Listening forward to the end of the 15th minute, will if you are solid senior level software engineer with a strong economics expertise, start to make you realize that Vitalik is an unrealistic dreamer who doesn't think out the real world insolubility of his childish fantasies.
Maybe you are too logical... What is an unrealistic dreamer?
Imagination is more important than knowledge...
I am extremely creative (did you not look at CoolPage.com or Corel Painter on which I created or worked on as a programmer and graphic artist). How about my essays[1]. How about the
print ads I did for WordUp which I also programmed. The difference is
I am a realistic dreamer with a realistic plan who has proven I make products that end up used by millions. Vitalik lacks the realistic grounding (and no experience!) to choose viable goals and implement them effectively. What a horrible destruction of a math nerd to allow him to enter this fantasy world where he can sell childish, unrealistic fantasy technobabble to gullible speculator n00bs.
XRP has no involvement in permissioned, centralized systems.
Except that its consensus protocol is permissioned, centralized.
As far as I know Ripple does not use PoS.
You didn't comprehend the links I provided to you.