--- title: "Quantum Voting System Shows Resilience to Noise on IBM Hardware" url: https://daily.dev/posts/quantum-voting-system-shows-resilience-to-noise-on-ibm-hardware-ekemdjxws source_url: https://thequantuminsider.com/2026/08/26/quantum-voting-system-shows-resilience-to-noise-on-ibm-hardware type: article source: "The Quantum Insider" published: 2026-08-26T09:30:06.015Z updated: 2026-08-26T09:30:31.650Z tags: ["quantum-computing", "algorithms"] reading_time: 10 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Quantum Voting System Shows Resilience to Noise on IBM Hardware **[The Quantum Insider](https://daily.dev/sources/thequantuminsider)** · 10 min read · 0 upvotes · 0 comments ## Summary Researchers from Bar-Ilan University, the European Institute of Science in Management, and Chapman University tested a quantum majority-rule (QMR) voting system on IBM quantum hardware, examining how hardware noise affects election outcomes. With five voters and three candidates, moderate readout error left winners stable up to a probability of 0.4, but results collapsed sharply at 0.5. Randomized electorates near majority-cycle boundaries proved far more fragile, with winner agreement dropping as low as 43% even at very low noise. A separate experiment found that entangled voter groups eliminated draws under ideal conditions, but this effect vanished under noise or when scaled to large populations. The team frames the work as a study of quantum voting rule stability and a test bed for error mitigation and correction research, not as evidence of practical quantum advantage for real elections. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### How much readout error can a quantum majority-rule voting system tolerate before the winning candidate changes? In hand-crafted five-voter, three-candidate test cases, the winning candidate stayed stable through a readout-error probability of 0.4, then collapsed abruptly at 0.5, with agreement to the classical winner falling to about 2%. However, randomized electorates near majority-cycle boundaries were far more fragile, with winner agreement dropping to 43% even at a readout-error probability of just 0.01. _daily.dev surfaces research like this for engineers tracking how noise and error correction affect quantum algorithm reliability._ ### Does quantum entanglement among voters actually change collective voting outcomes? Yes, under ideal noiseless conditions, groups of voters placed in GHZ-type entangled states eliminated draws entirely across 10,000 simulated voting rounds, compared to separable voter groups with the same individual probability distributions. That advantage weakened sharply under bit-flip noise, and at a bit-flip probability of 0.5 the entangled system behaved effectively randomly, with the effect also vanishing when only limited groups within large populations were entangled. _Developers exploring entanglement-based algorithms can follow this kind of noise-sensitivity research on daily.dev._ ## Similar posts on daily.dev - [Can Quantum Save Democracy? Quantum Voting Experiments Put Ballot Secrecy and Election Security to the Test](https://daily.dev/posts/can-quantum-save-democracy-quantum-voting-experiments-put-ballot-secrecy-and-election-security-to-t-cn4onkkmw) · The Quantum Insider · 0 upvotes · 0 comments - [IBM Scientists Challenge Quantum’s ‘Noise Barrier’](https://daily.dev/posts/ibm-scientists-challenge-quantum-s-noise-barrier--sbjbsiacs) · The Quantum Insider · 0 upvotes · 0 comments - [Experimental study of multiple-shot unitary channels discrimination using the IBM Q computers](https://daily.dev/posts/experimental-study-of-multiple-shot-unitary-channels-discrimination-using-the-ibm-q-computers-voflwoeyi) · Nature · 0 upvotes · 0 comments - [University of Sydney and IBM Identify Major Source of Quantum Computing Errors](https://daily.dev/posts/university-of-sydney-and-ibm-identify-major-source-of-quantum-computing-errors-bbtffakpo) · The Quantum Insider · 0 upvotes · 0 comments --- Tags: [#quantum-computing](https://daily.dev/tags/quantum-computing), [#algorithms](https://daily.dev/tags/algorithms) [View this post on daily.dev](https://daily.dev/posts/quantum-voting-system-shows-resilience-to-noise-on-ibm-hardware-ekemdjxws)