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Quantum B Secures European Patent for Quantum Conference Key Agreement Protocol
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Fusion42 · 19 September 2026 · Fusion42 review
Quantum B has been granted a European patent for a Quantum Conference Key Agreement protocol that uses multipartite quantum entanglement to establish distributed consensus across network nodes, offering an alternative to classical consensus methods.
This Wire brief sits within Fusion42's coverage of Quantum Computing.
◆ ◆ The Wire takeaway
Quantum B’s patent opens a door to reduce communication overhead in quantum consensus protocols for blockchain alternatives. You in quantum software or hardware now have a tested framework to build low-trust distributed systems on.
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1 source · 19 Sep 2026
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