Hair thin anything can look transparent though. I seems to be paper thin.
As building products go, I believe rot resistant glass infused wood as a substitute for pressure treated wood is a more useful product specially in humid regions.
From the article, the process involves 1mm thick pieces of wood. But it's reasonable to assume that a thicker plywood could then be made out of those 1mm thick pieces and would maintain a lot of the translucency.
even if it's not completely transparent and can not be used in a window, it could still be useful as a wall material to let some of the daylight into the house.
Yes but once they are used for tax evasion and underground economy they can become worthless in hands of people that deal with it as a legal asset. Governments can regulate any asset class.
Participating in illegal activities does not make the coin more valuable but rather makes illegal transactions possible and criminalized the bit coin trade and hence soon it will become regulated.
Your first statement is flat out wrong. Illegality is actually a driver of prices in all sorts of activity. See drug prices now, alcohol during the Prohibition. (Also, and this is more of a style and culture matter, learn about run-on sentences. They're one of those things that got cut in us-landia colleges.)
Obviously, it is "not like a bank transfer". Then again, that you personally have never seen anything like it, makes no difference in its actual legitimacy or usefulness as a medium of transaction.
They can intercept post de-encryption data if they hack the firmware during design period and get access.