Sorry for the inconvenience. Sometimes things happen like this when the website changes its encryption. And due to the copyright legislation, you may not be able to download all the online videos. I suggest you use a screen recorder to capture your screen.
What can you say about these courses? Did you manage to learn a lot there? I’m thinking about trading, but I think I need to take classes first. My friend even suggested Bitcoin Bank for me to start trading, and I’m really grateful for that. After taking the courses, I hope I won’t have any problems with trading, but I think it depends on the class.