Overview
What is Trezor Bridge?
Trezor Bridge is the secure communication layer between a Trezor hardware wallet and your computer or browser-based apps. It enables safe signing of transactions, account browsing, and firmware updates while ensuring private keys never leave the device.
Key Features ✨
Why users choose Trezor Bridge
- Private key protection: Private keys remain on the device at all times.
- Browser compatibility: Works with modern browsers without fragile plugins.
- Simple updates: Secure firmware update workflow with on-device verification.
- Low telemetry: Local-only communication — no tracking of account activity.
Deep Dive
How it actually helps you
The Bridge acts as a carefully audited, minimal host service that provides a standardized, well-documented interface for wallet apps and decentralized applications. When a transaction requires signing, the host instructs the Trezor device to sign; you confirm the details on the device’s screen, and the signed transaction is returned to the host. This two-step human-in-the-loop model prevents remote attackers from silently moving funds.
Design priorities
Security, privacy, compatibility, and performance. The Bridge avoids storing sensitive data, minimizes external calls, and is continuously updated to match OS and browser changes.
Best Practices & Troubleshooting 🛠️
Keep things smooth and secure
Always download installers from the official Trezor website and verify checksums if provided. Use trusted machines, store your recovery seed offline, and keep Bridge up to date. If the device is not detected: try a different cable or port, ensure the device is unlocked, and check OS USB permissions. Many issues arise from simple hardware faults or restrictive system policies.
For Developers & the Future 🔭
Integration & roadmap
Developers benefit from a consistent API and reference docs, making integration with wallets and dApps more predictable. As browser and OS policies evolve, Bridge updates will continue to provide a stable channel for hardware access. This makes the Trezor ecosystem robust and future-proof for both hobby users and enterprise-grade workflows.