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This patent marks a significant milestone for Quantum B by securing intellectual property for a protocol that uses quantum entanglement to achieve distributed consensus, potentially reducing reliance on classical cryptographic assumptions in networked systems. The development integrates time-bin encoded photons and GHZ states into a framework designed to enhance security and coordination across independent nodes without depending solely on traditional proof-of-work mechanisms.
Sources coveringThe Quantum Insider, The Verge, itbusinessnet.com, IEEE Spectrum
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Quantum B Secures European Patent for Quantum Conference Key Agreement Protocol Supporting Consensus in Distributed Systems

The Quantum Insider3 min read

Insider Brief PRESS RELEASE — Quantum B, Inc. (formerly Quantum Blockchains) announced that the European Patent Office (EPO) has granted the company a patent covering its Quantum Conference Key Agreement protocol and its application in distributed systems. The invention enables networks of independent nodes to reach consensus on shared data by leveraging randomness generated through […]

Quantum B secured a European patent covering its Quantum Conference Key Agreement protocol for reaching consensus in distributed systems. The protocol uses quantum-entangled states and correlated measurement results to help independent network nodes agree on shared data. Quantum B said it is continuing to develop the protocol alongside post-quantum and quantum-security technologies, including its…

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