This 21-page “SQRL Explained” document provides a complete description and technical overview of SQRL's features, capabilities and operation. This document will be extended to clearly detail all aspects of SQRL's protocol implementation so that others may implement compatible components of the SQRL system. SQRL clients already exist for Windows, Linux & macOS (with WINE), Android, iOS, Chrome, Firefox & Edge. And SQRL demo websites may be used to experiment with SQRL's operation and features.

The SQRL Forums are online and available to anyone who is curious to learn more, and GRC's v1.0 release of the reference SQRL client for Windows can be downloaded with the links below:

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• 2019/06/14 : Version 0.05 - Added 3-page glossary of standard crypto and SQRL terms.
• 2019/06/15 : Version 0.06 - Added a description of SQRL's “Ask” facility and fixed Glossary typos.