{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11477013","patent":{"patent_number":"US-11477013","title":"Methods and devices for cryptographic key management based on blockchain system","assignee":null,"inventors":[],"filing_date":"2020-11-17T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["H04L","H04L","G06F","G06F","G06Q","G06Q","G06Q","G06Q","G06Q","H04L","H04L","H04L","H04L","H04L","H04L","G06Q","H04L"],"num_claims":15,"abstract":"Disclosed herein are methods, devices, and apparatuses, including computer programs stored on computer-readable media, for managing a cryptographic key. One of the methods includes: receiving a request for a signature on transaction data; allocating a key manager corresponding to the request; and obtaining, by the key manager, the signature on the transaction data and the cryptographic key, wherein the cryptographic key is a public key, and the signature on the transaction data is obtained based on a private key corresponding to the public key."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods and devices for cryptographic key management based on blockchain system","description":"Disclosed herein are methods, devices, and apparatuses, including computer programs stored on computer-readable media, for managing a cryptographic key. One of the methods includes: receiving a reques","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11477013","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-11477013","citation_suggestion":"Patentable. \"Methods and devices for cryptographic key management based on blockchain system\" (US-11477013). https://patentable.app/patents/US-11477013","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11477013","json":"https://patentable.app/api/llm-context/US-11477013","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:47:10.045Z"}