I confess I did not watch the videos. The Khan Academy is interesting, these seem like intro videos to get someone to subscribe to their service. Have you watched them? Is the information a really basic overview of commonly known bitcoin basics or does it really share valuable information?
Here's a better option through Coursera:
https://www.coursera.org/course/bitcointech- From Princeton University
- Course is FREE as are most of the courses on Coursera...it's kind of their thing
Very Science
Much Videos
Wow.
Uber Doge.