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Official Communication Daemon Overview
Trezor Bridge: A Practical Connection Guide
Trezor Bridge is the dedicated, lightweight background communication daemon that facilitates encrypted data exchange between your hardware device and supported web-based cryptocurrency wallets. When operating web versions of wallet interfaces or interacting with decentralized finance platforms, Trezor Bridge bridges the gap between USB hardware layers and browser environments reliably without exposing sensitive keys.
Security Guarantee: Always obtain your device software and drivers strictly from official, verified manufacturer sources. Trezor Bridge operates locally on 127.0.0.1 and will never prompt for your 12- or 24-word recovery seed.
Hardware Link Topology
HTTP 21325 daemon
Port: 21325/status Active
v2.0.33 Protocol
Why Trezor Bridge is Needed
Browsers restrict direct raw USB device access for client security. Trezor Bridge runs as a standalone OS background process, establishing an authenticated communication link between web interfaces and the hardware unit.
Browser Compatibility
Compatible across major operating platforms including Windows, macOS, and Linux. It pairs smoothly with modern web browsers, enabling reliable device discovery even when WebUSB drivers encounter operating system blocks.
Secure Local Architecture
No private data, transaction keys, or recovery phrases ever travel through or are stored by Trezor Bridge. It strictly operates as a message transport pipe for cryptographically signed packages confirmed directly on your physical screen.
