Explore the latest advancements in web protocols through this 34-minute Black Hat conference talk that delves into QUIC, a new always-encrypted general-purpose transport protocol, and HTTP/3. Compare these emerging technologies to HTTP/2, examining their protocol stacks, handshake processes, and security features. Learn about transport parameters, packet headers, connection IDs, and the crypto handshake. Gain insights into address validation, including tokens and ZeroRTT handshake. Understand the security considerations and implications of these protocols for the future of web communication.