YOUTUBE tohIX-m4ZD8
This talk was delivered on June 7th 2019 for the We Are Developers conference in Berlin, Germany: page 
In this talk, Andreas discusses the new models of security that we have developed over time to function within the global societies and open networks of the information economy. He warns against the pitfalls of relying on third parties and bureaucratic institutions when we fail to scale trust, within a city surrounded by historical relics from outdated and oppressive security models.
Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in Bitcoin. He is the author of “Mastering Bitcoin,” “The Internet of Money" series, and "Mastering Ethereum."