Giovanni Di Crescenzo is a Senior Research Scientist at Telcordia Technologies. He received a Ph.D. in Computer Science and Engineering from the University of California San Diego, USA, with a thesis on cryptography, and a Ph.D. in Applied Mathematics and Computer Science from the University of Naples, Italy, with a thesis on zero-knowledge proofs. His main research activity has been in various areas of Mathematics and Computer Science, including Cryptography, Computer, Network, and Information Security, Distributed Algorithms and Computational Complexity, where he has produced more than 80 scientific publications in major refereed conferences and journals.