{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11936780","patent":{"patent_number":"US-11936780","title":"Quantum key distribution for secure and private transactions","assignee":null,"inventors":[],"filing_date":"2021-06-11T00:00:00.000Z","publication_date":"2024-03-19T00:00:00.000Z","cpc_codes":["H04L","H04L","G06N","H04L","H04L"],"num_claims":20,"abstract":"A transaction discovery protocol determines when a value r is less than a value a without learning the value of r or a. The protocol (1) receives, at a first computer via a secure communication channel, value ax, where x is a secret key unknown to the first computer; (2) generates vector B where a first entry is the value r, and subsequent entries are equal to the previous entry plus a predefined resolution; (3) generates vector By from the vector B using secret key y, unknown to a second computer, and sends vector By to the second computer; (4) receives vector Byx from the second computer and generates value axy; and (5) completes an agreement between the first computer and the second computer when the value axy is equal to one of the entries in the vector Byx, indicating that the value r is less than the value a."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Quantum key distribution for secure and private transactions","description":"A transaction discovery protocol determines when a value r is less than a value a without learning the value of r or a. The protocol (1) receives, at a first computer via a secure communication channe","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11936780","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11936780","citation_suggestion":"Patentable. \"Quantum key distribution for secure and private transactions\" (US-11936780). https://patentable.app/patents/US-11936780","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11936780","json":"https://patentable.app/api/llm-context/US-11936780","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T10:11:15.650Z"}