{"id":107536,"date":"2023-08-20T12:02:00","date_gmt":"2023-08-20T12:02:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=122879"},"modified":"2023-08-20T12:06:02","modified_gmt":"2023-08-20T12:06:02","slug":"hacker-bnb-chain-perd-53-millions-dollars-avoir-ete-liquide-krach-marche","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/hacker-bnb-chain-perd-53-millions-dollars-avoir-ete-liquide-krach-marche\/","title":{"rendered":"Un hacker de la BNB chain perd plus de 53 millions de dollars apr\u00e8s avoir \u00e9t\u00e9 liquid\u00e9 dans le krach du march\u00e9"},"content":{"rendered":"<figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/122879\/325142\/capture-decran-2023-08-20.jpg\" alt=\"\" srcset=\"https:\/\/cimg.co\/news\/122879\/325142\/responsive-images\/capture-decran-2023-08-20___media_library_original_1000_504.jpg 1000w, https:\/\/cimg.co\/news\/122879\/325142\/responsive-images\/capture-decran-2023-08-20___media_library_original_900_454.jpg 900w, https:\/\/cimg.co\/news\/122879\/325142\/responsive-images\/capture-decran-2023-08-20___media_library_original_720_363.jpg 720w, https:\/\/cimg.co\/news\/122879\/325142\/responsive-images\/capture-decran-2023-08-20___media_library_original_600_302.jpg 600w, https:\/\/cimg.co\/news\/122879\/325142\/responsive-images\/capture-decran-2023-08-20___media_library_original_300_151.jpg 300w\" sizes=\"100vw\" width=\"1000\" class=\"content-img\"><\/figure><p class=\"wp-block-paragraph\">La chute soudaine des prix sur le march&eacute; crypto a eu des r&eacute;percussions sur de nombreux traders. Pr&egrave;s de 1 milliard de dollars en cryptomonnaies avaient &eacute;t&eacute; liquid&eacute;s entre le 17 et le 18 ao&ucirc;t selon les donn&eacute;es de <strong>Coinglass<\/strong>, rapprochant la capitalisation boursi&egrave;re du march&eacute; du seuil psychologique de 1000 milliards de dollars. <strong>Un portefeuille en particulier a attir&eacute; l&rsquo;attention des analystes on-chain<\/strong>, <strong>il s&rsquo;agit de celui qui serait contr&ocirc;l&eacute; par le ou les hackers responsables du dernier piratage sur BNB chain<\/strong>.<\/p><h2><strong>Piratage de BNB chain : rappel des &eacute;v&egrave;nements<\/strong><\/h2><span class=\"replacer\"><\/span><p>En octobre dernier, la blockchain de Binance, BNB Chain, avait &eacute;t&eacute; vis&eacute;e par un <a href=\"https:\/\/cryptonews.com\/fr\/news\/bnb-chain-la-blockchain-de-binance-vise-par-un-piratage-de-566-millions-de-dollars\/\"><u>piratage<\/u><\/a>. Les hackers avaient exploit&eacute; une vuln&eacute;rabilit&eacute; sur le <i>BSC token hub<\/i> pour cr&eacute;er plusieurs millions de nouveaux jetons BNB. Les estimations portaient les pertes issues de cet exploit &agrave; environ 600 millions de dollars. <strong>Le pirate n&rsquo;a cependant &eacute;t&eacute; en mesure de s&rsquo;approprier l&rsquo;int&eacute;gralit&eacute; des fonds vol&eacute;s.<\/strong> En effet, la collaboration entre plusieurs acteurs du secteur avait permis de <strong>geler pr&egrave;s de 500 millions de dollars.<\/strong><\/p><p>Le hacker a ensuite d&eacute;pos&eacute; les fonds sur plusieurs plateformes DeFi, dont la plateforme de pr&ecirc;ts d&eacute;centralis&eacute;s <strong>Venus Protocol<\/strong>. Sur chaque blockchain, le hacker a utilis&eacute; divers fournisseurs de liquidit&eacute;s et protocoles de pr&ecirc;t tels que <strong>Curve Finance<\/strong>, <strong>Uniswap<\/strong> et <strong>Geist<\/strong>. Il a r&eacute;alis&eacute; plusieurs op&eacute;rations et utilis&eacute; les BNB vol&eacute;s comme garanties pour emprunter certains jetons, dont des stablecoins. Ces stablecoins ont ensuite &eacute;t&eacute; achemin&eacute;s vers plusieurs cha&icirc;nes compatibles EVM &agrave; l&rsquo;aide de ponts tels que <strong>Stargate Finance<\/strong> et <strong>Multichain<\/strong>. Le pirate a ensuite &eacute;t&eacute; en mesure de proc&eacute;der &agrave; la conversion de certains actifs contre contre des ETH. La majeure partie des actifs vol&eacute;s avait &eacute;t&eacute; d&eacute;pos&eacute; sur Venus Protocol.&nbsp;<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" sizes=\"100vw\" width=\"655\" class=\"content-img lazyload\" data-src=\"https:\/\/cimg.co\/news\/122879\/325143\/capture-decran-2023-08-20.jpg\" data-srcset=\"https:\/\/cimg.co\/news\/122879\/325143\/responsive-images\/capture-decran-2023-08-20___media_library_original_655_407.jpg 655w, https:\/\/cimg.co\/news\/122879\/325143\/responsive-images\/capture-decran-2023-08-20___media_library_original_600_373.jpg 600w, https:\/\/cimg.co\/news\/122879\/325143\/responsive-images\/capture-decran-2023-08-20___media_library_original_300_186.jpg 300w\"><figcaption>Source : Nansen<\/figcaption><\/figure><h2><strong>Le hacker de BNB chain victime de la liquidation du march&eacute;<\/strong><\/h2><span class=\"replacer\"><\/span><p>Cependant, le hacker responsable de cet incident a d&ucirc; faire face &agrave; un impr&eacute;vu apr&egrave;s le recul inattendu du march&eacute; crypto. La soci&eacute;t&eacute; sp&eacute;cialis&eacute;e dans la s&eacute;curit&eacute; <strong>PeckShield<\/strong> a d&eacute;clar&eacute; qu&rsquo;un des portefeuilles identifi&eacute;s comme &eacute;tant li&eacute; &agrave; l&rsquo;incident avait vu sa garantie liquid&eacute;e. <strong>Le prix du BNB &eacute;tait tomb&eacute; en dessous de 220 $, ce qui a entra&icirc;n&eacute; la liquidation de trois positions li&eacute;es au portefeuille.<\/strong> Contrairement au trading sur marge sur les march&eacute;s boursiers, les contrats intelligents des plateformes DeFi liquident automatiquement les positions sans avertissement.&nbsp;<\/p><p>Dans le cas de Venus Protocol, l&rsquo;&eacute;quipe a tenu &agrave; souligner que <strong>des dispositions avaient &eacute;t&eacute; prises pour minimiser l&rsquo;impact de l&rsquo;appel de marge sur la cha&icirc;ne<\/strong>. Un manque de liquidit&eacute; aurait pu d&eacute;stabiliser le prix de la BNB et poser un risque de contagion &agrave; l&rsquo;&eacute;cosyst&egrave;me DeFi de BNB Chain.<\/p><div class=\"raw-html-embed\"><blockquote class=\"twitter-tweet\"><p lang=\"en\" dir=\"ltr\">Following today&rsquo;s market movement, the BNB Bridge exploiter account was made healthy as promised by <a href=\"https:\/\/twitter.com\/BNBCHAIN?ref_src=twsrc%5Etfw\">@BNBCHAIN<\/a> using whitelisted liquidation without any resulting shortfall or further impact to <a href=\"https:\/\/twitter.com\/search?q=%24bnb&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$bnb<\/a> <a href=\"https:\/\/t.co\/TGZ7nbiDPN\">https:\/\/t.co\/TGZ7nbiDPN<\/a><\/p>&mdash; Venus Protocol (@VenusProtocol) <a href=\"https:\/\/twitter.com\/VenusProtocol\/status\/1692421277762412586?ref_src=twsrc%5Etfw\">August 18, 2023<\/a><\/blockquote> <script async=\"\" src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div><p>Le hacker n&rsquo;est cependant pas le seul &agrave; avoir &eacute;t&eacute; victime du plongeon des prix sur le march&eacute;. En effet, un trader dont l&rsquo;identit&eacute; est inconnue aurait <a href=\"https:\/\/cryptonews.com\/fr\/news\/un-seul-trader-perdu-55-millions-dollars-ether-hier\/\" rel=\"nofollow\">perdu<\/a> pr&egrave;s de 55 millions de dollars.<\/p><p>La situation sur le march&eacute; crypto reste toujours instable. L&rsquo;ensemble du march&eacute; crypto est actuellement en hausse de 0,92% au cours de ces derni&egrave;res 24 heures. De son c&ocirc;t&eacute;, BNB est en hausse de 0,40% au cours des derni&egrave;res 24 heures, mais reste en baisse de 9% sur la semaine.<\/p><p><i>Sources : <\/i><a href=\"https:\/\/www.nansen.ai\/research\/bnb-chains-cross-chain-bridge-exploit-explained#what-was-lost-and-what-is-the-current-situation\"><i><u>Nansen<\/u><\/i><\/a><i>, <\/i><a href=\"https:\/\/twitter.com\/PeckShieldAlert?s=20\"><i><u>Twitter PeckShield<\/u><\/i><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>La chute soudaine des prix sur le march&eacute; crypto a eu des r&eacute;percussions sur de nombreux traders. Pr&egrave;s de 1 milliard de dollars en cryptomonnaies avaient &eacute;t&eacute; liquid&eacute;s entre le 17 et le 18 ao&ucirc;t selon les donn&eacute;es de Coinglass, rapprochant la capitalisation boursi&egrave;re du march&eacute; du seuil psychologique de 1000 milliards de dollars. Un [&hellip;]<\/p>\n","protected":false},"author":35,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10,1],"tags":[108,48],"editors":[2112],"sponsored_companies":[],"class_list":["post-107536","post","type-post","status-publish","format-standard","hentry","category-defi-news","category-news","tag-binance","tag-piratage","editors-crandria"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BNB chain : un pirate perd plus de 53 millions de dollars apr\u00e8s le krach du march\u00e9<\/title>\n<meta name=\"description\" content=\"Comment un pirate de BNB Chain a perdu ses fonds au cours de la liquidation du march\u00e9 ?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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