Gentle intro:

Internet Censorship Does Not Make You Safe Online

https://yt.artemislena.eu/watch?v=xqkW9lGVASA

Less Gentle intro:

Why Code Signing is One of Our Most Important Issues in Tech

https://yt.artemislena.eu/watch?v=nwA4OcH5W8Y

Those are invidious youtube redirects by the way. I'ds should work on youtube.

Basicly its an attempt to create the tools for locking down and censoring the entire internet.