My latest video is a slideshow explainer of my hedgehog protocol:

https://www.youtube.com/watch?v=eGz-54y31r8

Here are the slides: https://docs.google.com/presentation/d/1vf5wg9QflHqMawtL3Qw8vEJdz1BJmGJVsLY7h4u8FMQ/edit?usp=sharing