What Is a Quantum Random Number Generator?
Learn how QRNG works, why true randomness matters, and where it is used in modern security and communications.
Why QRNG Matters
Randomness underpins encryption, authentication, secure communications, simulation, and many digital systems. When randomness is predictable or poorly generated, the systems that depend on it become more vulnerable.
Quantum random number generators use quantum processes to produce randomness, offering a different approach from algorithmic and conventional hardware-based methods.
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1. What Is QRNG?
Quantum random number generators use the behaviour of quantum particles to produce truly unpredictable numbers. Learn what makes QRNG different from other approaches.
2. How QRNG Works
Explore the physical principles behind quantum randomness generation and why the source of randomness matters in secure systems.
3. QRNG vs PRNG
Pseudorandom number generators simulate randomness using algorithms. Quantum random number generators derive it from physics. Understand the difference and when it matters.
PQC and QRNG
Post-quantum cryptography and quantum random number generation work together as the foundation of quantum-safe security. PQC provides algorithms resistant to quantum attacks, while QRNG provides the high-quality randomness those algorithms depend on.
Understanding how they interact is essential for anyone building or evaluating quantum-safe systems.
TRNG to QRNG Upgrade
Traditional hardware random number generators rely on classical physical noise sources. Quantum random number generators improve on this by deriving randomness from quantum processes, providing stronger unpredictability and better suitability for modern security requirements.