{"id":89434,"date":"2023-06-16T01:26:25","date_gmt":"2023-06-16T06:56:25","guid":{"rendered":"https:\/\/www.whizlabs.com\/blog\/?p=89434"},"modified":"2023-06-29T04:04:48","modified_gmt":"2023-06-29T09:34:48","slug":"certified-blockchain-expert-free-questions","status":"publish","type":"post","link":"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/","title":{"rendered":"Free Questions on Certified Blockchain Expert"},"content":{"rendered":"<p>Blockchain, originally introduced as the underlying technology behind cryptocurrencies like Bitcoin, has transcended its initial boundaries and has found applications in various sectors such as finance, supply chain management, healthcare, real estate, and more. Its decentralized, immutable, and transparent nature has garnered attention and recognition from both established enterprises and startups alike.<\/p>\n<p>However, the implementation and optimization of blockchain technology require individuals who possess a deep understanding of its core principles, intricacies, and potential applications. This is where the role of a <a href=\"https:\/\/www.whizlabs.com\/certified-blockchain-expert\/\" target=\"_blank\" rel=\"noopener\">Certified Blockchain Expert<\/a> becomes pivotal.<\/p>\n<p>A professional who has taken specialized training and obtained an acknowledged certification attesting that they have a thorough understanding and practical skill in blockchain technology is known as a Certified Blockchain Expert. By earning this certification, people improve their chances of landing a job and obtain the skills they need to successfully negotiate the challenges of blockchain deployment, expansion, security, and strategy.<\/p>\n<p>In this blog post, we have provided free Certified Blockchain Expert questions which look like Certified Blockchain Expert practice questions. And thus individuals who want to clear the Certified Blockchain Expert can make use of these practices exam to get familiar with the real exam formats.<\/p>\n<p>Let&#8217;s dig in!<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ea7e02;color:#ea7e02\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ea7e02;color:#ea7e02\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Exam_Format_of_Certified_Blockchain_Expert\" >Exam Format of Certified Blockchain Expert<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Top_25_Free_Questions_on_Certified_Blockchain_Expert\" >Top 25 Free Questions on Certified Blockchain Expert<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Origin_of_Blockchain_Technology\" >Domain: Origin of Blockchain Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Origin_of_Blockchain_Technology-2\" >Domain: Origin of Blockchain Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Origin_of_Blockchain_Technology-3\" >Domain: Origin of Blockchain Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Transactions_UTXO_Vs_Account_Model\" >Domain: Transactions UTXO Vs. Account Model<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Origin_of_Blockchain_Technology-4\" >Domain: Origin of Blockchain Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Origin_of_Blockchain_Technology-5\" >Domain: Origin of Blockchain Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Origin_of_Blockchain_Technology-6\" >Domain: Origin of Blockchain Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Origin_of_Blockchain_Technology-7\" >Domain: Origin of Blockchain Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Introduction_to_Blockchain\" >Domain: Introduction to Blockchain<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Introduction_to_Blockchain-2\" >Domain: Introduction to Blockchain<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Introduction_to_Blockchain-3\" >Domain: Introduction to Blockchain<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Introduction_to_Blockchain-4\" >Domain: Introduction to Blockchain<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Introduction_to_Blockchain-5\" >Domain: Introduction to Blockchain<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Introduction_to_Blockchain-6\" >Domain: Introduction to Blockchain<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything-2\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything-3\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything-4\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Introduction_to_Blockchain-7\" >Domain: Introduction to Blockchain<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything-5\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything-6\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything-7\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything-8\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything-9\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Domain_Tokenize_Everything-10\" >Domain: Tokenize Everything<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.whizlabs.com\/blog\/certified-blockchain-expert-free-questions\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Exam_Format_of_Certified_Blockchain_Expert\"><\/span>Exam Format of Certified Blockchain Expert<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"alignnone wp-image-89609 size-full\" src=\"https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/CBE-Exam-Details.webp\" alt=\"cbe-exam-details\" width=\"900\" height=\"500\" srcset=\"https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/CBE-Exam-Details.webp 900w, https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/CBE-Exam-Details-300x167.webp 300w, https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/CBE-Exam-Details-768x427.webp 768w, https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/CBE-Exam-Details-150x83.webp 150w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Top_25_Free_Questions_on_Certified_Blockchain_Expert\"><\/span>Top 25 Free Questions on Certified Blockchain Expert<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>We have presented the top 25 free questions on Certified Blockchain Expert, exploring the importance, benefits, and knowledge areas covered in this certification program. And they are:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Origin_of_Blockchain_Technology\"><\/span><b>Domain: Origin of Blockchain Technology<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 1:<\/b><strong> In Centralized Systems, two types of nodes participating in the systems are, (Select TWO)<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Server or Super Node<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Validator or Validator Node<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Client or User Node<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>Peer or Member Node<\/span><\/p>\n<p><b>Correct Answers: A and C<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options B and D<\/b><span style=\"font-weight: 400;\"> are incorrect because the validator and peer are not participating in the centralized architecture.<\/span><\/p>\n<p><b>Options A and C<\/b><span style=\"font-weight: 400;\"> are correct because the centralized architecture usually uses a client-server model.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Origin of Blockchain Technology<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Electronic System and Trust<\/span><\/p>\n<p><a href=\"https:\/\/www.geeksforgeeks.org\/comparison-centralized-decentralized-and-distributed-systems\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Comparison &#8211; Centralized, Decentralized and Distributed Systems &#8211; GeeksforGeeks<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Origin_of_Blockchain_Technology-2\"><\/span><b>Domain: Origin of Blockchain Technology<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 2: In Decentralized Systems, every node makes its own decision. The system&#8217;s final state is derived from each node&#8217;s aggregation. State true or false.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>True<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>False<\/span><\/p>\n<p><b>Correct Answer: A<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Option A is correct<\/b><span style=\"font-weight: 400;\"> because every node in the decentralized system will drive the system&#8217;s final state.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Origin of Blockchain Technology<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Electronic System and Trust<\/span><\/p>\n<p><a href=\"https:\/\/www.geeksforgeeks.org\/comparison-centralized-decentralized-and-distributed-systems\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.geeksforgeeks.org\/comparison-centralized-decentralized-and-distributed-systems\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Origin_of_Blockchain_Technology-3\"><\/span><b>Domain: Origin of Blockchain Technology<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 3: <\/b><strong>Digicash was a company that had a project to create electronic money. Digicash was created later after the popularity of Bitcoin. State true or false.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"> <strong>A. <\/strong>True<\/span><br \/>\n<span style=\"font-weight: 400;\"> <strong>B. <\/strong>False<\/span><\/p>\n<p><b>Correct Answer: B<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Option B is correct <\/b><span style=\"font-weight: 400;\">because Digicash was founded in 1989 By David Chaum.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.whizlabs.com\/blog\/implementing-zero-trust-architecture\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Origin of Blockchain Technology<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Predecessor of Blockchain<\/span><\/p>\n<p><a href=\"https:\/\/www.investopedia.com\/terms\/d\/digicash.asp\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.investopedia.com\/terms\/d\/digicash.asp<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything\"><\/span><strong>Domain: Tokenize Everything<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 4: Please choose the phase that is not included in the crypto token mechanism.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Company issues digital tokens for its stocks<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>People purchase and pass these tokens around<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Every transaction is recorded on the blockchain<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>The tokens are included in the stock exchange<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>E. <\/strong>The blockchain and tokens provide stock ownership information<\/span><\/p>\n<p><b>Correct Answer: D<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, B, C and E are incorrect<\/b><span style=\"font-weight: 400;\"> because these phases are included in the crypto token mechanism.<\/span><\/p>\n<p><b>Option D is CORRECT<\/b><span style=\"font-weight: 400;\"> because the phase is not included in the crypto token mechanism.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Tokens on the Ethereum Platform<\/span><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Transactions_UTXO_Vs_Account_Model\"><\/span><b>Domain: Transactions UTXO Vs. Account Model<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 5: In the unspent transaction output (UTXO), each transaction represents a state change in the network, but doing so is difficult and unscalable.<br \/>\n\u201cWhen state transitions often occur, designing a consensus that synchronizes all nodes becomes even more difficult. The blockchain uses blocks to batch transactions representing any state transition in the system.\u201d<\/strong><\/p>\n<p><strong>The above given statement about state transitions in the UTXO Model is incorrect.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>True<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>False<\/span><\/p>\n<p><b>Correct Answer: B<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Option B is CORRECT<\/b><span style=\"font-weight: 400;\"> because the statements are the correct definition of state transition in the UTXO model.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Transactions UTXO Vs. Account Model<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Transactions UTXO Vs. Account Model<\/span><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Origin_of_Blockchain_Technology-4\"><\/span><b>Domain: Origin of Blockchain Technology<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 6: The blind signature scheme is used in Digicash electronic money. A blind signature scheme is a digital signature that _____ the identity of the message contents and the sender.<\/strong><\/p>\n<p><strong>Please fill in the blank section.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Reveal<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Transform<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Conceal<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>Extract<\/span><\/p>\n<p><b>Correct Answer: C<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, B and D are incorrect<\/b><span style=\"font-weight: 400;\"> because the blind signature is not revealed, transformed, or extract the identity of the message content and sender.<\/span><\/p>\n<p><b>Option C is CORRECT<\/b><span style=\"font-weight: 400;\"> because the blind signature conceals the identity of the message content and sender.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Origin of Blockchain Technology<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Predecessor of Blockchain<\/span><\/p>\n<p><a href=\"https:\/\/www.hypr.com\/security-encyclopedia\/blind-signature-scheme\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.hypr.com\/security-encyclopedia\/blind-signature-scheme<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Origin_of_Blockchain_Technology-5\"><\/span><b>Domain: Origin of Blockchain Technology<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 7:\u00a0 A famous computer scientist created a website called Bitcoin Faucets and gave away small amounts of Bitcoin in the early days. The computer scientist&#8217;s name is _____.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Gavin Wood<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Nick Szabo<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Gavin Andersen<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>Laszlo Hanyecz<\/span><\/p>\n<p><b>Correct Answer: C<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, B and D are incorrect<\/b><span style=\"font-weight: 400;\"> because the name is not the computer scientist that creates the Bitcoin Faucet.<\/span><\/p>\n<p><b>Option C is CORRECT<\/b><span style=\"font-weight: 400;\"> because Gavin Andresen is the computer scientist who created the Bitcoin Faucet.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Origin of Blockchain Technology<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Bringing Bitcoin to Life<\/span><\/p>\n<p><a href=\"https:\/\/news.bitcoin.com\/bitcoin-history-part-3-turning-on-the-faucet\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/news.bitcoin.com\/bitcoin-history-part-3-turning-on-the-faucet\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Origin_of_Blockchain_Technology-6\"><\/span><b>Domain: Origin of Blockchain Technology<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question <\/b><strong>8: On August 18, 2008, Satoshi Nakamoto, an anonymous person or a group of people, published a whitepaper with the title:<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Bitcoin: A Peer-to-peer Electronic Payment System<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Bitcoin: A Peer-to-peer Electronic Cash System<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Bitcoin: A Peer-to-peer Decentralized Cash System<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>Bitcoin: A Peer-to-peer Anonymous Cash System<\/span><\/p>\n<p><b>Correct Answer: B<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, C and D are incorrect <\/b><span style=\"font-weight: 400;\">because they are not the name of the first bitcoin whitepaper.<\/span><\/p>\n<p><b>Option B is CORRECT <\/b><span style=\"font-weight: 400;\">because it is the title of the first bitcoin whitepaper.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Origin of Blockchain Technology<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: The Bitcoin Experiment<\/span><\/p>\n<p><a href=\"https:\/\/www.microstrategy.com\/en\/bitcoin\/documents\/bitcoin-a-peer-to-peer-electronic-cash-system\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.microstrategy.com\/en\/bitcoin\/documents\/bitcoin-a-peer-to-peer-electronic-cash-system<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Origin_of_Blockchain_Technology-7\"><\/span><b>Domain: Origin of Blockchain Technology<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question <\/b><strong>9: Which of the following systems are predecessors of Bitcoin?<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Ethereum<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Cardano<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Hyperledger<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>HashCash<\/span><\/p>\n<p><b>Correct Answer: D<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, B and C are incorrect<\/b><span style=\"font-weight: 400;\"> because they are created after Bitcoin.<\/span><\/p>\n<p><b>Option D is CORRECT<\/b><span style=\"font-weight: 400;\"> because HashCash existed before Bitcoin was created.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Origin of Blockchain Technology<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Predecessor of Blockchain<\/span><\/p>\n<p><a href=\"https:\/\/paybis.com\/blog\/what-is-hashcash\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/paybis.com\/blog\/what-is-hashcash\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Introduction_to_Blockchain\"><\/span><b>Domain: Introduction to Blockchain<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 10:<\/b> <strong>Blocks in blockchain generally include these elements (might vary between different types), EXCEPT.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Blocksize<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Block header<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Previous block hash<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>Transactions<\/span><\/p>\n<p><b>Correct Answer: C<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, B and D are incorrect<\/b><span style=\"font-weight: 400;\"> because they are included in the block.<\/span><\/p>\n<p><b>Option C is CORRECT <\/b><span style=\"font-weight: 400;\">because the previous block hash is usually included in the block header.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Introduction to Blockchain<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: What is Blockchain?<\/span><\/p>\n<p><a href=\"https:\/\/www.investopedia.com\/terms\/b\/block-bitcoin-block.asp\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.investopedia.com\/terms\/b\/block-bitcoin-block.asp<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Introduction_to_Blockchain-2\"><\/span><b>Domain: Introduction to Blockchain<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 11: Blockchain can be categorized into the following types based on the access level of the node participants, EXCEPT _______.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Remote or virtual blockchain<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Private or permissioned blockchain<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Public blockchain<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>Federated or consortium blockchain<\/span><\/p>\n<p><b>Correct Answer: A<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options B, C and D are incorrect<\/b><span style=\"font-weight: 400;\"> because they are in the category of blockchain.<\/span><\/p>\n<p><b>Option A is CORRECT<\/b><span style=\"font-weight: 400;\"> because there is no remote or virtual blockchain.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Introduction to Blockchain<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: What is Blockchain?<\/span><\/p>\n<p><a href=\"https:\/\/www.oracle.com\/middleeast\/blockchain\/what-is-blockchain\/#types\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.oracle.com\/middleeast\/blockchain\/what-is-blockchain\/#types<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Introduction_to_Blockchain-3\"><\/span><b>Domain: Introduction to Blockchain<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 12: <\/b><strong>Ethereum is an open-source blockchain platform that enables developers to build and deploy decentralized applications. Ethereum changed its consensus mechanism from ______ to the more power-efficient consensus mechanism called _______.<\/strong><\/p>\n<p><strong>Please fill in the blank.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Proof-of-work; Proof-of-stake<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Proof-of-work; Proof-of-authority<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Proof-of-work; Proof-of-history<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>Proof-of-work; Proof-of-elapsed-time<\/span><\/p>\n<p><b>Correct Answer: A<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options B, C and D are incorrect<\/b><span style=\"font-weight: 400;\"> because they are not the consensus mechanism used by Ethereum.<\/span><\/p>\n<p><b>Option A is CORRECT<\/b><span style=\"font-weight: 400;\"> because Ethereum recently moved from Proof-of-work to Proof-of-stake.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Introduction to Blockchain<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: What are Different Blockchain Technologies?<\/span><\/p>\n<p><a href=\"https:\/\/techcrunch.com\/2022\/09\/15\/ethereum-switches-to-proof-of-stake-consensus-after-completing-the-merge\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/techcrunch.com\/2022\/09\/15\/ethereum-switches-to-proof-of-stake-consensus-after-completing-the-merge\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Introduction_to_Blockchain-4\"><\/span><b>Domain: Introduction to Blockchain<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 13: <\/b><strong>The elliptic curve digital signature algorithm (ECDSA) is a cryptographic algorithm used by Ethereum to ensure that funds can only be spent by their owners. It&#8217;s the preferred method for creating public and private keys. Relevant for account address generation and transaction verification.<\/strong><\/p>\n<p><strong>The ECDSA is a quantum-resistant signature algorithm.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>True<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>False<\/span><\/p>\n<p><b>Correct Answer: B<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Option B is CORRECT<\/b><span style=\"font-weight: 400;\"> because ECDSA is not quantum-resistant signature algorithm.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Introduction to Blockchain<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Benefits of Using Blockchain Technology<\/span><\/p>\n<p><a href=\"https:\/\/consensys.net\/blog\/developers\/how-will-quantum-supremacy-affect-blockchain\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/consensys.net\/blog\/developers\/how-will-quantum-supremacy-affect-blockchain\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Introduction_to_Blockchain-5\"><\/span><b>Domain: Introduction to Blockchain<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 14:<\/b><strong> How often is the Bitcoin mining reward revised (Bitcoin halving)?<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Every two years<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Every three years<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>After every 210,000 blocks<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>After every 105,000 blocks<\/span><\/p>\n<p><b>Correct Answer: C<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, B and C are incorrect<\/b><span style=\"font-weight: 400;\"> because they are not the waiting period for Bitcoin halving.<\/span><\/p>\n<p><b>Option C is CORRECT<\/b><span style=\"font-weight: 400;\"> because Bitcoin halving happens after every 210,000 blocks (approximately four years).<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Introduction to Blockchain<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: What is Blockchain?<\/span><\/p>\n<p><a href=\"https:\/\/www.investopedia.com\/bitcoin-halving-4843769\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.investopedia.com\/bitcoin-halving-4843769<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Introduction_to_Blockchain-6\"><\/span><b>Domain: Introduction to Blockchain<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 15: <\/b><strong>While using a public blockchain, you must be careful to include the ____ into the blockchain.<\/strong><\/p>\n<p><strong>Please fill in the blank.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Personal Data<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Block time<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Temporary variables<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>Programming functions<\/span><\/p>\n<p><b>Correct Answer: A<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options B, C and D are incorrect <\/b><span style=\"font-weight: 400;\">because the public blockchain not impacts them.<\/span><\/p>\n<p><b>Option A is CORRECT <\/b><span style=\"font-weight: 400;\">because personal data is sensitive content and should not be included in the public blockchain.<\/span><\/p>\n<p><strong>Reference:<\/strong><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Introduction to Blockchain<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: What is Blockchain?<\/span><\/p>\n<p><a href=\"https:\/\/www.oracle.com\/middleeast\/blockchain\/what-is-blockchain\/#types\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.oracle.com\/middleeast\/blockchain\/what-is-blockchain\/#types<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything-2\"><\/span><b>Domain: Tokenize Everything<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 16: Tokens represent fungible or non-fungible asset that is digitally stored on the blockchain.<\/strong><\/p>\n<p><strong>You can create a token as much as you want in the Ethereum blockchain.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>True<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>False<\/span><\/p>\n<p><b>Correct Answer: A<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Option A is CORRECT <\/b><span style=\"font-weight: 400;\">because you can create as many tokens as you want. But, to make it valuable, you must design the token economic mechanism.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Tokens on the Ethereum Platform<\/span><\/p>\n<p><a href=\"https:\/\/www.investopedia.com\/terms\/c\/crypto-token.asp\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/www.investopedia.com\/terms\/c\/crypto-token.asp<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything-3\"><\/span><b>Domain: Tokenize Everything<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 17: In the Ethereum blockchain platform, the standard interface for fungible tokens (voting tokens, staking tokens, or virtual currencies) is defined as:<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>ERC-721<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>ERC-4626<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>ERC-20<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>ERC-4337<\/span><\/p>\n<p><b>Correct Answer: C<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, B and D are incorrect<\/b><span style=\"font-weight: 400;\"> because they are not the standards for fungible tokens.<\/span><\/p>\n<p><b>Option C is CORRECT<\/b><span style=\"font-weight: 400;\"> because ERC-20 is the standard interface for fungible tokens (voting tokens, staking tokens, or virtual currencies).<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Ethereum Token Standards<\/span><\/p>\n<p><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/standards\/tokens\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/ethereum.org\/en\/developers\/docs\/standards\/tokens\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything-4\"><\/span><b>Domain: Tokenize Everything<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 18: In the Ethereum blockchain platform, the standard interface for non-fungible tokens (like a deed for artwork or a song) is defined as:<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>ERC-721<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>ERC-4626<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>ERC-20<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>ERC-4337<\/span><\/p>\n<p><b>Correct Answer: A<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options B, C and D are incorrect<\/b><span style=\"font-weight: 400;\"> because they are not the standards for non-fungible tokens.<\/span><\/p>\n<p><b>Option A is CORRECT<\/b><span style=\"font-weight: 400;\"> because ERC-721 is the standard for non-fungible tokens (like a deed for artwork or a song).<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Ethereum Token Standards<\/span><\/p>\n<p><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/standards\/tokens\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/ethereum.org\/en\/developers\/docs\/standards\/tokens\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Introduction_to_Blockchain-7\"><\/span><b>Domain: Introduction to Blockchain<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 19: The Maximal Extractable Value (MEV) is refer to:<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>The maximum value that can be extracted from block production over the standard block reward and gas fees by including, excluding, and changing the order of transactions in a block<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>The maximum gas value that can be reduced from block production over the standard block reward and gas fees by including, excluding, and changing the order of transactions in a block<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>The maximum transaction value that can be reduced from block production over the standard block reward and gas fees by including, excluding, and changing the order of transactions in a block<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>The maximum staking value that can be extracted from block production over the standard block reward and gas fees by including, excluding, and changing the order of transactions in a block<\/span><\/p>\n<p><b>Correct Answer: A<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options B, C and D are incorrect <\/b><span style=\"font-weight: 400;\">because they are not the definition of MEV.<\/span><\/p>\n<p><b>Option A is CORRECT<\/b><span style=\"font-weight: 400;\"> because the MEV represents the value that can be extracted from block production.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Introduction to Blockchain<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: What is Blockchain?<\/span><\/p>\n<p><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/mev\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/ethereum.org\/en\/developers\/docs\/mev\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything-5\"><\/span><b>Domain: Tokenize Everything<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 20: Dutch auctions consider all the bids _____ settling on a ceiling price, then gradually dropping as time passes. Dutch auctions are usually used to sell an item in _____ quantities, which matches the style of NFT drops.<br \/>\nAs the price drops, it becomes more affordable, and demand increases. This means you have to buy at your value price since waiting to buy below that price could mean not getting any quantity of the item.<\/strong><\/p>\n<p><strong>Please fill in the blank.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Before; Small<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Before; Large<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>After; Small<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>After; Large<\/span><\/p>\n<p><b>Correct Answer: B<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, C and D are incorrect <\/b><span style=\"font-weight: 400;\">because they are not the definition of the dutch auction in NFT.<\/span><\/p>\n<p><b>Option B is CORRECT<\/b><span style=\"font-weight: 400;\"> because the dutch auction considers the bid before setting the ceiling price and is suitable for selling items in large quantities.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Ethereum Token Standards<\/span><\/p>\n<p><a href=\"https:\/\/blogs.cornell.edu\/info2040\/2022\/09\/15\/dutch-auctions-for-nfts\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/blogs.cornell.edu\/info2040\/2022\/09\/15\/dutch-auctions-for-nfts\/<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything-6\"><\/span><b>Domain: Tokenize Everything<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 21: In the Ethereum blockchain platform, typically, standards are introduced as Ethereum Improvement Proposals (EIPs) which the community members discuss through a standard process.<\/strong><\/p>\n<p><strong>The following are different types of EIPs. (Select Three)<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Core<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Networking<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Algorithm<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>ERC<\/span><\/p>\n<p><b>Correct Answers: A, B and D<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Options A, B and D are CORRECT <\/b><span style=\"font-weight: 400;\">because Core, Networking, and ERC are included in the EIP types.<\/span><\/p>\n<p><b>Option B is incorrect<\/b><span style=\"font-weight: 400;\"> because there is no such thing as an algorithm in EIP.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Ethereum Token Standards<\/span><\/p>\n<p><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything-7\"><\/span><b>Domain: Tokenize Everything<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 22: <\/b><strong>Which type of EIP requires a consensus fork and changes that are not necessarily consensus critical but may be relevant to &#8220;core dev&#8221; discussions?<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Core<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Networking<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Algorithm<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>ERC<\/span><\/p>\n<p><b>Correct Answer: A<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Option A is CORRECT<\/b><span style=\"font-weight: 400;\"> because the &#8220;core&#8221; EIP represents the changes requiring a consensus fork.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Ethereum Token Standards<\/span><\/p>\n<p><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything-8\"><\/span><b>Domain: Tokenize Everything<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 23: <\/b><strong>This type of EIP is application-level standards and conventions, including contract standards such as token standards, name registries, URI schemes, library\/package formats, and wallet formats.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Core<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Networking<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Algorithm<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>ERC<\/span><\/p>\n<p><b>Correct Answer: D<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Option D is CORRECT<\/b><span style=\"font-weight: 400;\"> because the &#8220;ERC&#8221; EIP represents application-level standards and conventions.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Ethereum Token Standards<\/span><\/p>\n<p><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything-9\"><\/span><b>Domain: Tokenize Everything<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 24: <\/b><strong>This type of EIP includes improvements around devp2p and Light Ethereum Subprotocol and proposed revisions to network protocol specifications of whisper and swarm.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Core<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Networking<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Algorithm<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>ERC<\/span><\/p>\n<p><b>Correct Answer: B<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Option D is CORRECT<\/b><span style=\"font-weight: 400;\"> because the &#8220;Networking&#8221; EIP represents the improvements to the network protocol.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Ethereum Token Standards<\/span><\/p>\n<p><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_Tokenize_Everything-10\"><\/span><b>Domain: Tokenize Everything<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><b>Question 25: <\/b><strong>This EIP track describes a process surrounding Ethereum or proposes a change to a process.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><strong>A. <\/strong>Standards Track<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>B. <\/strong>Meta Track<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>C. <\/strong>Informational Track<\/span><br \/>\n<span style=\"font-weight: 400;\"><strong>D. <\/strong>Consensus Track<\/span><\/p>\n<p><b>Correct Answer: B<\/b><\/p>\n<p><b>Explanation:<\/b><\/p>\n<p><b>Option B is CORRECT<\/b><span style=\"font-weight: 400;\"> because the Meta Track EIP describes a process surrounding Ethereum or proposes a change to a process.<\/span><\/p>\n<p><b>Reference:<\/b><\/p>\n<p><a href=\"https:\/\/www.blockchain-council.org\/certifications\/certified-blockchain-professional-expert\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Certified Blockchain Expert Course<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Module: Tokenize Everything<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Section: Ethereum Token Standards<\/span><\/p>\n<p><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">https:\/\/ethereum.org\/en\/developers\/docs\/standards\/#types-of-standards<\/span><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hope this article equips you with important Certified Blockchain Expert practice questions that help to get familiar with the concepts of this certification. Through this journey, we have discovered that becoming a Certified Blockchain Expert equips individuals with comprehensive knowledge and practical skills to navigate the complexities of blockchain technology.<\/p>\n<p>Getting Certified Blockchain Expert certification opens doors to exciting career opportunities and empowers professionals to drive innovation and facilitate blockchain adoption across industries. If you want to improvise your practical exposure to blockchain technology, try our <a href=\"https:\/\/www.whizlabs.com\/labs\/library\" target=\"_blank\" rel=\"noopener\">hands-on labs<\/a> and <a href=\"https:\/\/www.whizlabs.com\/labs\/sandbox\" target=\"_blank\" rel=\"noopener\">sandboxes<\/a>.<\/p>\n<p>By staying informed and continuously expanding our blockchain expertise, we can harness the transformative power of this technology and shape the future of our digital world.<\/p>\n<p>If you have any queries on this blog post, feel free to contact us today!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blockchain, originally introduced as the underlying technology behind cryptocurrencies like Bitcoin, has transcended its initial boundaries and has found applications in various sectors such as finance, supply chain management, healthcare, real estate, and more. Its decentralized, immutable, and transparent nature has garnered attention and recognition from both established enterprises and startups alike. However, the implementation and optimization of blockchain technology require individuals who possess a deep understanding of its core principles, intricacies, and potential applications. This is where the role of a Certified Blockchain Expert becomes pivotal. A professional who has taken specialized training and obtained an acknowledged certification attesting [&hellip;]<\/p>\n","protected":false},"author":363,"featured_media":89565,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[7],"tags":[390],"class_list":["post-89434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blockchain","tag-best-blockchain-certification"],"uagb_featured_image_src":{"full":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1.webp",1280,720,false],"thumbnail":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1-150x150.webp",150,150,true],"medium":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1-300x169.webp",300,169,true],"medium_large":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1-768x432.webp",768,432,true],"large":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1-1024x576.webp",1024,576,true],"1536x1536":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1.webp",1280,720,false],"2048x2048":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1.webp",1280,720,false],"profile_24":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1.webp",24,14,false],"profile_48":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1.webp",48,27,false],"profile_96":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1.webp",96,54,false],"profile_150":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1.webp",150,84,false],"profile_300":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1.webp",300,169,false],"tptn_thumbnail":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1-250x250.webp",250,250,true],"web-stories-poster-portrait":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1-640x720.webp",640,720,true],"web-stories-publisher-logo":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1-96x96.webp",96,96,true],"web-stories-thumbnail":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2023\/06\/Certified-Blockchain-Expert-Free-Questions-FI-1-150x84.webp",150,84,true]},"uagb_author_info":{"display_name":"Senthil","author_link":"https:\/\/www.whizlabs.com\/blog\/author\/senthilwhizlabs-com\/"},"uagb_comment_info":86,"uagb_excerpt":"Blockchain, originally introduced as the underlying technology behind cryptocurrencies like Bitcoin, has transcended its initial boundaries and has found applications in various sectors such as finance, supply chain management, healthcare, real estate, and more. Its decentralized, immutable, and transparent nature has garnered attention and recognition from both established enterprises and startups alike. However, the implementation&hellip;","_links":{"self":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts\/89434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/users\/363"}],"replies":[{"embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/comments?post=89434"}],"version-history":[{"count":17,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts\/89434\/revisions"}],"predecessor-version":[{"id":89610,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts\/89434\/revisions\/89610"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/media\/89565"}],"wp:attachment":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/media?parent=89434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/categories?post=89434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/tags?post=89434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}