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Prof. Nigel Smart answers some fundamental questions about the mathematical guarantees of cryptographic algorithms, explains how Multiparty Computation (MPC) works, and most importantly, why he became a cryptographer in the first place.

In the ‘Ask the Professor’ video series, Professor Nigel Smart, a world-renowned expert in applied cryptography, Vice President of the International Association of Cryptologic Research, and Professor of Cryptography in the Department of Computer Science at the University of Bristol, answers the internet’s’ most interesting questions about cryptography. Based on questions from popular blogs, forums, and social media—this series is relevant for both beginners and advanced crypto enthusiasts alike.