{"id":119307,"date":"2026-04-13T13:12:14","date_gmt":"2026-04-13T12:12:14","guid":{"rendered":"https:\/\/investx.fr\/pt\/?p=119307"},"modified":"2026-04-13T13:12:15","modified_gmt":"2026-04-13T12:12:15","slug":"polkadot-ataque-hacker-1-mil-milhoes-dot","status":"publish","type":"post","link":"https:\/\/investx.fr\/pt\/noticias-cripto\/polkadot-ataque-hacker-1-mil-milhoes-dot\/","title":{"rendered":"Polkadot sofre ataque massivo: Hacker cria 1 mil milh\u00f5es de DOT"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"um-roubo-on-chain-massivo-de-237-000-como-e-possivel\">Um roubo on-chain massivo de 237 000$: como \u00e9 poss\u00edvel?<\/h2>\n\n\n\n<p>Segundo os dados revelados pelo analista on-chain Lookonchain, o atacante visou uma <strong>vulnerabilidade cr\u00edtica ligada \u00e0 ponte Hyperbridge<\/strong> na rede <a href=\"https:\/\/investx.fr\/pt\/aprender-criptomoedas\/cripto\/ethereum\/\">Ethereum<\/a>. Ao manipular os direitos de administra\u00e7\u00e3o do smart contract, conseguiu forjar mensagens e mintar mil milh\u00f5es de tokens <a href=\"https:\/\/investx.fr\/pt\/aprender-criptomoedas\/cripto\/polkadot\/\">DOT<\/a> (vers\u00e3o ERC-20) a partir do nada.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Polkadot(<a href=\"https:\/\/twitter.com\/Polkadot?ref_src=twsrc%5Etfw\">@Polkadot<\/a>) has been exploited. \ud83d\udea8<br><br>The attacker minted 1B <a href=\"https:\/\/twitter.com\/search?q=%24DOT&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$DOT<\/a> and dumped it all in a single transaction for 108.2 <a href=\"https:\/\/twitter.com\/search?q=%24ETH&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$ETH<\/a>($237K).<a href=\"https:\/\/t.co\/4pStYrGb8y\">https:\/\/t.co\/4pStYrGb8y<\/a> <a href=\"https:\/\/t.co\/wRplAWNnBg\">pic.twitter.com\/wRplAWNnBg<\/a><\/p>&mdash; Lookonchain (@lookonchain) <a href=\"https:\/\/twitter.com\/lookonchain\/status\/2043558598111048126?ref_src=twsrc%5Etfw\">April 13, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>Imediatamente ap\u00f3s este exploit fraudulento, o hacker liquidou a totalidade do seu saque numa \u00fanica transa\u00e7\u00e3o. Este dump enorme permitiu-lhe arrecadar <strong>108,2 ETH, ou seja, cerca de 237 000$<\/strong>. Embora a blockchain nativa da Polkadot n\u00e3o tenha sido comprometida, este exploit destaca os riscos persistentes associados \u00e0s pontes cross-chain.<\/p>\n\n\n\n<p>Este incidente, embora menos substancial em compara\u00e7\u00e3o com os hacks hist\u00f3ricos da <strong>Ronin<\/strong> (625 M$), <strong>Wormhole<\/strong> (320 M$) ou <strong>Nomad<\/strong> (190 M$), ilustra a persist\u00eancia das falhas de verifica\u00e7\u00e3o de mensagens nas bridges.<\/p>\n\n\n\n<p>Em 2025, os hacks de criptomoedas totalizaram mais de 4 mil milh\u00f5es de d\u00f3lares, dos quais <strong>2,67 mil milh\u00f5es<\/strong> atrav\u00e9s de exploits de smart contracts; as bridges representaram cerca de <strong>50%<\/strong> dos fundos lavados. Apesar de tudo, no primeiro trimestre (Q1) de 2026, as perdas em DeFi ca\u00edram para 168 M$ (-89% em rela\u00e7\u00e3o a 2025). No entanto, as bridges est\u00e3o a ser cada vez mais visadas, com cerca de <strong>13,7 M$ roubados<\/strong> apenas no Q1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"o-preco-do-dot-em-queda-livre-vai-a-zero\">O pre\u00e7o do DOT em queda livre: vai a zero?<\/h2>\n\n\n\n<p>O impacto no mercado n\u00e3o se fez esperar. Perante esta inje\u00e7\u00e3o s\u00fabita de liquidez artificial, a cota\u00e7\u00e3o do DOT sofreu uma violenta <strong>corre\u00e7\u00e3o<\/strong>. Em poucos minutos, o ativo <strong>mergulhou mais de 7%<\/strong>, passando de 1,24$ para 1,15$, antes de tentar uma ligeira recupera\u00e7\u00e3o em torno dos 1,20$.<\/p>\n\n\n\n<p>Este movimento <strong>bearish<\/strong> repentino provocou uma onda de choque nas <a href=\"https:\/\/investx.fr\/pt\/investir-criptomoedas\/exchange\/melhores-exchanges-dex\/\">DEX<\/a> (exchanges descentralizadas), onde o par esteve \u00e0 beira de um crash total. Os traders monitorizam agora de perto os n\u00edveis de suporte para ver se os compradores conseguir\u00e3o relan\u00e7ar um <strong>rali<\/strong> ou se a press\u00e3o vendedora se vai intensificar. Um regresso ao seu <strong>ATH<\/strong> parece, por enquanto, comprometido, mesmo a longo prazo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"podera-o-preco-da-polkadot-dot-sobreviver-a-este-dump-historico\">Poder\u00e1 o pre\u00e7o da Polkadot (DOT) sobreviver a este dump hist\u00f3rico?<\/h2>\n\n\n\n<p>De um ponto de vista t\u00e9cnico, a tend\u00eancia do DOT \u00e9 alarmante. De facto, est\u00e1 a sofrer uma press\u00e3o vendedora massiva que tornar\u00e1 mais do que complicada uma recupera\u00e7\u00e3o em caso de um novo bear market. Far\u00e1 o DOT parte das altcoins prejudicadas por este bear market? O DOT apresenta v\u00e1rios order blocks vendedores em HTF. Se os compradores n\u00e3o se manifestarem, poder\u00e1 continuar o seu decl\u00ednio em dire\u00e7\u00e3o aos <strong>0,7$<\/strong> este ano.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"764\" src=\"https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/2\/2026\/04\/13123739\/DOTUSDT_2026-04-13_09-25-04-1024x764-1.jpg\" alt=\"Pre\u00e7o do DOT Polkadot com order block e RSI\" class=\"wp-image-119305\" srcset=\"https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/2\/2026\/04\/13123739\/DOTUSDT_2026-04-13_09-25-04-1024x764-1.jpg 1024w, https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/2\/2026\/04\/13123739\/DOTUSDT_2026-04-13_09-25-04-1024x764-1-300x224.jpg 300w, https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/2\/2026\/04\/13123739\/DOTUSDT_2026-04-13_09-25-04-1024x764-1-768x573.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Este ataque levanta s\u00e9rias quest\u00f5es sobre a seguran\u00e7a dos ativos wrapped e das infraestruturas cross-chain. Embora o n\u00facleo do protocolo Polkadot permane\u00e7a intacto, a confian\u00e7a dos investidores sofreu um duro golpe na sequ\u00eancia desta <strong>retra\u00e7\u00e3o<\/strong> for\u00e7ada.<\/p>\n\n\n\n<p>Com efeito, ao n\u00edvel do <strong>sentimento social<\/strong>, a rea\u00e7\u00e3o no X (Twitter) \u00e9 mista, mas maioritariamente ponderada: muitos utilizadores insistem na distin\u00e7\u00e3o &#8220;n\u00e3o foi a Polkadot que foi hackeada, mas sim a bridge Hyperbridge&#8221;, o que limita o p\u00e2nico.<\/p>\n\n\n\n<p>Enquanto o mercado cripto digere esta not\u00edcia, a volatilidade corre o risco de se manter extrema no DOT. Ir\u00e3o as whales acumular a este pre\u00e7o reduzido para preparar o pr\u00f3ximo <strong><a href=\"https:\/\/investx.fr\/pt\/aprender-criptomoedas\/bull-run\/\">bull run<\/a><\/strong>, ou trata-se do in\u00edcio de uma queda mais profunda? A rea\u00e7\u00e3o do mercado nas pr\u00f3ximas 24 horas ser\u00e1 decisiva para o futuro do token.<\/p>\n\n\n\n<p>Em conclus\u00e3o, n\u00e3o vale a pena correr riscos ao tentar comprar uma altcoin que j\u00e1 se encontra na corda bamba. E este hack poder\u00e1, al\u00e9m disso, arrefecer o interesse dos compradores j\u00e1 de si pouco numerosos.<\/p>\n\n\n\n<p><br><strong>Sobre o mesmo assunto:<\/strong><\/p>\n\n\n\n<p><strong>Artigos Relacionados:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/wlfi-justin-sun-processo-token-trump\/\">WLFI vs. Justin Sun: Amea\u00e7as de processo e queda do token da fam\u00edlia Trump<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/hyperliquid-hype-analise-preco\/\">Hyperliquid (HYPE) abaixo dos 42$: Conseguir\u00e1 um novo ATH em 2024?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/bitcoin-acumulacao-baleias\/\">Bitcoin: 5 sinais cruciais de acumula\u00e7\u00e3o por grandes investidores<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Um hacker explorou uma falha na Polkadot (DOT) e criou 1 mil milh\u00e3o de tokens. Descubra o impacto desta a\u00e7\u00e3o no mercado de criptomoedas.<\/p>\n","protected":false},"author":32,"featured_media":119306,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"polkadot hack","_yoast_wpseo_title":"Polkadot atacada: Hacker cria 1 mil milh\u00f5es de DOT! Impacto?","_yoast_wpseo_metadesc":"Um hacker explorou uma falha na Polkadot (DOT) e criou 1 mil milh\u00e3o de tokens. Descubra o impacto desta a\u00e7\u00e3o no mercado de criptomoedas.","footnotes":"","faq_titre":"","questions_frequentes":"","custom_permalink":"noticias-cripto\/polkadot-ataque-hacker-1-mil-milhoes-dot"},"categories":[44,6],"tags":[],"class_list":["post-119307","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-altcoins","category-noticias-cripto"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Polkadot atacada: Hacker cria 1 mil milh\u00f5es de DOT! Impacto?<\/title>\n<meta name=\"description\" content=\"Um hacker explorou uma falha na Polkadot (DOT) e criou 1 mil milh\u00e3o de tokens. 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J\u2019ai plong\u00e9 dans la cryptomonnaie il y a plus de 3 ans et continue de mettre tout en \u0153uvre pour fournir du contenu de qualit\u00e9, avec de l\u2019expertise et la neutralit\u00e9 attendue d\u2019un journaliste. 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