Since friends constantly asked me why I bough yubikeys and how I use in my everyday operations, I decided to do some simple videos where I'm going to explain how I use my keys and how a Yubikey can improve your security. Here are links discussed in the video https://www.yubico.com/support/download/yubikey-manager/ https://support.yubico.com/hc/en-us/articles/4402836718866-Understanding-YubiKey-PINs#:~:text=PIN%20Requirements,Keys%2C%20the%20minimum%20is%204. https://developers.yubico.com/yubikey-piv-manager/PIN_and_Management_Key.html