{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11290256","patent":{"patent_number":"US-11290256","title":"Blockchain-based advertisement monitoring method and apparatus, and electronic device","assignee":null,"inventors":[],"filing_date":"2021-03-24T00:00:00.000Z","publication_date":"2022-03-29T00:00:00.000Z","cpc_codes":["H04L","G06Q","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":13,"abstract":"The specification discloses a blockchain-based advertisement monitoring method and apparatus, and an electronic device. The method may include: obtaining, by a playing device, an advertisement resource; at each of a plurality of different time points while playing the advertisement resource, collecting, by the playing device, screenshots of the advertisement resource; generating, by the playing device, a plurality of signatures based on the collected screenshots, an device identifier of the playing device, and a private encryption key of the playing device; generating, by the playing device, verification information based on the plurality of signatures; and uploading, by the playing device, the verification information to a blockchain network."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Blockchain-based advertisement monitoring method and apparatus, and electronic device","description":"The specification discloses a blockchain-based advertisement monitoring method and apparatus, and an electronic device. The method may include: obtaining, by a playing device, an advertisement resourc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11290256","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-11290256","citation_suggestion":"Patentable. \"Blockchain-based advertisement monitoring method and apparatus, and electronic device\" (US-11290256). https://patentable.app/patents/US-11290256","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11290256","json":"https://patentable.app/api/llm-context/US-11290256","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:12:46.156Z"}