Which quantum computing breakthrough has had the most significant impact on retail cybersecurity protocols since 2020?

The retail sector is increasingly adopting advanced technologies to protect customer data and transactions. Quantum computing represents both a threat and opportunity in cybersecurity. This trivia question explores how quantum technologies are disrupting traditional retail security paradigms and what major breakthroughs have already occurred in this space. Test your knowledge about the cutting-edge intersection of quantum science and retail cybersecurity!

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IBM's development of a 127-qubit processor enabling real-time encryption breaking detection
Amazon's quantum-resistant blockchain for secure customer transactions
Google's quantum neural network for predicting cybersecurity threats in retail environments
Microsoft's quantum key distribution system for point-of-sale terminals