This article from TechCrunch does a good job explaining Key Transparency - https://techcrunch.com/2017/01/12/googles-key-transparency-project-aims-to-ease-a-tou

This article from TechCrunch does a good job explaining Key Transparency - https://techcrunch.com/2017/01/12/googles-key-transparency-project-aims-to-ease-a-tough-task-in-cryptography/ https://techcrunch.com/2017/01/12/googles-key-transparency-p...