On August 18, 36Kr relayed a CCTV report that a China-led international standard proposal — *Overview and Analysis of Quantum Entropy Source Randomness Quality and Testing Methodology* — has been approved for initiation in the international standardization process. The keyword in the announcement is "testing methodology": before quantum random number generation can go commercial, vendors must answer whether the output is truly random, how randomness quality is quantified, and whether the generation process can be traced.
An important boundary should be noted: approval to initiate means the project enters the international standardization pipeline. It does not mean a globally unified, published, and enforceable standard already exists. This article treats the proposal as a standardization direction, not as a certification regime already in place.
Three Gates for Random Numbers
Gate one: statistical testing. Are the bits sufficiently uniform, and is there compressible structure in the sequence? Many random number projects treat this gate as everything. NIST's SP 800-90 series already splits random bit generators, entropy sources, and validation into separate layers. Passing a few frequency, run, or block-frequency tests cannot show that the numbers were unpredictable *before* generation.
Gate two: device provenance. Quantum mechanics supplies unpredictability, but "used a quantum device" does not make the output inherently trustworthy. Detector efficiency, environmental noise, laser drift, post-processing algorithms, and extraction steps can all hide defects. The more complex the source, the more the conversion chain from physical noise to final bits must be documented.
Gate three: traceability. Who generated this batch of numbers, at what time, and which step was modified? Can a third party re-verify? Publishing only a final string of 0/1 gives auditors nothing to check against.
NIST Already Made the Third Gate a Public Service
In 2025, NIST and the University of Colorado Boulder publicly launched CURBy. It measures entangled photons via a Bell test, then uses the Twine protocol to chain the generation process into a traceable, verifiable randomness service. In NIST's published first-40-day data, 7,454 attempts yielded 7,434 successes — a 99.7% success rate — with each successful run outputting 512 bits. Quantum measurements ran at roughly 250,000 per second, with raw results then rigorously processed.
The significance: randomness services are starting to disclose source, output, and verification path together. Twine does not slap marketing labels on random numbers — it leaves a checkable data fingerprint on every batch. Nature further reported in 2026 an experimental device-independent randomness amplification on superconducting circuits, in which a flawed random source was amplified through a Bell test to a level usable for cryptographic tasks. From another angle, this shows that the core competitiveness of quantum randomness lies in being *provable*, not merely looking uniform.
Where the Standard Proposal Lands
If the China-led proposal eventually reaches consensus, the most direct effect would be unified testing criteria: vendors would no longer each cherry-pick easy-to-pass statistical tests, and purchasers could separately accept "provenance, extraction, statistical quality, and post-processing traceability." For cryptography, gaming, audit sampling, and scientific simulation, this matters more than merely doubling generation rates.
Restraint is still warranted. Public reporting has not disclosed the working group's full document, scope, or final publication date; it addresses "how to build a testing framework," not a blanket certification that all quantum random numbers are automatically trustworthy. The next stage to watch: whether the standard text covers the boundary between classical pseudorandomness and quantum entropy sources, and whether device-independent proofs, statistical tests, and traceable records fit into one layered model.
Sources and verifiable links
1. 36Kr relaying CCTV: New progress in China's quantum technology international standardization https://36kr.com/newsflashes/3944223594528137 2. NIST: CURBy verifiable quantum randomness service https://www.nist.gov/news-events/news/2025/06/nist-and-partners-use-quantum-mechanics-make-factory-random-numbers 3. Nature: Experimental randomness amplification https://www.nature.com/articles/s41586-026-10521-8