Explore the intersection of cryptography and social justice in this thought-provoking invited talk from Crypto 2020. Delve into Seny Kamara's perspective on how cryptographic research can address societal issues and benefit marginalized communities. Gain insights into the potential applications of cryptography beyond traditional security concerns, and consider the ethical implications of technological advancements in the field. Examine the role of cryptographers in shaping a more equitable future and discover how cryptographic tools can be leveraged to empower underserved populations.