# Solo Satoshi Web Flasher

> A free browser-based firmware installer for supported Bitaxe and NerdAxe Bitcoin miners. It discovers official ESP-Miner releases, verifies firmware with SHA-256, and writes the selected image through the browser's local Web Serial connection.

## Primary page

- [Bitaxe and NerdAxe Web Flasher](https://flash.solosatoshi.com/): Select a supported model, verify the board revision, preserve miner settings if desired, and install current firmware.

## Documentation and policies

- [Privacy Policy](https://flash.solosatoshi.com/privacy.html): Data handling, browser permissions, hosting providers, and USB privacy.
- [Terms of Service](https://flash.solosatoshi.com/terms.html): User responsibilities, firmware risks, warranties, and liability.
- [Licenses and Source](https://flash.solosatoshi.com/licenses.html): Application, firmware, library, and font licenses.
- [Application source](https://flash.solosatoshi.com/source/latest.tar.gz): GPL-3.0-only corresponding source for the deployed browser application.

## Authoritative facts

- The flasher supports listed Bitaxe and NerdAxe models derived from current official ESP-Miner releases.
- Firmware files are checked by release automation and verified again in the browser with SHA-256 before installation.
- USB communication remains between the user's browser and the locally selected device.
- The application does not require an account and does not use advertising or behavioral analytics.
- Solo Satoshi LLC operates the flasher and may contribute to ESP-Miner, but upstream firmware remains an open-source community project.