{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11281661","patent":{"patent_number":"US-11281661","title":"Blockchain-based data processing method and device","assignee":null,"inventors":[],"filing_date":"2019-09-05T00:00:00.000Z","publication_date":"2022-03-22T00:00:00.000Z","cpc_codes":["G06F","H04L","G06F","G06F","G06F","G06Q","G06Q","H04L","H04L","H04L","G06Q","H04L"],"num_claims":15,"abstract":"A blockchain node obtains first service data. An attribute value of the first service data is determined, where the attribute value is used to represent uniqueness of the first service data. The blockchain node determines whether the first service data has been processed based on stored attribute values of second service data that has been processed and the attribute value of the first service data. In response to determining that the first service data has not been processed, the blockchain node processes the first service data."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Blockchain-based data processing method and device","description":"A blockchain node obtains first service data. An attribute value of the first service data is determined, where the attribute value is used to represent uniqueness of the first service data. The block","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11281661","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-11281661","citation_suggestion":"Patentable. \"Blockchain-based data processing method and device\" (US-11281661). https://patentable.app/patents/US-11281661","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11281661","json":"https://patentable.app/api/llm-context/US-11281661","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:07:28.787Z"}