14.1 & 14.2 Zero-Knowledge Techniques

• The whole idea of convincing someone that you know something or can do something without giving away information is pretty interesting. It reminds me of those puzzles where you try getting the ring off. Whenever you finish, your friend wants to see if you can do it but you don't want to show him how to do it. It reminds me of that.
• The Feige-Fiat-Shamir Identification Scheme was pretty confusing. I didn't understand how they set up a single identification scheme or what that exactly meant.