Trezor Bridge®

About Trezor Bridge®

Trezor Bridge® is the secure gateway software that enables desktop applications to communicate reliably with your Trezor hardware wallet. Whether you use Trezor Suite, a third-party wallet, or development tools, Trezor Bridge acts as the bridge driver that orchestrates a safe USB connection between your computer and the hardware wallet. This page explains what Trezor Bridge does, how to install it, and best practices for keeping your hardware wallet connection secure.

Why Trezor Bridge® matters

A hardware wallet communicates with desktop apps over USB. The Trezor Bridge service ensures that data flows between your app and device in a controlled, authenticated way — protecting the integrity of commands and preventing accidental exposures. Because the bridge runs locally on your machine, it provides a fast handshake, session management, and ensures that approvals always require physical confirmation on your hardware wallet screen.

Download & Install (Quick setup)

To get started with Trezor Bridge®, download the appropriate installer for your operating system from the official source. After downloading, verify the signature or checksum if provided. Run the installer and allow it to install a small local service that listens on a secure local port. Once installed, your browser or desktop wallet will detect the hardware device automatically when it is plugged in. Remember: only use the official download to avoid counterfeit or tampered installers.

Security & best practices

Security is the core promise of Trezor Bridge. Always verify that you are using the official bridge software and keep it up to date. Never enter your recovery seed or private keys into a computer or browser. Approve transactions and actions directly on your hardware wallet’s screen. The bridge helps with connectivity but it cannot and will not request your seed — if a website or app asks for your seed, treat it as a phishing attempt and disconnect immediately.

Troubleshooting common issues

If your device is not detected, first confirm the cable and USB port are working. Restart the Bridge service or your machine, and try the official installer again. On some platforms, system permissions or browser settings may block local ports; follow the platform-specific guidance in your desktop wallet’s help. For advanced problems, check the Bridge logs (if available) for error messages and consult official support channels for guidance.

Compatibility & updates

Trezor Bridge is designed to work with popular desktop environments and with Trezor hardware wallet models. Regular updates add compatibility for new OS versions, improve device detection, and fix bugs. Enable automatic update checks where available, and always review the release notes before installing updates — they help you understand what changed and why updating improves security and stability.

Privacy & local-first design

The local-first design of Trezor Bridge means your interactions remain on your computer and device — not on remote servers. The bridge acts as a secure conduit that does not transmit private keys or recovery seeds off your machine. This privacy-first model ensures that your sensitive cryptographic operations are kept within your control while enabling convenient connectivity for wallet management and transaction signing.

Developer notes

Developers can use the bridge to build secure integrations with Trezor hardware. The bridge exposes well-documented APIs for device discovery and session handling. If you are creating a wallet integration, follow the official developer guides and always prompt users to confirm actions on their device. Remember to sign and verify any installers you distribute and encourage users to obtain Trezor Bridge from trusted sources.

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