{"id":3292,"date":"2026-03-27T08:39:07","date_gmt":"2026-03-27T08:39:07","guid":{"rendered":"https:\/\/pi42.com\/blog\/?p=3292"},"modified":"2026-03-27T08:39:07","modified_gmt":"2026-03-27T08:39:07","slug":"what-is-blockchain-technology","status":"publish","type":"post","link":"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/","title":{"rendered":"Blockchain Technology Explained: What Is Blockchain and How Does It Work in Crypto?"},"content":{"rendered":"\n<p>Digital finance needs secure systems to record transactions without manipulation. Blockchain technology provides such a system through decentralised data storage and cryptographic security.&nbsp;<\/p>\n\n\n\n<p>Financial institutions, developers, and investors rely on this trusted architecture. A clear understanding of what blockchain is helps you understand cryptocurrency infrastructure, data security, and distributed networks that support digital assets.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-69de9455a2d76\" class=\"ez-toc-cssicon-toggle-label\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-cssicon\"><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><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69de9455a2d76\"  \/><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:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#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:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#what-is-blockchain-technology\" >What Is Blockchain Technology?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#several-technical-elements-support-this-structure\" >Several technical elements support this structure:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#how-blockchain-technology-works\" >How Blockchain Technology Works?<\/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:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#1-transaction-initiation\" >1. Transaction Initiation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#2-network-broadcast\" >2. Network Broadcast<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#3-transaction-validation\" >3. Transaction Validation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#4-block-formation\" >4. Block Formation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#5-chain-integration\" >5. Chain Integration<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#how-blockchain-works-in-cryptocurrency-transactions\" >How Blockchain Works in Cryptocurrency Transactions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#digital-wallets\" >Digital Wallets<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#public-wallet-addresses\" >Public Wallet Addresses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#network-verification\" >Network Verification<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#permanent-transaction-records\" >Permanent Transaction Records<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#key-features-of-blockchain-technology\" >Key Features of Blockchain Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#blockchain-vs-traditional-databases\" >Blockchain Vs Traditional Databases<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#real-world-uses-of-blockchain-beyond-cryptocurrency\" >Real-World Uses Of Blockchain Beyond Cryptocurrency<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#why-blockchain-technology-matters-today\" >Why Blockchain Technology Matters Today?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#faqs-%e2%80%93-blockchain-technology\" >FAQ\u2019s &#8211; Blockchain Technology<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#1-what-is-blockchain-technology-used-for\" >1. What is blockchain technology used for?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#2-is-blockchain-the-same-as-bitcoin\" >2. Is blockchain the same as Bitcoin?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#3-how-is-blockchain-secure\" >3. How is blockchain secure?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/pi42.com\/blog\/what-is-blockchain-technology\/#4-what-is-blockchain-in-crypto\" >4. What is blockchain in crypto?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"what-is-blockchain\"><\/span><strong>What Is Blockchain?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The question, \u201cWhat is blockchain?\u201d often arises when you think about digital transactions and asset bearing. Blockchain is, essentially, a digital ledger that records transactions in sequential blocks.<\/p>\n\n\n\n<p>Each of them contains transaction data, timestamps, and a cryptographic hash. (a mathematical algorithm). The block contains the cryptographic hash of the previous block. This connection forms a chronological chain. A distributed network maintains this database across many computers. Referred to as \u2018nodes\u2019, they verify transactions and store the blockchain&#8217;s identical copies.<\/p>\n\n\n\n<p>This decentralised structure prevents a single authority from controlling the data, reducing the chances of fraud and ensuring transparency. Any attempt to change a previous block breaks the chain. That&#8217;s because the hashes no longer match. Therefore, the nodes reject the invalid data.<\/p>\n\n\n\n<p>For this reason, many industries use blockchain systems. They create a secure and transparent ecosystem for digital transactions without third-party involvement. Financial platforms particularly benefit because transaction histories remain permanent and verifiable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"what-is-blockchain-technology\"><\/span><strong>What Is Blockchain Technology?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The term refers to the entire framework that allows decentralised data management. Blockchain technology combines cryptography, network protocols, and distributed databases.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"several-technical-elements-support-this-structure\"><\/span><strong>Several technical elements support this structure:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Blocks that store transaction information<br><\/li>\n\n\n\n<li>Cryptographic hashes that secure data integrity<br><\/li>\n\n\n\n<li>Distributed nodes that maintain the ledger<br><\/li>\n\n\n\n<li>Consensus mechanisms (validation protocols) that validate transactions<br><\/li>\n\n\n\n<li>Smart contracts (self-executing code) that automate digital agreements on supported networks<\/li>\n<\/ul>\n\n\n\n<p>These components operate together to support secure and transparent record-keeping. Organisations favour blockchain technology because it reduces reliance on intermediaries.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"how-blockchain-technology-works\"><\/span><strong>How Blockchain Technology Works?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The following steps explain how blockchain systems record and confirm digital transactions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1-transaction-initiation\"><\/span><strong>1. Transaction Initiation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A blockchain transaction begins when a user requests an action on the network. This action could be transferring cryptocurrency, executing a smart contract, or recording digital data.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2-network-broadcast\"><\/span><strong>2. Network Broadcast<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The blockchain network receives the transaction request and distributes it to participating computers called nodes. Each node receives the same transaction information for verification.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3-transaction-validation\"><\/span><strong>3. Transaction Validation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nodes independently evaluate transactions using protocol rules. Consensus mechanisms then determine the creation of new blocks. Common models include Proof of Work and Proof of Stake. These systems confirm that the transaction is legitimate.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Tip: Consensus Mechanisms<\/strong><strong>Proof of Work:<\/strong> Miners solve cryptographic puzzles to earn the right to propose a new block.<strong>Proof of Stake:<\/strong> Validators confirm transactions using staked cryptocurrency.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-block-formation\"><\/span><strong>4. Block Formation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Verified transactions combine into a new block. Each block contains transaction data, a timestamp, and a cryptographic hash that secures the information.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5-chain-integration\"><\/span><strong>5. Chain Integration<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The new block connects to the previous block through its cryptographic hash. This connection forms a continuous chain of verified records. Altering a single block changes its hash, which immediately invalidates all subsequent blocks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"how-blockchain-works-in-cryptocurrency-transactions\"><\/span><strong>How Blockchain Works in Cryptocurrency Transactions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Blockchain and cryptocurrency share a foundational relationship. So, what is blockchain in crypto? Cryptocurrency networks depend on blockchain technology to record, verify, and secure digital transfers. This infrastructure supports peer-to-peer payments and broader digital asset markets, including trading activities such as <a href=\"https:\/\/pi42.com\/blog\/what-are-crypto-derivatives\/\"><strong>crypto derivatives<\/strong><\/a> on cryptocurrency exchanges.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"digital-wallets\"><\/span><strong>Digital Wallets<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Cryptocurrency users initiate transfers through digital wallets. These wallets store private keys that authorise transactions and confirm ownership of digital assets.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"public-wallet-addresses\"><\/span><strong>Public Wallet Addresses<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Each transaction includes a sender address and a recipient address. These public identifiers allow funds to move across the network while preserving user anonymity.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"network-verification\"><\/span><strong>Network Verification<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Blockchain nodes examine transactions before they enter the ledger. Validators confirm that the sender holds sufficient balance and that the transaction follows network rules.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"permanent-transaction-records\"><\/span><strong>Permanent Transaction Records<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Once verified, the blockchain records the transaction permanently. Public ledgers allow anyone to inspect transaction histories while cryptographic mechanisms protect data integrity.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"key-features-of-blockchain-technology\"><\/span><strong>Key Features of Blockchain Technology<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Digital finance systems require transparency, security, and reliability. These are the key benefits of blockchain technology:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Decentralisation: <\/strong>Multiple nodes share responsibility for maintaining records.<br><\/li>\n\n\n\n<li><strong>Transparency: <\/strong>Public networks allow users to verify transaction histories.<br><\/li>\n\n\n\n<li><strong>Immutability: <\/strong>Confirmed blocks remain permanently recorded within the ledger.<br><\/li>\n\n\n\n<li><strong>Cryptographic Security: <\/strong>Encryption protects transaction information and network integrity.<br><\/li>\n\n\n\n<li><strong>Traceability: <\/strong>Historical transaction data remains accessible for verification.<\/li>\n<\/ul>\n\n\n\n<p>Blockchain infrastructure also supports advanced financial markets, including platforms that offer derivatives and <a href=\"https:\/\/pi42.com\/blog\/what-is-contract-trading\/\"><strong>contract trading<\/strong><\/a> based on digital assets.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"blockchain-vs-traditional-databases\"><\/span><strong>Blockchain Vs Traditional Databases<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Many organisations compare blockchain networks with traditional databases before adopting decentralised systems.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Feature<\/strong><\/td><td><strong>Blockchain<\/strong><\/td><td><strong>Traditional Database Like Banks<\/strong><\/td><\/tr><tr><td>Control Structure<\/td><td>Decentralised network<\/td><td>Central authority<\/td><\/tr><tr><td>Data Editing<\/td><td>Changes become extremely difficult after confirmation<\/td><td>Administrators can modify records<\/td><\/tr><tr><td>Transparency<\/td><td>Public networks allow visibility<\/td><td>Data access remains restricted<\/td><\/tr><tr><td>Security Model<\/td><td>Cryptographic validation protects data<\/td><td>Security depends on administrative controls<\/td><\/tr><tr><td>Trust System<\/td><td>Distributed trust across participants<\/td><td>Centralised institutional trust<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"real-world-uses-of-blockchain-beyond-cryptocurrency\"><\/span><strong>Real-World Uses Of Blockchain Beyond Cryptocurrency<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Other than cryptocurrency, multiple other industries adopt blockchain infrastructure for secure data management.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Supply chain companies<\/strong> use blockchain networks to track product movement across global systems. Transparent records improve accountability.<\/li>\n\n\n\n<li><strong>Healthcare institutions<\/strong> utilise blockchain frameworks to protect patient data and maintain accurate medical histories.<\/li>\n\n\n\n<li><strong>Financial services<\/strong> experiment with blockchain-based smart contracts that automatically execute agreements when predefined conditions occur.<\/li>\n\n\n\n<li><strong>Governments and technology firms<\/strong> also develop blockchain-based digital identity systems. This helps improve authentication and reduce fraud.<\/li>\n<\/ul>\n\n\n\n<p>These practical applications demonstrate how blockchain technology extends beyond cryptocurrency ecosystems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"why-blockchain-technology-matters-today\"><\/span><strong>Why Blockchain Technology Matters Today?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Considering the digitalisation of finance, there is an increased demand for transparent and secure data systems. Blockchain technology provides a decentralised framework that protects information and strengthens trust.<\/p>\n\n\n\n<p>Pi42 is built upon this secure infrastructure to provide an Indian trader-first approach. The compliance-friendly (FIU Registered) platform allows users to trade in INR securely. We offer high-leverage futures, API trading, and INR-margined trading that does not trigger 1% TDS or 30% VDA tax. This ensures a transparent fee structure for real-time trading and FnO Trading in Crypto.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"faqs-%e2%80%93-blockchain-technology\"><\/span><strong>FAQ\u2019s &#8211; Blockchain Technology<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1-what-is-blockchain-technology-used-for\"><\/span><strong>1. What is blockchain technology used for?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Blockchain technology is used to securely record and verify digital transactions without relying on a central authority. It is commonly used in cryptocurrencies, supply chain tracking, healthcare data management, smart contracts, and digital identity systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2-is-blockchain-the-same-as-bitcoin\"><\/span><strong>2. Is blockchain the same as Bitcoin?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>No, blockchain and Bitcoin are not the same. Blockchain is the underlying technology that records transactions, while Bitcoin is a cryptocurrency that uses blockchain to operate. Many other cryptocurrencies and applications also use blockchain technology.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3-how-is-blockchain-secure\"><\/span><strong>3. How is blockchain secure?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Blockchain is secure because it uses cryptographic hashing, decentralised networks, and consensus mechanisms like Proof of Work or Proof of Stake. These features ensure that transactions are verified, tamper-resistant, and permanently recorded on the network.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-what-is-blockchain-in-crypto\"><\/span><strong>4. What is blockchain in crypto?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>In cryptocurrency, blockchain is the technology that records, verifies, and stores all transactions on a decentralised ledger. It enables secure peer-to-peer transfers, maintains transparency, and ensures that transaction data cannot be altered once confirmed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Digital finance needs secure systems to record transactions without manipulation. Blockchain technology provides such a system through decentralised data storage and cryptographic security.&nbsp; Financial institutions, developers, and investors rely on this trusted architecture. A clear understanding of what blockchain is helps you understand cryptocurrency infrastructure, data security, and distributed networks that support digital assets. What [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":3286,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"zakra_page_container_layout":"customizer","zakra_page_sidebar_layout":"customizer","zakra_remove_content_margin":false,"zakra_sidebar":"customizer","zakra_transparent_header":"customizer","zakra_logo":0,"zakra_main_header_style":"default","zakra_menu_item_color":"","zakra_menu_item_hover_color":"","zakra_menu_item_active_color":"","zakra_menu_active_style":"","zakra_page_header":true,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[418],"tags":[419,12],"class_list":["post-3292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blockchain","tag-blockchain","tag-indian-crypto-exchange"],"jetpack_featured_media_url":"https:\/\/pi42.com\/blog\/wp-content\/uploads\/2026\/03\/Blockchain-Technology-Explained_.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/posts\/3292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/comments?post=3292"}],"version-history":[{"count":1,"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/posts\/3292\/revisions"}],"predecessor-version":[{"id":3293,"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/posts\/3292\/revisions\/3293"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/media\/3286"}],"wp:attachment":[{"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/media?parent=3292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/categories?post=3292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pi42.com\/blog\/wp-json\/wp\/v2\/tags?post=3292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}