{"id":118,"date":"2023-12-22T12:07:29","date_gmt":"2023-12-22T12:07:29","guid":{"rendered":"https:\/\/sitecenter.ir\/arman\/?p=118"},"modified":"2024-11-06T01:08:51","modified_gmt":"2024-11-06T09:08:51","slug":"blockchain-system-analysis-4","status":"publish","type":"post","link":"https:\/\/sarafyarman.com\/en\/blockchain-system-analysis-4\/","title":{"rendered":"Blockchain System Analysis"},"content":{"rendered":"<p>A\u00a0<b>blockchain<\/b>\u00a0is a\u00a0<a title=\"Distributed ledger\" href=\"https:\/\/en.wikipedia.org\/wiki\/Distributed_ledger\">distributed ledger<\/a>\u00a0with growing lists of\u00a0<a title=\"Record (computer science)\" href=\"https:\/\/en.wikipedia.org\/wiki\/Record_(computer_science)\">records<\/a>\u00a0(<i>blocks<\/i>) that are securely linked together via\u00a0<a title=\"Cryptographic hash function\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cryptographic_hash_function\">cryptographic hashes<\/a>.<sup id=\"cite_ref-fortune20160515_1-0\" class=\"reference\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Blockchain#cite_note-fortune20160515-1\">[1]<\/a><\/sup><sup id=\"cite_ref-nyt20160521_2-0\" class=\"reference\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Blockchain#cite_note-nyt20160521-2\">[2]<\/a><\/sup><sup id=\"cite_ref-te20151031_3-0\" class=\"reference\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Blockchain#cite_note-te20151031-3\">[3]<\/a><\/sup><sup id=\"cite_ref-cryptocurrencytech_4-0\" class=\"reference\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Blockchain#cite_note-cryptocurrencytech-4\">[4]<\/a><\/sup>\u00a0Each block contains a cryptographic hash of the previous block, a\u00a0<a title=\"Trusted timestamping\" href=\"https:\/\/en.wikipedia.org\/wiki\/Trusted_timestamping\">timestamp<\/a>, and transaction data (generally represented as a\u00a0<a title=\"Merkle tree\" href=\"https:\/\/en.wikipedia.org\/wiki\/Merkle_tree\">Merkle tree<\/a>, where\u00a0<a title=\"Node (computer science)\" href=\"https:\/\/en.wikipedia.org\/wiki\/Node_(computer_science)\">data nodes<\/a>\u00a0are represented by leaves). Since each block contains information about the previous block, they effectively form a\u00a0<i>chain<\/i>\u00a0(compare\u00a0<a title=\"Linked list\" href=\"https:\/\/en.wikipedia.org\/wiki\/Linked_list\">linked list<\/a>\u00a0data structure), with each additional block linking to the ones before it. Consequently, blockchain transactions are irreversible in that, once they are recorded, the data in any given block cannot be altered retroactively without altering all subsequent blocks<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A\u00a0blockchain\u00a0is a\u00a0distributed ledger\u00a0with growing lists of\u00a0records\u00a0(blocks) that are securely linked together via\u00a0cryptographic hashes.[1][2][3][4]\u00a0Each block contains a cryptographic hash of the previous block, a\u00a0timestamp, and transaction data (generally represented as a\u00a0Merkle tree, where\u00a0data nodes\u00a0are represented by leaves). Since each block contains information about the previous block, they effectively form a\u00a0chain\u00a0(compare\u00a0linked list\u00a0data structure), with each additional block&#8230;<\/p>\n","protected":false},"author":1,"featured_media":104,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-118","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Blockchain System Analysis - Arman<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sarafyarman.com\/en\/blockchain-system-analysis-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blockchain System Analysis - Arman\" \/>\n<meta property=\"og:description\" content=\"A\u00a0blockchain\u00a0is a\u00a0distributed ledger\u00a0with growing lists of\u00a0records\u00a0(blocks) that are securely linked together via\u00a0cryptographic hashes.[1][2][3][4]\u00a0Each block contains a cryptographic hash of the previous block, a\u00a0timestamp, and transaction data (generally represented as a\u00a0Merkle tree, where\u00a0data nodes\u00a0are represented by leaves). 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