Please see the video talk and comment on the following questions in your response.

Q1. What new things did you learn from the talk? What was unclear, if anything, from the video?
[2 points]

Q2. What problems did you spot with the Convergence scheme? Are there attacks possible with network attackers located in specific locations?
[1 point]

Q3. How would you compare the design of trusted third-party schemes (trusted CA's etc.) with web-of-trust (PGP-like systems)?
[2 points]