Daniel J. Bernstein is the designer of the "qmail" software used by yahoo.com to receive mail, the "tinydns" software used by facebook.com to publish server addresses, the "dnscache" software used by OpenDNS to handle address requests from 50 million Internet users, the "Curve25519" public-key system used by Apple to protect files stored on iPhones, and the "ChaCha20" cipher used to encrypt Chrome's HTTPS connections to Google. Bernstein's current mission is to cryptographically protect every Internet packet.

Matt Blaze is a hacker, safecracker, and computer science professor at the University of Pennsylvania, where he studies surveillance, security, cryptography, large-scale systems, and the relationship between technology and public policy.

Tanja Lange is a professor at the Technische Universiteit Eindhoven (Netherlands). Her work covers mathematics, cryptology, and applications. She is an expert on curve-based crypto and post-quantum crypto.