Answers:

1. Bruce Schneier is a cryptographer, computer security specialist, and writer. He specializes in computer science and founder of BT Counterpane.

In my opinion, I do think that he is noteworth because he has writen several books on computer security and cryptography. I can say that it is indeed a contribution (big or not) to the world. Not to mention, his focus is on security, which everyone wants and needs.

2. I see it as a padlock for our safety.

3. It is similar to TwoFish. It was designed as a general purpose algorithim.

4. They are related and are both unpatented.

5. Blowfish is more widespread and common to people while TwoFish is not.

6. A main security system that keeps countries like America safe and free from negative things.

7. It is a way or a type of algorithm that enables the security system to function.

8. Because people think that it was the one that they needed and the best.

9. Phil Zimmerman is the creator of PGP ( Pretty Good Privacy). and because so, he is that noteworthy.

10. It is a computer program that provides cryptographic and authentication. Yes, i think that it is noteworthy becuase it helps us be secured. Not to mention, PGP is the most widely used email encyption in the world. Definitely noteworthy!