The extent of their knowledge is usually something along the lines of "my friend/grandson/etc who fixed my computer once told me it would make me rich".
That being said, if you were looking for something more like a deep dive into the technical side of things, this isn't the right book.
But, if you are looking from a usage perspective it is kind of difficult. You can check this blog too:
https://www.youtube.com/watch?v=xwA2TkcAQgQ&list=PL6TbWIxWsL...
Same author, reviews make it seem the same
I'm trying to make it as easy as possible to understand (and work with) bitcoin data.
https://www.coursera.org/learn/cryptocurrency https://courses.edx.org/courses/course-v1:LinuxFoundationX+L...
https://www.coursera.org/learn/ibm-blockchain-essentials-for...