{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11271753","patent":{"patent_number":"US-11271753","title":"Cryptoasset custodial system with different cryptographic keys controlling access to separate groups of private keys","assignee":null,"inventors":[],"filing_date":"2021-06-23T00:00:00.000Z","publication_date":"2022-03-08T00:00:00.000Z","cpc_codes":["G06F","H04L","G06F","G06F","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":20,"abstract":"Methods, systems, and apparatus, including medium-encoded computer program products, for secure storage and retrieval of information, such as private keys, useable to control access to a blockchain, include, in at least one aspect, a method including: identifying for an action an associated private-keys group out of different private-keys groups, each having an associated cryptographic group key; decrypting, at a first computer, a first level of encryption of a private key associated with the action using the associated cryptographic group key; decrypting, at a second computer distinct from the first computer, a second level of encryption of the private key associated with the action using a hardware-based cryptographic key used by the second computer; using, at the second computer, the private key associated with the action in a process of digitally signing data to authorize the action; and sending the digitally signed data to a third computer to effect the action."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Cryptoasset custodial system with different cryptographic keys controlling access to separate groups of private keys","description":"Methods, systems, and apparatus, including medium-encoded computer program products, for secure storage and retrieval of information, such as private keys, useable to control access to a blockchain, i","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11271753","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-11271753","citation_suggestion":"Patentable. \"Cryptoasset custodial system with different cryptographic keys controlling access to separate groups of private keys\" (US-11271753). https://patentable.app/patents/US-11271753","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11271753","json":"https://patentable.app/api/llm-context/US-11271753","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:51:34.135Z"}