{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11250404","patent":{"patent_number":"US-11250404","title":"Transaction scheme for offline payment","assignee":null,"inventors":[],"filing_date":"2017-11-07T00:00:00.000Z","publication_date":"2022-02-15T00:00:00.000Z","cpc_codes":["G06Q","G06Q","G06Q","G06Q","H04L","H04L","H04L"],"num_claims":11,"abstract":"An authentication factor is received, including an authentication key, an account information of a user, and a dynamic time factor. A bound authentication information is generated by using the authentication factor and a device information of a client device that requested the secure offline payment. The bound authentication information is transmitted to a service server system perform an offline payment authorization based on the bound authentication information. In response to a successful offline payment authorization, a graphical identifier is generated for completing the secure offline payment associated with the authentication factor, where the graphical identifier includes the bound authentication information and a dynamic password generated based on the dynamic time factor."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Transaction scheme for offline payment","description":"An authentication factor is received, including an authentication key, an account information of a user, and a dynamic time factor. A bound authentication information is generated by using the authent","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11250404","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-11250404","citation_suggestion":"Patentable. \"Transaction scheme for offline payment\" (US-11250404). https://patentable.app/patents/US-11250404","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11250404","json":"https://patentable.app/api/llm-context/US-11250404","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T07:43:34.557Z"}