{"id":1497,"date":"2021-12-04T14:15:34","date_gmt":"2021-12-04T14:15:34","guid":{"rendered":"https:\/\/mobilecoderz.com\/?p=1497"},"modified":"2022-11-18T13:16:56","modified_gmt":"2022-11-18T13:16:56","slug":"blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019","status":"publish","type":"post","link":"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/","title":{"rendered":"What is Blockchain? Explained &#8211; Everything You Need To Know About Blockchain"},"content":{"rendered":"<p><span style=\"font-family: arial, helvetica, sans-serif;\">&#8220;<em>The blockchain is an incorruptible digital ledger of economic transactions that can be programmed to record not just financial transactions but virtually everything of value.&#8221; \u2013 Don &amp; Alex Tapscott, authors Blockchain Revolution (2016).<\/em><\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey 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: #999;color:#999\" 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: #999;color:#999\" 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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#What_is_Blockchain\" >What is Blockchain?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#Its_Architecture\" >Its Architecture<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#Core_Components\" >Core Components<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#Essentials_of_Blockchain\" >Essentials of Blockchain<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#Its_Versions\" >Its Versions<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#1_Currency\" >1: Currency<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#2_Smart_Contracts\" >2: Smart Contracts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#3_DApps_or_Decentralized_apps\" >3: DApps or Decentralized apps<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#Need_for_Blockchain_Technology\" >Need for Blockchain Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#Wrapping_it_up\" >Wrapping it up!<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Blockchain\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\">What is Blockchain?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Blockchain is a new and intuitive way to implement decentralization. In simple words, the concept of <span style=\"color: #003366;\"><a style=\"color: #003366;\" href=\"https:\/\/mobilecoderz.com\/blockchain-app-development\/\"><strong>blockchain technology<\/strong><\/a><\/span> is based on a time-stamped series of immutable records of data that are managed and authenticated by a cluster of computers, not by a single centralized entity. For this, cryptographic principles are used to secure and bound blocks with each other.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Blockchain brings a decentralized way to maintain the ledger which is practically impossible to falsify. Moreover, it is a system of keeping records without any indulgence of a central authority. The prominent feature of this technology is that once data is inserted in blockchain, it is almost impossible to change it.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Blockchain is a shared ledger with many pages of records. Each page begins with a sort of summary on a page before it. So, if you change the record of the previous page, you also have to change summary on the current page. Since this technology does not require third-party intermediaries like bank or government to transact money, property, contracts, etc., blockchain development is on everyone\u2019s mind.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Its_Architecture\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\"><strong>Its Architecture<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">A block can be defined as a chain of blocks that contains some information and type of data that only depends on the type of blockchain. The first block in a blockchain is called \u201cGenesis Block\u201d. Each block has a unique hash that can read fingerprints to identify each block and all of its content. So, any change in the block itself will cause the hash to change. In this way, block hash is very important to detect the changes in intersections. If there is any change in block hash, this can\u2019t be considered as the same block. Each block comprises:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\">Data<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\">Hash<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\">Hash of the previous block<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Considering the following example, the first block is Genesis block without any predecessor and it doesn\u2019t have any previous hash code. On one side, Block2 contains the hash of block 1 while block 3 contains the hash of block 2.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Assuming if someone wants to tamper the information stored in block 2, a hash of block 2 will also be changed and block 3 won\u2019t have the new hash code of block 2. As per this proof of work, tampered block 2 will be considered as an invalid block.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Core_Components\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\"><strong>Core Components<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">We need to understand the core components of this technology to progress the implementation of a block.<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Node:<\/strong> Nodes are users or computers involved in the blockchain.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Block:<\/strong> Blocks are data structures meant to bundle the sets of transactions that are further replicated to all nodes in the network.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Transaction:<\/strong> Transactions are the smallest building blocks of a blockchain system. They contain the recipients\u2019 address, sender address, and a value. You can easily relate the transactions to a statement of your bank account. The technology allows owners to transfer the value by digitally signing the hash produced by adding the previous transaction and the public key of the receiver. Once initiated, the transaction is publicly broadcasted to the network and all the nodes in blockchain will be marked as an independent copy of this transaction. The current known \u201cstate\u201d is calculated by processing each transaction in order as it appears in the blockchain.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Chain<\/strong>: It is a sequence of blocks defined or arranged by a specific algorithm.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Mining:<\/strong> Mining is the process to create a valid block that is verified and accepted by the rest of the networks.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Consensus<\/strong>: The way all these copies of a single ledger is synchronized is possible due to a consensus algorithm. The consensus mechanism ensures that whatever local copies that an individual party has, they will remain consistent with each other and is the most updated one.<\/span><\/li>\n<\/ul>\n<div style=\"background-color: #f6f6f6; padding: 15px; margin: 15px 0; border-left: 4px solid #1e3957; font-size: 18px;\">\n<div style=\"color: #303030; font-weight: 600; position: absolute;\"><span style=\"font-family: arial, helvetica, sans-serif;\">Also Read:<\/span><\/div>\n<div style=\"padding-left: 100px;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><a class=\"colorlink\" style=\"color: #057dce; text-decoration: underline; font-style: italic; font-weight: 600;\" href=\"https:\/\/mobilecoderz.com\/blog\/ethereum-2-0-an-overview-to-uncover-its-future\/\">Ethereum 2.0: An Overview To Uncover Its Future<\/a><\/span><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Essentials_of_Blockchain\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\"><strong>Essentials of Blockchain<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Distributed P2P network: <\/strong>Blockchain works on a peer to peer network with an IP protocol. There is no centralized node and all the nodes will equally use all the services alongside collaborating with a consensus algorithm. P2P networks are generally more secure because they do not have a single point of attack or failure as in case of a centralized network. P2P network is a foundation of the decentralized nature of it.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Consensus Algorithm:<\/strong> Consensus algorithm synchronizes the copies of blocks scattered across the nodes. Irrespective of the type of local copies, its mechanism ensures that they remain updated and in sync with each other. All the nodes are identical and possess the same amount of information. Some of the consensus algorithms are discussed below:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Proof of work<\/strong>: By using the facts that the hashing algorithm is irreversible, this algorithm has been built on. It involves solving a computational complex puzzle to create any block in the blockchain. Here is a minor need to guess a string that produces 256-bit hash created by the SHA256 algorithm.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Proof of Stake:<\/strong> In this algorithm, all the nodes hold major roles in inserting any block in the blockchain. Nodes are known as validators which earn transaction fees upon validating a block. Nodes are randomly selected for block validation. Their selection also depends upon their stake on any particular node.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Simplified Byzantine Fault Tolerance (SBFT<\/strong>): Here is a basic idea that involves a single validator who bundles the proposed transactions and forms a new block. The validator is referred to as the party, given the permission-based nature of the ledger. The consensus is achieved as a result of a minimum number of other nodes in the network involved to rectify the new block.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Its_Versions\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\"><strong>Its Versions<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"1_Currency\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\"><strong>1: Currency<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Blockchain technology was introduced to us by \u201cSatoshi Nakamoto\u201d who is a genius and founder of Bitcoin i.e a peer-to-peer cash system. Bitcoin is a common example of a decentralized, peer-to-peer digital cash system built on it. Moreover, it is the first generation of this technology that only involves such forms of digital cash.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"2_Smart_Contracts\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\"><strong>2: Smart Contracts<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">The blockchain 2 was introduced by a young \u201cVitalikButerin\u201d, who founded \u201cEthereum Network\u201d and is considered as a second revolution in the blockchain world. Blockchain Smart Contracts which are defined as the autonomous codes within the same technology are capable of executing tasks itself based on different conditions.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"3_DApps_or_Decentralized_apps\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\"><b style=\"color: #003366; font-family: arial, helvetica, sans-serif;\">3: DApps or <\/b><span style=\"color: #003366; font-family: arial, helvetica, sans-serif;\"><b>Decentralized<\/b><\/span><b style=\"color: #003366; font-family: arial, helvetica, sans-serif;\"> apps<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">The decentralized Application system can be considered as the third generation of blockchain running on decentralized peer-to-peer networks. It works on the decentralized network as well as decentralized storage. Similar to traditional applications, Dapps can also have a frontend written in any language with the ability to make calls to its backend.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Need_for_Blockchain_Technology\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\"><strong>Need for Blockchain Technology<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Reliability: <\/strong>Blockchain ensures the identity of all the users involved in the transactions. Every new block requires the approval of all the nodes within the block chain.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Unmodifiable Transactions: <\/strong>Blockchain stores all the blocks and transactions as per the consensus algorithm that ensures the immutability of every new block stored in it.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Security:<\/strong> Due to the distributive nature of block chain technology, each block contains a copy of the transaction. So, if you want to change a transaction, you will have to change this entry in thousands of nodes included in the blockchain and it is impossible.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Transparency: <\/strong>Blockchain becomes transparent by broadcasting all the transactions to all the nodes in a network. Furthermore, all the transactions are publicly viewable to everyone in the public block chain.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Fraud Protection:<\/strong> The concept of sharing information to all the nodes ensures no loss of data and any kind of modification in transactions.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Time-Saving: <\/strong>Block chain can play an important role in the quick settlement of payments and other financial transactions as it doesn\u2019t require a lengthy and time-taking process of verification and approval of funds.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Collaboration:<\/strong> The best level of collaboration is included in blockchain because all the parties validate the previous transactions and updates of a new transaction in it.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Decentralised:<\/strong> With block chain, we don\u2019t need to trust any centralised authority as it is being operated by thousands of computers more efficiently. It serves a lesser probability of a pin-point failure and censorship issues.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Wrapping_it_up\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; color: #003366;\"><strong>Wrapping it up!<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Blockchain technology is not just a technique but a concept that includes deep mathematical foundations and calculations. A tremendous amount of development took place in the last decade since the date modern block chain has been evolved. Soon, we expect to see some innovation in this technology with improved performance and scalability and it will be quite challenging specifically for those involved in <span style=\"color: #003366;\"><a style=\"color: #003366;\" href=\"https:\/\/mobilecoderz.com\/blockchain-app-development\/\"><strong>blockchain development<\/strong><\/a><\/span>. Next Step of technology depends upon its strengths, its limitations, &amp; key factors to determine that how we need to create different architectures based on the business needs. However, the world believes that block chain and crypto both are the future of technologies and their mass adoption is predetermined.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;The blockchain is an incorruptible digital ledger of economic transactions that can be programmed to record not just financial transactions but virtually everything of value.&#8221; \u2013 Don &amp; Alex Tapscott, authors Blockchain Revolution (2016). What is Blockchain? Blockchain is a new and intuitive way to implement decentralization. In simple words, the concept of blockchain technology [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":8725,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,18],"tags":[304,305,301,302,300,299,303,33],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Blockchain? - Everything You Need To Know About It | Full Guide<\/title>\n<meta name=\"description\" content=\"If you are interested to know what is Blockchain and its basics then read the most dominant blog about the Blockchain revolution.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Blockchain? - Everything You Need To Know About It | Full Guide\" \/>\n<meta property=\"og:description\" content=\"If you are interested to know what is Blockchain and its basics then read the most dominant blog about the Blockchain revolution.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/\" \/>\n<meta property=\"og:site_name\" content=\"MobileCoderz\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/MobileCoderz\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-04T14:15:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-18T13:16:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mobilecoderz.com\/blog\/wp-content\/uploads\/2021\/12\/What-is-Blockchain.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Abhishek Shukla\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@mobilecoderz\" \/>\n<meta name=\"twitter:site\" content=\"@mobilecoderz\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Abhishek Shukla\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mobilecoderz.com\/blog\/blockchain-explained-everything-you-need-to-know-about-blockchain-in-2019\/\"},\"author\":{\"name\":\"Abhishek Shukla\",\"@id\":\"https:\/\/mobilecoderz.com\/blog\/#\/schema\/person\/a9f6a2d671fc3df3019578029ae0c0f5\"},\"headline\":\"What is Blockchain? 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