Explore a thought-provoking lecture by Silvio Micali from the Massachusetts Institute of Technology, delivered at the Simons Institute as part of a workshop honoring Michael Ben-Or. Delve into the intriguing journey from consensus protocols back to agreement mechanisms in distributed systems. Gain insights into the evolution of consensus algorithms and their implications for blockchain technology and distributed computing. Examine the theoretical foundations and practical applications of these concepts as presented by a leading expert in the field.