Though the following may not answer many of your questions, I found these three videos to be very illuminating in regards to the blockchain and ICO processes and futures. They really helped me because I knew next to nothing about the whole field but saw lots of talk on social media and wanted to learn more.

https://www.youtube.com/watch?v=o1mkxci6vvo Investment Panel with Naval Ravikant, Meltem Demirors, and Garry Tan

https://www.youtube.com/watch?v=OnHRnlrO6bQ Payments Panel with Balaji Srinivasan, Elizabeth Stark, and Ryan Charles

https://www.youtube.com/watch?v=IrSn3zx2GbM A conversation with Naval Ravikant (who is very prescient in this field)