Explore a conference talk from DefCamp 2021 focusing on post-quantum cryptography and innovative random number generation. Delve into the fundamentals of cryptography, quantum computing advancements, and their impact on current security measures. Examine light-based quantum computers, latest cryptosystems, and successful attacks. Discover a new schema featuring one-time signatures, an improved random number generator, and an integrated certification method. Gain insights into cutting-edge developments in information security and engage with the speaker's expertise through a Q&A session.