Which quantum computing development poses the greatest immediate threat to current encryption methods used in scientific e-commerce platforms?

As scientific research institutions and pharmaceutical companies increasingly move to online retail platforms, they face unique cybersecurity challenges. Quantum computing presents both opportunities and threats to retail cybersecurity in the scientific sector. This poll tests your knowledge about how quantum computing is changing the cybersecurity landscape for scientific retail operations.

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Shor's Algorithm implementation on quantum computers with sufficient qubits to break RSA encryption
Quantum entanglement communication channels replacing traditional SSL/TLS protocols
Quantum annealing systems optimizing brute force attacks on AES-256 encryption
Quantum machine learning algorithms that can predict and mimic human purchasing behaviors