My colleague and I recently gave a workshop about security keys where we tried to answer questions like:

* Why should I use a security key?

* What is it used for?

* How can I choose one ?

* What features should I look for?

We did cover FIDO2/Passkeys but also multiple other use cases.

Here are the slides if you're interested: https://tome.one/slides/amiet-pelissier-security-keys-worksh...