What is Trezor Bridge?
Trezor Bridge is lightweight middleware that creates a secure, local connection between your Trezor hardware wallet and your computer or browser. Trezor Bridge enables encrypted communication, safe signing of transactions, and reliable device detection across Windows, macOS, and Linux. Whether you use a Trezor One or Trezor Model T, Trezor Bridge provides the necessary connectivity to pair your device with web wallets and desktop clients.
Why Trezor Bridge matters
Without Trezor Bridge, a browser cannot access your Trezor device directly for security and sandboxing reasons. Trezor Bridge runs locally and acts as a protective gateway — it ensures all requests are authenticated, proxied securely, and maintain privacy. Using Trezor Bridge protects your private keys by isolating signing operations on the hardware wallet while enabling a smooth user experience.
Key benefits
Quick setup
Download and install Trezor Bridge from an official source, connect your Trezor device, and open Trezor Suite or a compatible web wallet. The installation finishes within moments and automatically starts the local bridge service. Once running, your browser will detect your connected Trezor securely and you can begin managing accounts, sending transactions, and verifying messages on-device.
Troubleshooting & tips
If your browser fails to detect the device, ensure Trezor Bridge is running and your USB cable is data-capable. On macOS you may have to allow permissions for the Bridge in System Preferences. For Windows, run installer with administrator privileges if required. Restart browser and try different USB ports. Always keep Trezor Bridge and Trezor firmware up to date to enjoy the latest security patches and compatibility fixes.
Security best practices
Only download Trezor Bridge from official sources. Never enter your recovery seed into any computer — recovery belongs offline on paper. Approve every transaction on your Trezor device screen; do not rely on the host computer to validate transaction details. Trezor Bridge simply facilitates communication — the cryptographic signing and private key storage remain on the hardware device.
Privacy & compliance
Trezor Bridge communicates locally and does not send your private keys or full transaction history to remote servers. The service is designed to minimize telemetry and respects user privacy. For organizations, Trezor Bridge can be used alongside corporate endpoint policies to ensure safe hardware signing workflows.
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