The essential communication layer between your Trezor hardware wallet and web applications. Secure, reliable, and seamlessly integrated for the ultimate cryptocurrency experience.
Trezor Bridge is a crucial software component that enables seamless communication between your Trezor hardware wallet and web-based cryptocurrency applications. Acting as a secure intermediary, it translates commands from web interfaces into a format your Trezor device can understand, while maintaining the highest security standards that Trezor is renowned for.
Unlike browser extensions that can be vulnerable to attacks, Trezor Bridge operates as a standalone application on your computer, creating an isolated communication channel. This architecture ensures that your private keys never leave the secure environment of your Trezor device, even when interacting with online services, decentralized applications, or cryptocurrency exchanges.
The Bridge software is essential for modern cryptocurrency workflows, supporting everything from simple Bitcoin transactions to complex DeFi interactions on Ethereum and other blockchain networks. It's the foundation that makes your Trezor device compatible with hundreds of cryptocurrency services while preserving the air-gapped security model that hardware wallets are designed to provide.
End-to-end encryption ensures your transactions remain private and secure, with no sensitive data stored on your computer.
Optimized communication protocols provide instant response times for all your cryptocurrency operations.
Works seamlessly with all major operating systems: Windows, macOS, and Linux distributions.
Simple one-click installation process gets you up and running in under two minutes.
Fully auditable code ensures transparency and allows the community to verify security implementations.
Automatic security updates keep your Bridge software current with the latest security patches and features.
Trezor Bridge utilizes a sophisticated HTTP-based API that runs locally on port 21325. This localhost server approach ensures that web applications can communicate with your Trezor device without requiring browser plugins or extensions that could introduce security vulnerabilities.
The protocol implements WebUSB and HID standards for direct hardware communication, while maintaining strict message validation and cryptographic verification for every transaction request.
Every communication session is protected by TLS encryption, and the Bridge software implements certificate pinning to prevent man-in-the-middle attacks. The application runs with minimal system privileges and includes built-in protection against common attack vectors.
Transaction signing occurs exclusively on the Trezor device, with the Bridge acting only as a secure messenger that never has access to private keys or sensitive cryptographic material.
Visit the official Trezor website and download the Bridge installer for your operating system. The installer is digitally signed and verified for authenticity.
curl -LO https://suite.trezor.io/bridge/2.0.33/Execute the installer with administrator privileges. The installation process will automatically configure system permissions and USB device access.
sudo dpkg -i trezor-bridge_2.0.33_amd64.debOpen your browser and navigate to localhost:21325 to confirm the Bridge is running. You should see a status page indicating successful installation.
curl http://localhost:21325/Connect your Trezor device via USB and visit Trezor Suite or any compatible web application to begin using your hardware wallet.
Ensure the Bridge service is running by checking your system's task manager or activity monitor. Restart the Bridge application if necessary.
Try different USB ports and cables. On Linux, you may need to add udev rules for proper device permissions. Restart your computer if problems persist.
Configure your firewall to allow connections to localhost:21325. Add Trezor Bridge to your firewall's exception list for both incoming and outgoing connections.
Ensure you're using a modern browser with WebUSB support. Chrome, Firefox, and Edge are fully supported. Clear browser cache if experiencing issues.
Trezor Bridge represents the perfect balance between security and usability in the cryptocurrency ecosystem. By providing a secure communication channel between your hardware wallet and web applications, it enables you to participate in the decentralized economy without compromising on security. Whether you're a casual investor or a DeFi power user, Trezor Bridge is an essential tool that ensures your digital assets remain protected while giving you the freedom to interact with the broader cryptocurrency ecosystem.