My questions have nothing to do with the concept of bitcoins and neither of the links you gave me have anything that answers those questions.
Those links offer technical insights which I thought you were looking for as your questions suggested. You have to do your own digging. Follow the links at the sites above, especially the last one.
There are a 122 pages of technical discussions threads pertaining to just bitcoin at the second link I gave you alone:
https://bitcointalk.org/index.php?PHPSESSID=fic9bg7qdu6ee38qsmgvrk3sv7&board=6.0