{"id":122092,"date":"2026-08-03T14:28:05","date_gmt":"2026-08-03T13:28:05","guid":{"rendered":"https:\/\/investx.fr\/pt\/uncategorized\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/"},"modified":"2026-08-03T14:28:10","modified_gmt":"2026-08-03T13:28:10","slug":"hack-coldcard-114-milhoes-bitcoin-ameacados-ia","status":"publish","type":"post","link":"https:\/\/investx.fr\/pt\/noticias-cripto\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/","title":{"rendered":"Hack Coldcard: perto de 114 milh\u00f5es de d\u00f3lares em Bitcoin amea\u00e7ados pela IA"},"content":{"rendered":"\n<p>A <strong>self-custody de Bitcoin<\/strong>, durante muito tempo apresentada como o derradeiro escudo contra os hacks de exchanges, encontra-se hoje na mira dos atacantes. Um incidente grave envolvendo carteiras <strong>Coldcard<\/strong> est\u00e1 a abalar a comunidade cripto.<\/p>\n\n\n\n<p>As perdas potenciais aproximam-se agora dos <strong>114 milh\u00f5es de d\u00f3lares<\/strong> \u2014 e a <strong>intelig\u00eancia artificial<\/strong> estar\u00e1 no centro do mecanismo de ataque. Um sinal de alarme imposs\u00edvel de ignorar.<\/p>\n\n\n\n<p>An\u00e1lise aprofundada de uma amea\u00e7a que est\u00e1 a redefinir os padr\u00f5es de seguran\u00e7a para os detentores de <strong>Bitcoin<\/strong> em self-custody.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"coldcard-em-turbulencia-como-funcionou-o-ataque\">Coldcard em turbul\u00eancia: como funcionou o ataque?<\/h2>\n\n\n\n<p>A <strong>Coldcard<\/strong> \u00e9 uma das <strong>hardware wallets<\/strong> mais conceituadas do ecossistema Bitcoin, muito apreciada pelos utilizadores avan\u00e7ados pela sua robustez e arquitetura air-gapped. Ainda assim, o incidente em curso demonstra que nenhum dispositivo \u00e9 totalmente imperme\u00e1vel a ataques sofisticados.<\/p>\n\n\n\n<p>De acordo com as primeiras informa\u00e7\u00f5es dispon\u00edveis, o ataque n\u00e3o visa diretamente o firmware da carteira, mas explora vetores perif\u00e9ricos \u2014 potencialmente relacionados com ataques do tipo <strong>supply chain<\/strong>, com <strong>seed phrases<\/strong> comprometidas ou com interfaces de gest\u00e3o de terceiros. O envolvimento da <strong>IA<\/strong> neste vetor de ataque representa uma rutura: as ferramentas generativas permitem agora conceber campanhas de <strong>phishing<\/strong> ultra-personalizadas, simular interfaces leg\u00edtimas com uma precis\u00e3o desconcertante ou automatizar ataques em larga escala contra alvos espec\u00edficos.<\/p>\n\n\n\n<p>Os fundos expostos ascenderiam a <strong>cerca de 114 milh\u00f5es de d\u00f3lares em <a href=\"https:\/\/investx.fr\/pt\/aprender-criptomoedas\/cripto\/bitcoin\/\">Bitcoin<\/a><\/strong>, segundo os dados agregados por investigadores de seguran\u00e7a on-chain. Este valor coloca o incidente entre os mais significativos de 2025 no que diz respeito \u00e0 comprometimento de <strong>carteiras n\u00e3o-custodiais<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"ia-nova-arma-ofensiva-contra-a-cripto-o-que-muda-realmente\">A IA, nova arma ofensiva contra a cripto: o que muda realmente<\/h2>\n\n\n\n<p>A utiliza\u00e7\u00e3o da <strong>intelig\u00eancia artificial<\/strong> em ciberataques a criptomoedas j\u00e1 n\u00e3o \u00e9 uma hip\u00f3tese te\u00f3rica. Relat\u00f3rios recentes de empresas como a <strong>Chainalysis<\/strong> e a <strong>CertiK<\/strong> documentam uma escalada das ferramentas de IA no arsenal dos hackers: gera\u00e7\u00e3o de sites falsos de exchanges, <strong>deepfakes<\/strong> de \u00e1udio e v\u00eddeo para usurpar a identidade de projetos leg\u00edtimos e, agora, a identifica\u00e7\u00e3o precisa de detentores de hardware wallets.<\/p>\n\n\n\n<p>No caso <strong>Coldcard<\/strong>, a IA ter\u00e1 permitido industrializar a <strong>engenharia social<\/strong> \u2014 identificando automaticamente perfis com elevado patrim\u00f3nio cripto nas redes sociais, em f\u00f3runs especializados ou em bases de dados vazadas, para lhes enviar comunica\u00e7\u00f5es fraudulentas perfeitamente calibradas. Este n\u00edvel de personaliza\u00e7\u00e3o estava at\u00e9 agora reservado a ataques <strong>APT (Advanced Persistent Threat)<\/strong> de origem estatal.<\/p>\n\n\n\n<p>Para os detentores de <strong>Bitcoin<\/strong> em self-custody, as implica\u00e7\u00f5es s\u00e3o diretas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n  <li>Nunca introduzir a seed phrase num dispositivo ligado \u00e0 internet, independentemente da origem do pedido<\/li>\n  <li>Verificar sistematicamente a integridade f\u00edsica da hardware wallet aquando da rece\u00e7\u00e3o<\/li>\n  <li>Desconfiar de qualquer comunica\u00e7\u00e3o \u2014 mesmo aparentemente oficial \u2014 que solicite uma a\u00e7\u00e3o urgente sobre a carteira<\/li>\n  <li>Ativar a <strong>passphrase BIP39<\/strong> como camada de seguran\u00e7a adicional<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"qual-o-impacto-na-confianca-na-self-custody-de-bitcoin\">Qual o impacto na confian\u00e7a na self-custody de Bitcoin?<\/h2>\n\n\n\n<p>Este incidente surge num contexto em que a <strong>self-custody<\/strong> regista um renovado interesse massivo, impulsionado pela desconfian\u00e7a p\u00f3s-<strong>FTX<\/strong> em rela\u00e7\u00e3o \u00e0s <strong>exchanges centralizadas<\/strong>. A m\u00e1xima \u00ab<strong>not your keys, not your coins<\/strong>\u00bb convenceu milh\u00f5es de utilizadores a repatriar os seus fundos para solu\u00e7\u00f5es n\u00e3o-custodiais. Mas a crescente sofistica\u00e7\u00e3o dos ataques coloca uma quest\u00e3o fundamental: <strong>a <a href=\"https:\/\/investx.fr\/pt\/investir-criptomoedas\/exchange\/melhores-cartoes-crypto\/\">self-custody \u00e9 acess\u00edvel a todos os perfis de investidores?<\/a><\/strong><\/p>\n\n\n\n<p>Os especialistas em seguran\u00e7a s\u00e3o un\u00e2nimes: a <strong>hardware wallet<\/strong> continua a ser a melhor prote\u00e7\u00e3o dispon\u00edvel atualmente \u2014 desde que sejam respeitados protocolos rigorosos. O verdadeiro elo fraco n\u00e3o \u00e9 o dispositivo em si, mas o ambiente humano e digital que o rodeia. A <strong>IA<\/strong> amplifica este risco ao tornar os ataques sociais praticamente impercet\u00edveis para um utilizador menos experiente.<\/p>\n\n\n\n<p>A <strong>Coinkite<\/strong>, a empresa por detr\u00e1s da <strong>Coldcard<\/strong>, ainda n\u00e3o publicou qualquer <a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/bitgo-link-interface-unica-coinbase-kraken-crypto-com\/\">declara\u00e7\u00e3o oficial a detalhar os vetores explorados<\/a> nem as medidas corretivas previstas. A comunidade Bitcoin aguarda respostas \u2014 e garantias \u2014 sobre a seguran\u00e7a de uma das suas ferramentas de refer\u00eancia.<\/p>\n\n\n\n<div class=\"related-articles\">\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"artigos-relacionados\">Artigos relacionados :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/bitcoin-defi-sem-wrapped-bitcoin-protocolo\/\">Bitcoin DeFi sem wBTC: este protocolo prova que \u00e9 poss\u00edvel<\/a><\/li>\n<li><a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/american-bitcoin-recorde-932-btc-minados-t2-2025\/\">American Bitcoin bate o seu pr\u00f3prio recorde de produ\u00e7\u00e3o no T2 2025: 932 BTC minados apesar dos preju\u00edzos<\/a><\/li>\n<li><a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/bitcoin-sinais-institucionais-bullish-analise-tecnica-btc\/\">Bitcoin: os sinais institucionais voltam a ser bullish \u2014 at\u00e9 onde pode subir o BTC?<\/a><\/li>\n<\/ul>\n\n\n\n<\/div>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Organization\", \"@id\": \"https:\/\/investx.fr#organization\", \"name\": \"InvestX\", \"url\": \"https:\/\/investx.fr\", \"logo\": {\"@type\": \"ImageObject\", \"@id\": \"https:\/\/investx.fr#logo\", \"url\": \"https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/2\/logo.png\", \"width\": 600, \"height\": 60, \"caption\": \"InvestX\"}, \"sameAs\": [\"https:\/\/twitter.com\/investx_fr\", \"https:\/\/www.linkedin.com\/company\/investx\", \"https:\/\/t.me\/investxpro\"], \"description\": \"M\u00e9dia francophone de r\u00e9f\u00e9rence sur les cryptomonnaies, le trading et la finance digitale.\"}, {\"@type\": \"WebSite\", \"@id\": \"https:\/\/investx.fr#website\", \"url\": \"https:\/\/investx.fr\", \"name\": \"InvestX\", \"publisher\": {\"@id\": \"https:\/\/investx.fr#organization\"}, \"potentialAction\": {\"@type\": \"SearchAction\", \"target\": \"https:\/\/investx.fr\/?s={search_term_string}\", \"query-input\": \"required name=search_term_string\"}}, {\"@type\": \"WebPage\", \"@id\": \"https:\/\/investx.fr\/pt\/uncategorized\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/#webpage\", \"url\": \"https:\/\/investx.fr\/pt\/uncategorized\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/\", \"name\": \"Hack Coldcard: perto de 114 milh\u00f5es de d\u00f3lares em Bitcoin amea\u00e7ados pela IA\", \"description\": \"\", \"inLanguage\": \"pt\", \"isPartOf\": {\"@id\": \"https:\/\/investx.fr#website\"}, \"breadcrumb\": {\"@id\": \"https:\/\/investx.fr\/pt\/uncategorized\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/#breadcrumb\"}, \"primaryImageOfPage\": {\"@id\": \"https:\/\/investx.fr\/pt\/uncategorized\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/#primaryimage\"}}, {\"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/investx.fr\/pt\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Actualit\u00e9 Crypto\", \"item\": \"https:\/\/investx.fr\/pt\/category\/actu-crypto\/\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Hack Coldcard: perto de 114 milh\u00f5es de d\u00f3lares em Bitcoin amea\u00e7ados pela IA\"}], \"@id\": \"https:\/\/investx.fr\/pt\/uncategorized\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/#breadcrumb\"}, {\"@type\": \"Person\", \"@id\": \"https:\/\/investx.fr\/auteurs\/simon_redacteur#person\", \"name\": \"Simon Dumoulin\", \"url\": \"https:\/\/investx.fr\/auteurs\/simon_redacteur\", \"worksFor\": {\"@type\": \"Organization\", \"name\": \"InvestX\", \"url\": \"https:\/\/investx.fr\"}}, {\"@type\": \"NewsArticle\", \"@id\": \"https:\/\/investx.fr\/pt\/uncategorized\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/#article\", \"isPartOf\": {\"@id\": \"https:\/\/investx.fr\/pt\/uncategorized\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/#webpage\"}, \"mainEntityOfPage\": {\"@id\": \"https:\/\/investx.fr\/pt\/uncategorized\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia\/#webpage\"}, \"headline\": \"Hack Coldcard: perto de 114 milh\u00f5es de d\u00f3lares em Bitcoin amea\u00e7ados pela IA\", \"description\": \"\", \"articleBody\": \"Hack Coldcard: perto de 114 milh\u00f5es de d\u00f3lares em Bitcoin amea\u00e7ados pela IA\\n\\nA self-custody de Bitcoin, durante muito tempo apresentada como o derradeiro escudo contra os hacks de exchanges, encontra-se hoje na mira dos atacantes. Um incidente grave envolvendo carteiras Coldcard est\u00e1 a abalar a comunidade cripto.\\n\\nAs perdas potenciais aproximam-se agora dos 114 milh\u00f5es de d\u00f3lares \u2014 e a intelig\u00eancia artificial estar\u00e1 no centro do mecanismo de ataque. Um sinal de alarme imposs\u00edvel de ignorar.\\n\\nAn\u00e1\", \"wordCount\": 631, \"inLanguage\": \"pt\", \"datePublished\": \"2026-08-03T13:28:07.765935Z\", \"dateModified\": \"2026-08-03T13:28:07.765935Z\", \"articleSection\": \"Actualit\u00e9 Crypto\", \"publisher\": {\"@id\": \"https:\/\/investx.fr#organization\"}, \"author\": {\"@id\": \"https:\/\/investx.fr\/auteurs\/simon_redacteur#person\"}, \"about\": [{\"@type\": \"Thing\", \"name\": \"Bitcoin\", \"sameAs\": \"https:\/\/www.wikidata.org\/wiki\/Q131723\"}, {\"@type\": \"Thing\", \"name\": \"Defi\", \"sameAs\": \"https:\/\/www.wikidata.org\/wiki\/Q86697873\"}], \"isAccessibleForFree\": true}]}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Um ataque massivo amea\u00e7a carteiras Coldcard com perdas pr\u00f3ximas dos 114M$. A IA est\u00e1 no centro do mecanismo. Tudo o que precisa de saber.<\/p>\n","protected":false},"author":47,"featured_media":120399,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","faq_titre":"","questions_frequentes":"","custom_permalink":"noticias-cripto\/hack-coldcard-114-milhoes-bitcoin-ameacados-ia"},"categories":[42,6],"tags":[],"class_list":["post-122092","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bitcoin","category-noticias-cripto"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hack Coldcard: 114M$ em Bitcoin em risco por causa da IA<\/title>\n<meta name=\"description\" content=\"Um ataque massivo amea\u00e7a carteiras Coldcard com perdas pr\u00f3ximas dos 114M$. A IA est\u00e1 no centro do mecanismo. 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