{"id":35740,"date":"2025-01-29T17:30:29","date_gmt":"2025-01-29T14:30:29","guid":{"rendered":"https:\/\/coinengineer.net\/blog\/?p=35740"},"modified":"2025-01-29T16:50:56","modified_gmt":"2025-01-29T13:50:56","slug":"tangem-secures-us-patent-for-private-key-transfer","status":"publish","type":"post","link":"https:\/\/coinengineer.net\/blog\/tangem-secures-us-patent-for-private-key-transfer\/","title":{"rendered":"Tangem Secures US Patent for Private Key Transfer"},"content":{"rendered":"<p><strong>Tangem<\/strong>, a crypto wallet maker focused on crypto self-custody, has received <strong>official approval from the US patent office<\/strong> for its private key backup and transfer technology. The <strong>patent, granted on January 28,<\/strong> covers a method that allows users to securely back up their private keys and transfer them between different devices.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/coinengineer.net\/blog\/tangem-secures-us-patent-for-private-key-transfer\/#Secure_Transfer_of_Private_Keys\" title=\"Secure Transfer of Private Keys\">Secure Transfer of Private Keys<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/coinengineer.net\/blog\/tangem-secures-us-patent-for-private-key-transfer\/#Why_Tangems_Private_Key_Backup_Solution_Matters\" title=\"Why Tangem&#8217;s Private Key Backup Solution Matters\">Why Tangem&#8217;s Private Key Backup Solution Matters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/coinengineer.net\/blog\/tangem-secures-us-patent-for-private-key-transfer\/#Criticisms_of_Private_Key_Backups\" title=\"Criticisms of Private Key Backups\">Criticisms of Private Key Backups<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Secure_Transfer_of_Private_Keys\"><\/span><strong>Secure Transfer of Private Keys<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Tangem&#8217;s new technology<\/strong> allows private keys to be transferred securely even over a smartphone or an untrusted intermediate device. The patent is entitled <strong>&#8220;Systems and methods for transferring confidential data through an untrusted intermediate device&#8221;<\/strong>.<\/p>\n<p>The technology allows users to make encrypted and secure backups <strong>without the need to manually store their private keys<\/strong>. Advanced cryptography techniques such as the Elliptic Curve Diffie-Hellman (ECDH) encryption protocol are used to securely exchange the private key between two trusted devices.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Tangems_Private_Key_Backup_Solution_Matters\"><\/span><strong>Why Tangem&#8217;s Private Key Backup Solution Matters<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Self-custody<\/strong> allows users to manage their crypto assets without depending on third parties. However, the loss or theft of private keys is a common risk. The technology developed by Tangem allows users to enjoy the benefits of self-storage without directly storing their keys.<\/p>\n<p>Main features of the technology:<\/p>\n<ul>\n<li><strong>Seedless (Keywordless) Backup<\/strong><\/li>\n<li><strong>End-to-End Encryption<\/strong><\/li>\n<li><strong>Secure Transmission over Untrusted Intermediate Devices<\/strong><\/li>\n<li><strong>Tamper Resistant Authentication<\/strong><\/li>\n<\/ul>\n<p>This innovation allows users to securely store private keys without the need to manually note them down or depend on physical backup devices.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Criticisms_of_Private_Key_Backups\"><\/span><strong>Criticisms of Private Key Backups<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Private key backup systems have always been a controversial topic in the crypto community. Adopting the <strong>&#8220;if you don&#8217;t own your keys, you don&#8217;t own the coins&#8221;<\/strong> mentality, many investors argue that only they should keep their private keys.<\/p>\n<p>For example, <strong>Ledger<\/strong> faced a huge backlash when it announced a cloud-based private key recovery system in 2023. Similarly, at the end of 2024, Tangem leaked some users&#8217; private keys via email due to a security flaw. The company announced that this was due to a bug in their mobile app and that the issue had been fully fixed.<\/p>\n<p>This criticism of private key backup has led some traders to still prefer traditional methods such as fire-resistant metal plates or Shamir Backup.<\/p>\n<p><em>You can also freely share your thoughts and comments about the topic in the comment section. Additionally, don\u2019t forget to follow us on our\u00a0<a href=\"https:\/\/t.me\/coinengineernews\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Telegram,\u00a0<\/strong><\/a><a href=\"https:\/\/www.youtube.com\/@CoinEngineer\" target=\"_blank\" rel=\"nofollow noopener\"><strong>YouTube<\/strong><\/a>,\u00a0and\u00a0<a href=\"https:\/\/twitter.com\/coinengineers\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Twitter<\/strong><\/a>\u00a0channels for the latest\u00a0<a title=\"News\" href=\"https:\/\/coinengineer.net\/blog\/news\/\" data-internallinksmanager029f6b8e52c=\"7\">news<\/a>\u00a0and updates.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tangem, a crypto wallet maker focused on crypto self-custody, has received official approval from the US patent office for its private key backup and transfer technology. The patent, granted on January 28, covers a method that allows users to securely back up their private keys and transfer them between different devices. Secure Transfer of Private<\/p>\n","protected":false},"author":6,"featured_media":35742,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[393,11333,516,11332,495],"class_list":["post-35740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-crypto","tag-custody","tag-ledger","tag-tangem","tag-wallet"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tangem Secures US Patent for Private Key Transfer - Coin Engineer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/coinengineer.net\/blog\/tangem-secures-us-patent-for-private-key-transfer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tangem Secures US Patent for Private Key Transfer - Coin Engineer\" \/>\n<meta property=\"og:description\" content=\"Tangem, a crypto wallet maker focused on crypto self-custody, has received official approval from the US patent office for its private key backup and transfer technology. 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