Explore two insightful talks on cryptography and its intersection with human factors and policy. Begin with Katharina Krombholz's presentation on "Mental Models of Cryptographic Protocols," which delves into understanding users' perspectives to enhance security measures. Then, at the 17:53 mark, transition to Sarah Scheffler's discussion on "Protecting Cryptography against Self-incrimination," co-authored with Mayank Varia, examining the legal and ethical implications of cryptographic technologies in relation to individual rights.