More Context.. "Although QKD generates considerable interest, federal guidance continues to point overwhelmingly toward the transition to PQC.
Britta Hale, director of post-quantum cryptography at the Department of Defense Chief Information Office, explains that the department does not currently allow the use QKD or similar technologies for key distribution, confidentiality, authenticity or integrity purposes.
“QKD is a physics-based technology used to transport short data strings — like cryptographic keys — but does not meet our security requirements as a stand-alone technology for key distribution,” Hale says.
She adds that as a technology, QKD may have other transport uses outside of key distribution that are still being explored.
“To safeguard Department of War systems against both current and future quantum threats, we are focused entirely on PQC for key distribution, confidentiality, authenticity and integrity,” she says." I would say the new lady at IonQ would differ from Hale... They are focusing on PQC which itself is not a certain protection against QCs...
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