[throw0101d]

> I watched some of the videos on their YouTube playlist about blockchain and crypto […]

That was a special series on the topic.

Quite often they do have a list of prepared questions, and send them to guests ahead of time so they are somewhat prepared: depending on the answers they may delve more deeply into some answers.

The hosts (Ben and Cameron) also do prep ahead of time: they read the books—and more often research papers—of the guests, and so already know to a certain extent what they're going to say before they ask. The guests' answers are more for the viewers/listeners, and give the guest an opportunity to perhaps comment more 'free-style' than what can be written down.