TechCrunch September 2017 Interview with Vitalik Buterin
In this interview Vitalik gives his views on three main topics. 1 The scalability of blockchain technology and ethereum in particular; 2. The on-going and increasing resistance (by existing powers structures) to blockchain technology; and 3. Some ideas on timelines for mainstream adoption.
I like the quote 'in math we trust'.
It is 25 minutes long.