Explore advanced cryptography techniques beyond communication security in this keynote address. Delve into zero knowledge, secure multi-party computation, and homomorphic encryption. Understand the necessity, efficiency, and current usability challenges of advanced cryptography. Examine privacy concerns, performance examples, and practical applications in AI and data analysis. Learn about implementation complexities, available tools, and libraries. Discuss the future of cryptography, including standardization efforts, privacy-accountability balance, and potential incentives for wider adoption.