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Explore a groundbreaking cryptographic concept through this hour-long conference talk that introduces one-shot signatures (OSS), a revolutionary tool from quantum cryptography. Delve into three intriguing questions: whether Bob and Charlie can verify they received identical messages from Alice without communicating, if quantum states can be transmitted using only classical communication, and whether quantum-resistant cryptographic hash functions are truly secure against quantum attacks. Discover how one-shot signatures provide surprising answers to these fundamental problems in cryptography and quantum computing. Learn about the theoretical foundations of OSS, examine its diverse applications across quantum and classical cryptographic scenarios, and understand the construction methods for implementing this innovative cryptographic primitive. Gain insights into how this emerging tool bridges quantum cryptography with practical communication protocols and security systems.
