{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11468439","patent":{"patent_number":"US-11468439","title":"Systems and methods for blockchain based proof of payment","assignee":null,"inventors":[],"filing_date":"2017-01-12T00:00:00.000Z","publication_date":"2022-10-11T00:00:00.000Z","cpc_codes":["G06Q","G06Q","G06Q","G06Q","G06Q","G06Q"],"num_claims":20,"abstract":"A proof-of-payment system may receive a payment confirmation including a transaction amount and a merchant identifier. The system may select a record from a registration repository by matching the merchant identifier to the record. The record may have a public key associated with the merchant identifier via a registration process, for example. The system may also generate a proof-of-payment payload comprising an identifier and a payment amount, and encrypt the proof-of-payment payload using the public key. The system may write the encrypted proof-of-payment payload to a blockchain maintained on a first blockchain node."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems and methods for blockchain based proof of payment","description":"A proof-of-payment system may receive a payment confirmation including a transaction amount and a merchant identifier. The system may select a record from a registration repository by matching the mer","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11468439","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-11468439","citation_suggestion":"Patentable. \"Systems and methods for blockchain based proof of payment\" (US-11468439). https://patentable.app/patents/US-11468439","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11468439","json":"https://patentable.app/api/llm-context/US-11468439","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:37:09.547Z"}