Definition ∞ A quantum random number is a truly unpredictable number generated using principles of quantum mechanics. Unlike pseudorandom numbers generated by algorithms, quantum random numbers derive their unpredictability from inherently random physical phenomena, such as quantum vacuum fluctuations or photon emissions. This makes them highly suitable for cryptographic applications, where strong randomness is essential for security protocols. They enhance the robustness of encryption keys and secure communication.
Context ∞ The current discussion surrounding quantum random numbers centers on their increasing deployment in secure communication systems and cryptographic hardware. A key debate involves the practical challenges of integrating quantum random number generators into existing computing infrastructure. Future developments will likely involve their wider adoption in blockchain security, digital signatures, and other areas requiring verifiable true randomness.
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