{"id":78219,"date":"2022-05-10T11:00:00","date_gmt":"2022-05-10T11:00:00","guid":{"rendered":"https:\/\/pt.cryptonews.com\/?p=78219"},"modified":"2022-07-04T07:57:47","modified_gmt":"2022-07-04T07:57:47","slug":"protocolo-de-emprestimos-defi-fortress-perde-todos-os-fundos-em-ataque-de-manipulacao-de-precos-no-oraculo","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/br\/noticias\/protocolo-de-emprestimos-defi-fortress-perde-todos-os-fundos-em-ataque-de-manipulacao-de-precos-no-oraculo\/","title":{"rendered":"Protocolo de Empr\u00e9stimos DeFi Fortress perde todos os fundos em ataque de manipula\u00e7\u00e3o de pre\u00e7os no or\u00e1culo"},"content":{"rendered":"<figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/78175\/190708\/adobestock-sergey-nivens-1-1.jpg\" alt=\"\" srcset=\"https:\/\/cimg.co\/news\/78175\/190708\/responsive-images\/adobestock-sergey-nivens-1-1___media_library_original_1200_765.jpg 1200w, https:\/\/cimg.co\/news\/78175\/190708\/responsive-images\/adobestock-sergey-nivens-1-1___media_library_original_900_573.jpg 900w, https:\/\/cimg.co\/news\/78175\/190708\/responsive-images\/adobestock-sergey-nivens-1-1___media_library_original_720_459.jpg 720w, https:\/\/cimg.co\/news\/78175\/190708\/responsive-images\/adobestock-sergey-nivens-1-1___media_library_original_600_382.jpg 600w, https:\/\/cimg.co\/news\/78175\/190708\/responsive-images\/adobestock-sergey-nivens-1-1___media_library_original_300_191.jpg 300w\" sizes=\"100vw\" width=\"1200\" class=\"content-img\"><\/figure><p class=\"wp-block-paragraph\"><strong>Fortress<\/strong>, protocolo de empr&eacute;stimo de finan&ccedil;as descentralizadas (<a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/cryptonews.com\/br\/exclusivas\/tendencias-defi-em-2022-interesse-crescente-regulamentacao-novas-funcoes-para-daos-dexes-nfts-e-jogos\/\">DeFi<\/a>) com um mercado monet&aacute;rio algor&iacute;tmico e uma stablecoin sint&eacute;tica, sofreu um ataque de manipula&ccedil;&atilde;o de pre&ccedil;os em seu or&aacute;culo que resultou na perda de todos os seus fundos.<\/p><p>&#8220;Fortress foi atingido com o que acreditamos ser um ataque de manipula&ccedil;&atilde;o de or&aacute;culos drenando todos os fundos&#8221;, disse o projeto no Twitter. &#8220;Estamos investigando para determinar o m&eacute;todo exato de ataque.&#8221;<\/p><div class=\"raw-html-embed\"><blockquote class=\"twitter-tweet\" data-conversation=\"none\"><p dir=\"ltr\" lang=\"en\">We are absolutely devastated. We will provide updates as soon as any information is available. <br><br>This is the address that implemented the attack: <a href=\"https:\/\/t.co\/w50Hllxffn\">https:\/\/t.co\/w50Hllxffn<\/a><br><br>Transaction that started the oracle attack: <a href=\"https:\/\/t.co\/AGAqCVc1f1\">https:\/\/t.co\/AGAqCVc1f1<\/a><\/p>&mdash; Fortress Protocol (@Fortressloans) <a href=\"https:\/\/twitter.com\/Fortressloans\/status\/1523495204094763008?ref_src=twsrc%5Etfw\">May 9, 2022<\/a><\/blockquote> <\/div><p>A empresa de seguran&ccedil;a Blockchain <strong>PeckShield <\/strong>tamb&eacute;m twittou sobre o ataque, dizendo que ETH 1.048 (US$ 2,58 milh&otilde;es) e DAI 400.000, no valor cumulativo de cerca de US$ 2,98 milh&otilde;es, foram roubados do projeto. Fortress forneceu os mesmos n&uacute;meros.<\/p><p>Fortress &eacute; um mercado monet&aacute;rio algor&iacute;tmico e um protocolo de stablecoin sint&eacute;tico projetado para trazer cr&eacute;dito e empr&eacute;stimos aos usu&aacute;rios da Binance Smart Chain (BSC).<\/p><p>Depois de explorar o protocolo, o invasor conectou todos os fundos roubados ao Ethereum (ETH) pelo <strong>Tornado<\/strong> <strong>Cash, <\/strong>mostraram<strong> <\/strong>as transa&ccedil;&otilde;es do Etherscan.<\/p><p>A empresa de seguran&ccedil;a Blockchain <strong>Blocksec <\/strong>detalhou que o or&aacute;culo Chain usado pelo Fortress n&atilde;o tinha verifica&ccedil;&atilde;o de energia, o que permitia que qualquer pessoa o sequestrasse.<\/p><p>BlockSec disse no Twitter, acrescentando que o invasor chamou essa fun&ccedil;&atilde;o e alterou o pre&ccedil;o do token nativo do projeto FTS diretamente.<\/p><p>Al&eacute;m disso, o atacante usou US$ 8.000 e comprou FTS 296.193 para &#8220;votar em uma proposta que adicionava o token FTS como garantia&#8221;. Posteriormente, o invasor conseguiu usar o FTS 100 como garantia para emprestar todos os outros ativos do protocolo.<\/p><p>O FTS tamb&eacute;m foi duramente atingido como consequ&ecirc;ncia do ataque. &Agrave;s 7:26 UTC da manh&atilde; de segunda-feira, a moeda est&aacute; sendo negociada a US$ 0,030, uma queda de 31,3% nas &uacute;ltimas 24 horas. A moeda tamb&eacute;m caiu mais de 43% em uma semana e 99,8% de sua alta hist&oacute;rica de US$ 14,12 registrada em meados de maio do ano passado, de acordo com a CoinGecko.<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" sizes=\"100vw\" width=\"692\" class=\"content-img lazyload\" data-src=\"https:\/\/cimg.co\/news\/78175\/190707\/screenshot-2022-05-09-at-09-28-09-fortress-loans-price-fts-chart-and-market-cap-coingecko.jpg\" data-srcset=\"https:\/\/cimg.co\/news\/78175\/190707\/responsive-images\/screenshot-2022-05-09-at-09-28-09-fortress-loans-price-fts-chart-and-market-cap-coingecko___media_library_original_692_729.jpg 692w, https:\/\/cimg.co\/news\/78175\/190707\/responsive-images\/screenshot-2022-05-09-at-09-28-09-fortress-loans-price-fts-chart-and-market-cap-coingecko___media_library_original_600_632.jpg 600w, https:\/\/cimg.co\/news\/78175\/190707\/responsive-images\/screenshot-2022-05-09-at-09-28-09-fortress-loans-price-fts-chart-and-market-cap-coingecko___media_library_original_300_316.jpg 300w\"><\/figure><p>____<\/p><p><strong>Leia Mais:<\/strong><\/p><p><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/cryptonews.com\/br\/noticias\/nova-geracao-de-investidores-de-criptomoedas-assume-a-responsabilidade-diz-investidor-de-tecnologia\/\">Nova gera&ccedil;&atilde;o de investidores de criptomoedas assume a responsabilidade, diz investidor de tecnologia<\/a><\/p><p><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/cryptonews.com\/br\/noticias\/2-em-cada-10-pessoas-em-el-salvador-ainda-usam-a-aplicacao-chivo-bitcoin-do-governo-pesquisa\/\">2 em cada 10 pessoas em El Salvador ainda usam a aplica&ccedil;&atilde;o Chivo Bitcoin do governo &#8211; Pesquisa<\/a><\/p><figure class=\"image\"><a href=\"https:\/\/cryptonews.com\/br\/noticias\/\" target=\"_blank\" rel=\"noopener \"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" class=\" lazyload\" data-src=\"https:\/\/lh5.googleusercontent.com\/HWeAEbFokowfCYhfwQincerWHzA7Mlr2lA0Q3ODwu4JWqGqZceCsv-6ZGVMM7hNSR2Bk4nD5_XFMxKuu-w1X0Mt2HMwBfh-YEHNCbcEB93kS89JDBuycuVdUQqCvPD2M2S6pPg2KUD64SNXqjQ\" data-srcset=\"\"><\/a><\/figure>","protected":false},"excerpt":{"rendered":"<p>Fortress, protocolo de empr&eacute;stimo de finan&ccedil;as descentralizadas (DeFi) com um mercado monet&aacute;rio algor&iacute;tmico e uma stablecoin sint&eacute;tica, sofreu um ataque de manipula&ccedil;&atilde;o de pre&ccedil;os em seu or&aacute;culo que resultou na perda de todos os seus fundos.&#8220;Fortress foi atingido com o que acreditamos ser um ataque de manipula&ccedil;&atilde;o de or&aacute;culos drenando todos os fundos&#8221;, disse o [&hellip;]<\/p>\n","protected":false},"author":30,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,10],"tags":[92,99,133,100,140,108],"editores":[884],"sponsored_companies":[],"class_list":["post-78219","post","type-post","status-publish","format-standard","hentry","category-noticias","category-defi-news","tag-altcoins","tag-defi","tag-ethereum","tag-hack","tag-seguranca","tag-stablecoin","editores-cryptonewscom"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Protocolo de Empr\u00e9stimos DeFi Fortress perde todos os fundos em ataque de manipula\u00e7\u00e3o de pre\u00e7os no or\u00e1culo<\/title>\n<meta name=\"description\" content=\"Fortress, protocolo de empr&eacute;stimo de finan&ccedil;as descentralizadas (DeFi) com um mercado monet&aacute;rio 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