blog
October 28, 2025
Keeping the Internet fast and secure: introducing Merkle Tree Certificates
CryptographyPrivacy

Luke Valenta is a research engineer primarily focused on building secure, reliable systems and measuring the Internet. He is broadly interested in computer security, network and protocol measurement, applied cryptography, privacy, elliptic curves, cryptocurrencies, and distributed systems. Prior to joining Cloudflare, he completed his PhD at the University of Pennsylvania in applied cryptography and measurement of cryptographic devices.
Cryptography, Internet Measurement, Privacy, Security, Distributed Systems