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Explore the fundamentals of public-key cryptography and understand the quantum computing threat in this beginner-friendly conference talk from DevConf.US 2025. Learn how current public-key cryptography algorithms function at a high level, discover why quantum computing poses a significant risk to these existing cryptographic methods, and examine the essential steps needed to strengthen cryptographic systems against potential quantum attacks. Gain insights into the critical importance of post-quantum cryptography and the preparations required to secure digital communications in the quantum computing era.
