I want to use micro.blog notes as a way to sync between my work laptop browser, iphone, and personal laptop–but I do ...

I want to use micro.blog notes as a way to sync between my work laptop browser, iphone, and personal laptop–but I do not understand how it works. I’ve read @manton ’s post and two articles in the help center. I need documentation for a non-technical user who doesn’t already know about secret keys.