{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"07d591c2-0f4c-45ac-a1d7-103c4807db8f","title":"数字经济：内涵与路径","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787521745023","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"07d591c2-0f4c-45ac-a1d7-103c4807db8f","id":"07d591c2-0f4c-45ac-a1d7-103c4807db8f","uuid":"07d591c2-0f4c-45ac-a1d7-103c4807db8f","title":"数字经济：内涵与路径","normalized_title":"数字经济内涵与路径","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787521745023","isbns":["9787521745023"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":361,"navigation_url":"https://workshop.closeclaw.top/ai/book/07d591c2-0f4c-45ac-a1d7-103c4807db8f","title_url":"https://workshop.closeclaw.top/ai/title/%E6%95%B0%E5%AD%97%E7%BB%8F%E6%B5%8E%EF%BC%9A%E5%86%85%E6%B6%B5%E4%B8%8E%E8%B7%AF%E5%BE%84","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/07d591c2-0f4c-45ac-a1d7-103c4807db8f/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/07d591c2-0f4c-45ac-a1d7-103c4807db8f/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/07d591c2-0f4c-45ac-a1d7-103c4807db8f","page_url":"https://workshop.closeclaw.top/api/ai/books/07d591c2-0f4c-45ac-a1d7-103c4807db8f/page","search_url":"https://workshop.closeclaw.top/api/ai/books/07d591c2-0f4c-45ac-a1d7-103c4807db8f/search"},"page":{"printed_page":63,"pdf_page":62,"physical_index":62,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"45e7922cfb740313065dc3cd930d5f07687f8f2110dc8e970d8af73e60e32e33"},"chapter":"第三章","content":"按照目前的应用场景，区块链可以分成三大类。\n\n一是公有链。主要指全世界任何人都可以读取、发送信息（或交易）且信息（或交易）都能获得有效确认的，也可以参与其中的“共识过程的区块链”。\n\n二是私有链，也称专有链。它是一条非公开的链，通常情况，未经授权不得加入（成为节点）。而且，私有链中各个节点的写入权限皆被严格控制，读取权限则可视需求有选择性地对外开放。\n\n三是联盟链。联盟链是指由多个机构共同参与管理的区块链，每个组织或机构管理一个或多个节点，其数据只允许系统内不同的机构进行读写和发送。\n\n就当下而言，区块链涉及四大技术领域。\n\n一是分布式账本技术。人类社会发明的记账技术先后有四种。早在原始社会时，人类发明了“结绳记账”，农业社会时发明了“记流水账”，\n\n63","previous_page":62,"next_page":64}