{"id":2626,"date":"2024-11-10T12:25:24","date_gmt":"2024-11-10T14:25:24","guid":{"rendered":"https:\/\/rosybrown-mole-393459.hostingersite.com\/?p=2626"},"modified":"2024-11-10T12:25:24","modified_gmt":"2024-11-10T14:25:24","slug":"como-funciona-um-dispositivo-como-o-ledger","status":"publish","type":"post","link":"https:\/\/blog.juandesouza.com\/br\/finance\/como-funciona-um-dispositivo-como-o-ledger\/","title":{"rendered":"Como funciona um dispositivo como o Ledger"},"content":{"rendered":"<p>As criptomoedas se tornaram um ativo valioso no mundo financeiro digital, mas a seguran\u00e7a \u00e9 uma preocupa\u00e7\u00e3o constante para aqueles que os det\u00eam. Para resolver esse problema, dispositivos de hardware como o Ledger desempenharam um papel fundamental no fornecimento de uma solu\u00e7\u00e3o segura para armazenamento e gerenciamento de criptomoedas. Neste artigo especial do Nerd Codex, exploraremos como um dispositivo como o Ledger funciona e como ele garante a seguran\u00e7a das suas moedas digitais.<span id=\"more-99094\"><\/span><\/p>\n<h3>O que \u00e9 um raz\u00e3o?<\/h3>\n<p>Um\u00a0<a href=\"https:\/\/shop.ledger.com\/?r=cda3b5679424\" target=\"_blank\" rel=\"noopener\">Livro-raz\u00e3o<\/a> \u00e9 um dispositivo de hardware projetado para armazenar com seguran\u00e7a chaves privadas de criptomoedas. Ao contr\u00e1rio de softwares ou carteiras online, que mant\u00eam suas chaves privadas conectadas \u00e0 internet e, portanto, vulner\u00e1veis a ataques cibern\u00e9ticos, um Ledger mant\u00e9m suas chaves privadas offline, o que oferece uma camada adicional de prote\u00e7\u00e3o.<\/p><div id=\"juand-3574551944\" class=\"juand-content juand-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-8944986240478060\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n style=\"display:block; text-align:center;\"\r\n data-ad-layout=\"in-article\"\r\n data-ad-format=\"fluid\"\r\n data-ad-client=\"ca-pub-8944986240478060\"\r\n data-ad-slot=\"9601515663\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\r\n<br\/><\/div>\n<h3>Como funciona um livro-raz\u00e3o<\/h3>\n<p><strong>1. Armazenamento offline<\/strong><br \/>\nO principal princ\u00edpio operacional de um Ledger \u00e9 o armazenamento offline de chaves privadas. Isso significa que suas chaves privadas nunca s\u00e3o expostas \u00e0 internet, tornando-as virtualmente inacess\u00edveis a hackers. As chaves privadas s\u00e3o geradas e mantidas no dispositivo de hardware, o que impede que terceiros mal-intencionados tenham acesso a elas.<\/p>\n<p><strong>2. Gera\u00e7\u00e3o de Chaves Privadas Seguras<\/strong><br \/>\nAo configurar um Ledger, o dispositivo gera um par de chaves criptogr\u00e1ficas: uma chave p\u00fablica (usada para receber criptomoedas) e uma chave privada (usada para autorizar transa\u00e7\u00f5es e acessar ativos). A chave privada \u00e9 mantida no dispositivo e nunca \u00e9 exposta, mesmo quando voc\u00ea realiza transa\u00e7\u00f5es.<\/p>\n<p><strong>3. Assinando transa\u00e7\u00f5es seguras<\/strong><br \/>\nQuando voc\u00ea deseja realizar uma transa\u00e7\u00e3o, o dispositivo Ledger \u00e9 conectado a um computador ou dispositivo m\u00f3vel por meio de uma conex\u00e3o segura (geralmente USB ou Bluetooth). Nesse momento, o Ledger desempenha um papel crucial na assinatura da transa\u00e7\u00e3o. Ele gera uma assinatura digital da transa\u00e7\u00e3o usando sua chave privada, o que comprova a autenticidade da transa\u00e7\u00e3o.<\/p>\n<p><strong>4. Confirma\u00e7\u00e3o F\u00edsica<\/strong><br \/>\nPara garantir que voc\u00ea tenha controle total sobre suas transa\u00e7\u00f5es, o Ledger exige que voc\u00ea confirme fisicamente cada transa\u00e7\u00e3o no pr\u00f3prio dispositivo. Isso significa que voc\u00ea precisa pressionar um bot\u00e3o ou inserir um c\u00f3digo de seguran\u00e7a no dispositivo para autorizar a transa\u00e7\u00e3o. Essa camada adicional de seguran\u00e7a impede que terceiros autorizem transa\u00e7\u00f5es sem o seu conhecimento.<\/p><div id=\"juand-2643363332\" class=\"juand-content_2 juand-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-8944986240478060\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n style=\"display:block; text-align:center;\"\r\n data-ad-layout=\"in-article\"\r\n data-ad-format=\"fluid\"\r\n data-ad-client=\"ca-pub-8944986240478060\"\r\n data-ad-slot=\"9601515663\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\r\n<br\/><\/div>\n<p><strong>5. Backup de Frase de Recupera\u00e7\u00e3o<\/strong><br \/>\nAo configurar um Ledger, voc\u00ea receber\u00e1 uma frase de recupera\u00e7\u00e3o, tamb\u00e9m conhecida como &quot;frase semente&quot;. Essa frase \u00e9 composta por palavras que permitem recuperar suas chaves privadas caso seu dispositivo seja perdido ou danificado. Guarde essa frase em um local seguro e nunca a compartilhe com ningu\u00e9m.<\/p>\n<h3>Seguran\u00e7a extra e recursos adicionais do raz\u00e3o<\/h3>\n<p>Al\u00e9m dos princ\u00edpios operacionais mencionados, o Ledger tamb\u00e9m oferece recursos de seguran\u00e7a adicionais, como:<\/p>\n<p>PIN de acesso: voc\u00ea define um PIN de acesso ao configurar seu dispositivo, que \u00e9 necess\u00e1rio para desbloque\u00e1-lo sempre que voc\u00ea conect\u00e1-lo a um computador ou dispositivo m\u00f3vel.<\/p>\n<p>Criptografia: Todas as informa\u00e7\u00f5es armazenadas no dispositivo Ledger s\u00e3o criptografadas, tornando o acesso n\u00e3o autorizado extremamente dif\u00edcil.<\/p>\n<p>Atualiza\u00e7\u00f5es de firmware: a Ledger lan\u00e7a regularmente atualiza\u00e7\u00f5es de firmware para corrigir vulnerabilidades conhecidas e melhorar a seguran\u00e7a.<\/p><div id=\"juand-3026932108\" class=\"juand-content_3 juand-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-8944986240478060\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n style=\"display:block; text-align:center;\"\r\n data-ad-layout=\"in-article\"\r\n data-ad-format=\"fluid\"\r\n data-ad-client=\"ca-pub-8944986240478060\"\r\n data-ad-slot=\"9601515663\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\r\n<br\/><\/div>\n<p>Suporte a m\u00faltiplas criptomoedas: o Ledger suporta uma variedade de criptomoedas, o que permite que voc\u00ea armazene diferentes ativos em um \u00fanico dispositivo.<\/p>\n<p>Isolamento de chave privada: cada criptomoeda \u00e9 armazenada em um ambiente isolado, o que significa que as chaves privadas de uma moeda n\u00e3o podem ser usadas para acessar outras.<\/p>\n<p>O\u00a0<a href=\"https:\/\/shop.ledger.com\/?r=cda3b5679424\" target=\"_blank\" rel=\"noopener\">Livro-raz\u00e3o<\/a> e dispositivos similares oferecem uma solu\u00e7\u00e3o altamente segura para armazenar criptomoedas. A opera\u00e7\u00e3o b\u00e1sica de um Ledger concentra-se na gera\u00e7\u00e3o e prote\u00e7\u00e3o de chaves privadas, assinatura segura de transa\u00e7\u00f5es e confirma\u00e7\u00e3o f\u00edsica. A seguran\u00e7a oferecida por esses dispositivos \u00e9 fundamental para proteger seus ativos digitais em um ambiente cada vez mais complexo e suscet\u00edvel a amea\u00e7as. Lembre-se sempre de manter sua frase de recupera\u00e7\u00e3o em um local seguro e seguir as melhores pr\u00e1ticas de seguran\u00e7a ao lidar com criptomoedas.<\/p>\n<p><a href=\"https:\/\/shop.ledger.com\/?r=cda3b5679424\" target=\"_blank\" rel=\"noopener\">Compre aqui o seu Ledger e garanta o melhor pre\u00e7o<\/a>\u00a0no site oficial com nosso link!<\/p><div id=\"juand-4264622438\" class=\"juand-content_4 juand-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-8944986240478060\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n style=\"display:block; text-align:center;\"\r\n data-ad-layout=\"in-article\"\r\n data-ad-format=\"fluid\"\r\n data-ad-client=\"ca-pub-8944986240478060\"\r\n data-ad-slot=\"9601515663\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\r\n<br\/><\/div>\n<p>Foto por <a href=\"https:\/\/www.pexels.com\/photo\/close-up-photo-of-four-bitcoins-6777570\/\" target=\"_blank\" rel=\"noopener\">Alesia Kozik<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Cryptocurrencies have become a valuable asset in the digital financial world, but security is a constant concern for those who hold these assets. To address this issue, hardware devices like Ledger have played a key role in providing a secure solution for storing and managing cryptocurrencies. In this special article from\u00a0Nerd Codex, we will explore [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2627,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1301,1280],"tags":[],"class_list":["post-2626","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cryptocurrencies","category-finance"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Juan\"\/>\n\t<link rel=\"canonical\" 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