Pro It looks like an old PC, but this bleeding-edge ‘server’ may well save us from hackers causing chaos in a post-quantum computing world — 4.1Gb/s ‘rackable’ quantum random number generator brings entropy to the data center News By Efosa Udinmwen published 21 June 2026 Q-Dice generates randomness that hackers cannot predict or reverse When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works . (Image credit: Fraunhofer IPMS) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Fraunhofer introduces quantum random generator targeting future cryptographic security challenges Q-Dice uses vacuum fluctuations instead of software algorithms for randomness New system delivers over 4 Gbit/s quantum-generated random number output As concerns grow about the security implications of future quantum computers, researchers continue searching for stronger sources of cryptographic protection. One critical requirement involves generating truly unpredictable random numbers that can withstand increasingly sophisticated attacks against modern digital systems. Fraunhofer IPMS has now introduced a new quantum random number generator designed specifically for security-sensitive environments and high-throughput infrastructure deployments. Latest Videos From Watch full video here: Quantum randomness replaces reliance on conventional algorithms The system, known as Q-Dice, generates random numbers using quantum vacuum fluctuations rather than conventional software algorithms that may contain weaknesses. According to Fraunhofer IPMS , the technology delivers randomness at speeds exceeding 4 Gbit/s, with the hardware appliance rated at 4.1 Gbit/s. You may like Quantum Q-Day could disrupt the world even sooner than AGI Google warns quantum computers could break Bitcoin encryption much sooner than expected Forget the AI Armageddon—quantum computing is the real threat to digital security Random number generation forms a fundamental component of encryption, authentication, secure communications, and access control systems throughout modern digital infrastructure. Weak or predictable randomness can undermine otherwise robust security mechanisms, creating opportunities for attackers to exploit cryptographic vulnerabilities. Are you a pro? Subscribe to our newsletter Sign up to the TechRadar Pro newsletter to get all the top news, opinion, features and guidance your business needs to succeed! Contact me with news and offers from other Future brands Receive email from us on behalf of our trusted partners or sponsors By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over. Because Q-Dice randomness originates from quantum vacuum fluctuations rather than a mathematical formula, there is no underlying pattern for hackers to study. This means no seed value exists for attackers to calculate, predict, or reverse engineer, regardless of available computing power. Fraunhofer IPMS says Q-Dice derives entropy from inherently unpredictable quantum effects, producing outputs suitable for applications including data encryption, authentication systems, secure communications, quantum key distribution, and post-quantum cryptography. What to read next The world’s first rack-mounted quantum computer is here Silicon-based qubits have a clear advantage in race to million-qubit quantum computer Researchers build foundation for quantum internet using current fiber infrastructure The organization claims that generated randomness was evaluated using recognized frameworks, including BSI AIS 20/31 and the NIST SP 800-22 test suite. The system also carries EAL 3 and PTG 3 classifications, reflecting compliance with security requirements established by Germany’s Federal Office for Information Security. Unlike many software-based approaches, the
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