t detected, try a different USB cable or port and make sure Bridge is running.
  • Restart the Bridge helper or your computer to clear stale connections.
  • On Linux, add the recommended udev rules so non-root users can access the device.
  • Check for updates to both Bridge and your wallet application — incompatibilities are rare but solvable with updates.

Security model — clear & constrained

Trezör® Bridge® is built around a few non-negotiable principles: least privilege, local-only access, and user-intent. Bridge acts solely as a translator — it does not attempt to access or export secrets, nor does it enable remote control. All sensitive operations require physical confirmation on the Trezör device itself. This reduces attack surface and keeps critical operations in the secure environment of the hardware wallet.

Privacy considerations

Bridge does not collect or transmit your transaction history or private keys. However, wallet apps you connect to may interact with external nodes or API providers which can see addresses and balances. If privacy is a priority, use privacy-preserving nodes or run your own node when possible.

For developers

Developers should use Trezör Connect or the officially documented API to interact with Bridge. The library handles session negotiation and user prompts; it avoids direct USB handling so your app remains cross-platform. Respect user confirmations, never auto-approve device prompts, and test across platforms to catch edge-case USB behavior.

Alternatives & the future

Web standards like WebHID and WebUSB are making it easier for browsers to talk to devices directly. While promising, these standards vary across browsers and OS versions. Trezör® Bridge® remains the recommended connector for users and developers seeking a consistent, supported experience across the wide range of environments Web3 apps run in today.