Install trezor-bridge with Homebrew, winget

Project links

• Homepage

Commands and aliases

• trezord-go

Project history

The `trezord-go` README describes Trezor Bridge as a tiny HTTP server that allows webpages such as Trezor Suite in web mode to communicate directly with a Trezor device. It explains that newer devices support WebUSB, but the Bridge remains relevant for Firefox, older firmware that only supports HID, and synchronization of USB access between domains.

In February 2018, Trezor announced a new Bridge that was rewritten from scratch in more modern code and positioned it as the first part of the transition away from Chrome apps. The announcement told existing Bridge users to update, new users to install it through the wallet, and Trezor Connect users of applications such as MyEtherWallet, MyCrypto, and NEM NanoWallet to update so those applications could keep communicating with Trezor devices.

Later in 2018, Trezor described WebUSB as the answer for Chrome users who did not want a separate communication tool. Trezor Model T supported WebUSB from its initial release, and Trezor One firmware 1.7.1 added WebUSB support for Trezor Wallet and Trezor Password Manager so Chrome users could connect without Trezor Bridge.

Adoption history

Bridge adoption came from a practical browser gap: hardware-wallet users needed a local transport that browser wallet applications could call, especially as Chrome apps were being phased out and Firefox did not expose WebUSB. That made the daemon part of the normal setup story for browser-based Trezor workflows.

For package managers, Trezor Bridge is unusual because it packages a vendor communication daemon rather than a general-purpose CLI. Homebrew users install it to make local wallet/browser interactions work; developers and advanced users may also build `trezord-go` from source, install Linux udev rules, or run it in debug mode for local development.

How it is used

At runtime, Bridge listens locally and mediates communication between supported webpages and the USB device. The official README frames it as needed for Firefox, for devices with 2018-and-older firmware that support HID but not WebUSB, and for coordinating USB access across domains.

From a package-nerd perspective, `trezor-bridge` is mostly a background dependency: install it, ensure the daemon is running, and then use Trezor Suite web mode or compatible Trezor Connect applications. Source users build `trezord-go`, run `./trezord-go -h`, and on Linux install the official Trezor udev rules when not using pre-built packages.

Why package nerds care

Trezor Bridge matters because it is a concrete example of the browser/device boundary leaking into package managers. A small local HTTP daemon became the compatibility layer between USB HID/WebUSB realities, browser security decisions, and cryptocurrency wallet UX.

It also explains why some packages are important despite having little interactive surface: the executable `trezord-go` is infrastructure for other tools. In Homebrew, its value is that it makes a hardware wallet visible to web and desktop wallet workflows without requiring users to understand the transport details.

Timeline

• 2018: Trezor announces a rewritten Trezor Bridge as part of the move away from Chrome apps.
• 2018: Trezor Wallet redesign notes that the Chrome extension will no longer be offered to new users and that Bridge/WebUSB are the transition path.
• 2018: Trezor One firmware 1.7.1 adds WebUSB support, allowing Chrome users to connect without Bridge for supported workflows.
• Current: `trezord-go` README still documents Bridge as needed for Firefox, older firmware, and cross-domain USB synchronization.

Related projects

• Related projects and technologies include Trezor Suite, Trezor Connect, the older Trezor Chrome extension, WebUSB, HID transport, Trezor firmware, and the Trezor udev rules.

Sources

• https://blog.trezor.io/announcing-a-redesigned-and-refreshed-user-interface-for-your-trezor-wallet-f31220d8917e
• https://blog.trezor.io/firmware-updates-2-0-9-and-1-7-1-developed-by-the-community-for-the-community-c4b965741ca3
• https://blog.trezor.io/introducing-the-new-trezor-bridge-2b7ea5478d65
• https://github.com/trezor/trezord-go#readme