{"id":23125,"date":"2023-04-26T08:33:57","date_gmt":"2023-04-26T08:33:57","guid":{"rendered":"https:\/\/zebpay.com\/in\/?p=23125"},"modified":"2023-04-26T08:33:58","modified_gmt":"2023-04-26T08:33:58","slug":"what-are-public-and-private-keys-in-crypto","status":"publish","type":"post","link":"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto","title":{"rendered":"Unlocking the Secrets of Cryptography: Understanding Private and Public Keys"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >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:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#The_Basics_of_Cryptography\" title=\"The Basics of Cryptography\">The Basics of Cryptography<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#What_is_A_Public_Key\" title=\"What is A Public Key?\">What is A Public Key?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#What_is_A_Private_Key\" title=\"What is A Private Key?\">What is A Private Key?<\/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:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#Difference_Between_Public_Key_And_Private_Key\" title=\"Difference Between Public Key And Private Key\">Difference Between Public Key And Private Key<\/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:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#Security\" title=\"Security\">Security<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#Usage\" title=\"Usage\">Usage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#Key_Management\" title=\"Key Management\">Key Management<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#Best_Practices_for_Using_Private_and_Public_Keys\" title=\"Best Practices for Using Private and Public Keys\">Best Practices for Using Private and Public Keys<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#FAQs_on_Private_Key_Vs_Public_Key\" title=\"FAQs on Private Key Vs Public Key\">FAQs on Private Key Vs Public Key<\/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:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#What_is_a_Private_Key_and_Public_Key\" title=\"What is a Private Key and Public Key\">What is a Private Key and Public Key<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#What_is_Public_Key_Vs_Private_Key_Cryptography\" title=\"What is Public Key Vs Private Key Cryptography\">What is Public Key Vs Private Key Cryptography<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#What_is_the_Difference_Between_Encryption_and_Decryption\" title=\"What is the Difference Between Encryption and Decryption?\">What is the Difference Between Encryption and Decryption?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/zebpay.com\/in\/blog\/what-are-public-and-private-keys-in-crypto\/#Public_Key_And_Private_Key_Security_Measures\" title=\"Public Key And Private Key Security Measures\">Public Key And Private Key Security Measures<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>Have you ever wondered how secure communication is possible over the internet? How can you be sure that your messages and data are not intercepted and read by someone else? The answer lies in the fascinating world of cryptography, where complex algorithms and mathematical formulas encode and decode information. One of the most popular methods for protecting your data uses public and private keys. But what are they and why are your keys so important?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Basics_of_Cryptography\"><\/span>The Basics of Cryptography<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cryptography is the process of using mathematical algorithms to secure and protect your sensitive data. It involves encoding information so that it can only be read by someone with the right password to decrypt it. Cryptography is used extensively in online transactions, secure messaging, and other applications that need to keep information secure.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_A_Public_Key\"><\/span><strong>What is A Public Key?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>In asymmetric encryption, a public key is a large numerical value that is used to encrypt data. As seen from the name, a public key is accessible by anyone online.&nbsp;<\/p>\n\n\n\n<p>When someone wants to send you encrypted data, they use your public key to encrypt it before sending it to you. This makes it possible to send sensitive information securely without worrying about it being intercepted by unauthorized parties.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_A_Private_Key\"><\/span><strong>What is A Private Key?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A private key is the counterpart of the public key. Just as a public key encrypts data, a private key can decrypt it. But since a private key acts as a password to sensitive data, it cannot be shared with anyone.&nbsp;<\/p>\n\n\n\n<p>A public key and a <a href=\"https:\/\/zebpay.com\/in\/blog\/what-is-a-private-key\" target=\"_blank\" rel=\"noreferrer noopener\">private key<\/a> are intrinsically linked together. Of these, the private key is created first. Next, the public key is generated from it using complex algorithms. These two keys are created as a pair and are specifically designed to work together. The mathematical relationship between the public and private keys ensures that only the owner of the private key can decrypt data meant for them.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Difference_Between_Public_Key_And_Private_Key\"><\/span>Difference Between Public Key And Private Key<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Key Type<\/strong><\/td><td><strong>Private Key<\/strong><\/td><td><strong>Public Key<\/strong><\/td><\/tr><tr><td><strong>Definition<\/strong><\/td><td>A key that is kept secret and known only to the owner<\/td><td>A key that is freely shared with others<\/td><\/tr><tr><td><strong>Usage<\/strong><\/td><td>Used to decrypt data that has been encrypted with a public key<\/td><td>Used to encrypt data that can only be decrypted by a private key<\/td><\/tr><tr><td><strong>Encryption\/Decryption<\/strong><\/td><td>Uses symmetric key cryptography<\/td><td>Uses asymmetric (public key) cryptography<\/td><\/tr><tr><td><strong>Generation<\/strong><\/td><td>Created using a long numerical sequence<\/td><td>Created from the private key using a mathematical algorithm<\/td><\/tr><tr><td><strong>Security<\/strong><\/td><td>Must be kept secret and protected to ensure secure communication<\/td><td>Can be freely shared without compromising the security of the communication<\/td><\/tr><tr><td><strong>Length<\/strong><\/td><td>Usually longer than public keys<\/td><td>Usually shorter than private keys<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Security\"><\/span><strong>Security<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Private keys must be kept secret at all times to ensure communication is not compromised. If a private key falls into the wrong hands, an attacker can use it to decrypt any of your sensitive data. Therefore, you must use proper security practices to guarantee the safety of your data.&nbsp;<\/p>\n\n\n\n<p>On the other hand, public keys can be freely shared without compromising communication security. The security of a public key lies in the mathematical algorithm used to generate it. Safe algorithms make it virtually impossible to derive the private key from the public key.&nbsp;<\/p>\n\n\n\n<p>Read more: <a href=\"https:\/\/zebpay.com\/in\/blog\/what-is-a-phishing-attack-in-crypto\" target=\"_blank\" rel=\"noreferrer noopener\">What is A Phishing Attack In Crypto<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Usage\"><\/span><strong>Usage<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Your public key can be thought of as a username. It can be seen and accessed by anyone on the network. If someone wants to send you data securely, they can use this public key to encrypt it, protecting it from potential attacks.&nbsp;<\/p>\n\n\n\n<p>The private key is like your password. Any data encrypted using your public key can be decrypted and read using your private key. Just as you should always protect your passwords, you must never share your private key with anyone.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Management\"><\/span><strong>Key Management<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>You can manage your public and private keys in many ways. Typically, the most widely-used method is to store them in a <a href=\"https:\/\/zebpay.com\/in\/blog\/what-is-a-crypto-wallet\" target=\"_blank\" rel=\"noreferrer noopener\">crypto wallet<\/a>. A crypto wallet safely stores your public-private key pairs online or on a physical device. They can still be used as and when you need to decrypt messages or make transactions.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Best_Practices_for_Using_Private_and_Public_Keys\"><\/span>Best Practices for Using Private and Public Keys<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"384\" src=\"https:\/\/zebpay.com\/in\/wp-content\/uploads\/2023\/04\/Best-Practices-for-Using-Private-and-Public-Keys-1024x384.jpg\" alt=\"Best Practices for Using Private and Public Keys\" class=\"wp-image-23126\" srcset=\"https:\/\/zebpay.com\/in\/wp-content\/uploads\/2023\/04\/Best-Practices-for-Using-Private-and-Public-Keys-1024x384.jpg 1024w, https:\/\/zebpay.com\/in\/wp-content\/uploads\/2023\/04\/Best-Practices-for-Using-Private-and-Public-Keys-300x113.jpg 300w, https:\/\/zebpay.com\/in\/wp-content\/uploads\/2023\/04\/Best-Practices-for-Using-Private-and-Public-Keys-768x288.jpg 768w, https:\/\/zebpay.com\/in\/wp-content\/uploads\/2023\/04\/Best-Practices-for-Using-Private-and-Public-Keys-150x56.jpg 150w, https:\/\/zebpay.com\/in\/wp-content\/uploads\/2023\/04\/Best-Practices-for-Using-Private-and-Public-Keys.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p>Here are some ways to manage your keys:<\/p>\n\n\n\n<ul>\n<li><strong>Keep your private key secure: <\/strong>Private keys should be kept secure and protected at all times. You can store your private keys on a hardware device or an application with appropriate encryption.&nbsp;<\/li>\n\n\n\n<li><strong>Back up your keys: <\/strong>It is vital to back up your private keys in case they are lost or become corrupted. You can store your backup keys in a secure location, such as a safe.<\/li>\n\n\n\n<li><strong>Use a key management tool:<\/strong> A key management tool can help you use your keys more efficiently. These tools can help you generate, store, and manage your keys securely.<\/li>\n\n\n\n<li><strong>Rotate your keys:<\/strong> Rotating your keys regularly can help to improve the security of your communications and data. You can generate a new key pair and retire the old key pair periodically.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The public key and private key algorithms are fascinating security tools. They allow us to protect and share sensitive data across the internet. This is done using complex mathematical tools that encrypt and decrypt information, tailored for each individual. You must use secure practices to protect your information, including backing up your keys and never sharing them with anyone.&nbsp;<\/p>\n\n\n\n<p>You can read more about <a href=\"https:\/\/zebpay.com\/in\/blog\/what-is-web-3-0\" target=\"_blank\" rel=\"noreferrer noopener\">Web 3.0<\/a>, Crypto and blockchain on <a href=\"https:\/\/zebpay.com\/in\/blog\" target=\"_blank\" rel=\"noreferrer noopener\">ZebPay blogs<\/a>. Join the millions already using ZebPay India.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color wp-element-button\" href=\"https:\/\/connect.zebpay.com\/account\/login?returnUrl=%2Fconnect%2Fauthorize%2Fcallback%3Fclient_id%3Deee7baaa-9d6c-43f1-9eb6-8174f62cd244%26redirect_uri%3Dhttps%253A%252F%252Fzebpay.com%252Fapp%26response_type%3Did_token%2520token%26scope%3Dopenid%2520profile%2520wallet%253Atransactions%253Aread%2520trade%253Aread%2520trade%253Acreate%2520wallet%253Aaddress%253Acreate%2520wallet%253Aaddress%253Aread%2520wallet%253Atransactions%253Asend%26state%3D2d25524d94064901a77867651b32424d%26nonce%3De16bfadaa1ad4c8fb9350e33cb8fea38\" target=\"_blank\" rel=\"noreferrer noopener\">trade now<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs_on_Private_Key_Vs_Public_Key\"><\/span>FAQs on Private Key Vs Public Key<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1682497088715\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"What_is_a_Private_Key_and_Public_Key\"><\/span><strong>What is a Private Key and Public Key<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Public and private keys are encryption tools that are used to transmit data safely. A public key is like a username that can be used by anyone to encrypt a message to you. The private key, on the other hand, is a password used to decrypt the message.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1682497107217\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"What_is_Public_Key_Vs_Private_Key_Cryptography\"><\/span><strong>What is Public Key Vs Private Key Cryptography<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Also known as symmetric key cryptography, private key cryptography only involves one key. The sender and receiver must have the same key, which is used to encrypt and decrypt the data.\u00a0<br \/>Public key cryptography is also known as asymmetric key encryption. It is a system with two keys, public and private. The public key is used to encrypt data while the private key is used to decrypt it. Public key vs private key encryption is applied based on the use case.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1682497130970\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"What_is_the_Difference_Between_Encryption_and_Decryption\"><\/span><strong>What is the Difference Between Encryption and Decryption?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Encryption is the process of converting plain data into \u201cciphertext\u201d data using a mathematical algorithm and a key. Decryption converts ciphertext data back into plaintext data using a decryption algorithm and the required key.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1682497148315\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"Public_Key_And_Private_Key_Security_Measures\"><\/span><strong>Public Key And Private Key Security Measures<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>To secure your private key, there are some essential steps you can follow:<br \/>1. Never share your private key with anyone, whether online or offline.<br \/>2. Store your key securely, either physically in a safe or digitally in a wallet.\u00a0<br \/>3. Cycle your keys and replace them regularly.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have you ever wondered how secure communication is possible over the internet? How can you be sure that your messages and data are not intercepted and read by someone else? The answer lies in the fascinating world of cryptography, where complex algorithms and mathematical formulas encode and decode information. One of the most popular methods [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":23127,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_ayudawp_aiss_exclude":false,"footnotes":""},"categories":[14],"tags":[16],"acf":[],"_links":{"self":[{"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/posts\/23125"}],"collection":[{"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/comments?post=23125"}],"version-history":[{"count":0,"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/posts\/23125\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/media\/23127"}],"wp:attachment":[{"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/media?parent=23125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/categories?post=23125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zebpay.com\/in\/wp-json\/wp\/v2\/tags?post=23125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}