{"id":106852,"date":"2023-07-07T15:30:00","date_gmt":"2023-07-07T15:30:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=118987"},"modified":"2023-07-07T19:48:01","modified_gmt":"2023-07-07T19:48:01","slug":"multichain-enregistre-retraits-100-millions-dollars-hack","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/exclusives\/multichain-enregistre-retraits-100-millions-dollars-hack\/","title":{"rendered":"Multichain enregistre des retraits de plus de 100 millions de dollars : un hack de plus ?"},"content":{"rendered":"<figure class=\"image\"><img decoding=\"async\" alt=\"Multichain enregistre des retraits de plus de 100 millions de dollars : un hack de plus ?\" src=\"https:\/\/cimg.co\/news\/118987\/316735\/multichain-retrait-hack.jpg\" srcset=\"https:\/\/cimg.co\/news\/118987\/316735\/responsive-images\/multichain-retrait-hack___media_library_original_1260_630.jpg 1260w, https:\/\/cimg.co\/news\/118987\/316735\/responsive-images\/multichain-retrait-hack___media_library_original_1200_600.jpg 1200w, https:\/\/cimg.co\/news\/118987\/316735\/responsive-images\/multichain-retrait-hack___media_library_original_900_450.jpg 900w, https:\/\/cimg.co\/news\/118987\/316735\/responsive-images\/multichain-retrait-hack___media_library_original_720_360.jpg 720w, https:\/\/cimg.co\/news\/118987\/316735\/responsive-images\/multichain-retrait-hack___media_library_original_600_300.jpg 600w, https:\/\/cimg.co\/news\/118987\/316735\/responsive-images\/multichain-retrait-hack___media_library_original_300_150.jpg 300w\" width=\"1260\" class=\"content-img\"><\/figure><p>Le pont Multichain MPC enregistre <strong>des sorties de plus de 100 millions de dollars<\/strong>, suscitant des craintes d&#8217;une possible faille de s&eacute;curit&eacute;.<\/p><p>Les retraits anormalement importants de la plateforme Multichain MPC suscitent des craintes quant &agrave; <strong>une possible faille de s&eacute;curit&eacute; de plusieurs millions de dollars<\/strong>.<\/p><h2>Retraits massifs de Multichain MPC bridge : un possible hack en cours<\/h2><span class=\"replacer\"><\/span><p>Le 6 juillet, les observateurs ont constat&eacute; que<strong> pr&egrave;s de 102 millions de dollars de crypto-monnaies<\/strong> avaient &eacute;t&eacute; retir&eacute;s <strong>du pont <\/strong><a href=\"https:\/\/etherscan.io\/address\/0xc564ee9f21ed8a2d8e7e76c085740d5e4c5fafbe\"><strong>Fantom de Multichain<\/strong><\/a><strong> du c&ocirc;t&eacute; Ethereum<\/strong>. De plus, des retraits de <strong>666 000 dollars ont &eacute;t&eacute; effectu&eacute;s depuis <\/strong><a href=\"https:\/\/twitter.com\/spreekaway\/status\/1677047007221784584\"><strong>Dogechain<\/strong><\/a><strong> et de 5 millions de dollars depuis Moonriver<\/strong>.<\/p><p>D&#8217;apr&egrave;s les donn&eacute;es fournies par Lookonchain, <strong>une somme d&eacute;passant les 127 millions de dollars d&#8217;actifs <\/strong>a &eacute;t&eacute; retir&eacute;e et transf&eacute;r&eacute;e <strong>vers six adresses au cours des derni&egrave;res heures<\/strong>. Cette nouvelle vague de retraits massifs suscite une vive inqui&eacute;tude au sein de la communaut&eacute; des <a href=\"https:\/\/cryptonews.com\/fr\/tags\/cryptomonnaies\">crypto-monnaies<\/a>, et plusieurs utilisateurs ont exprim&eacute; leur pr&eacute;occupation sur le r&eacute;seau social Twitter.<\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/lookonchain\/status\/1677153197146935296?s=20\"><\/oembed><\/figure><p>Dans les actifs retir&eacute;s de la plateforme, on retrouve notamment <strong>62,6 millions de dollars en stablecoin USDC<\/strong>, <strong>1 030 WBTC (environ 31 millions de dollars)<\/strong>, <strong>7 214 WETH (13,4 millions de dollars)<\/strong>, <strong>5 millions de dollars en DAI, 910 000 UNIDX (3,3 millions de dollars)<\/strong>, 491 000 dollars en LINK (3 millions de dollars), 2,5 millions de dollars en USDT, 9,7 millions de dollars en WOO (2,1 millions de dollars), 1,3 million de dollars en ICE (1,8 million de dollars), 1,36 million de dollars en CRV (1 million de dollars), 134 dollars en YFI (914 000 dollars) et 502 000 dollars en TUSD.<\/p><p>Il n&#8217;y a pas encore d&#8217;explication imm&eacute;diate &agrave; ces &eacute;v&eacute;nements, mais le PDG de la Fondation <a href=\"https:\/\/twitter.com\/FantomFDN\/status\/1677055684716683264?s=20\">Fantom<\/a>, Michael Kong, a r&eacute;v&eacute;l&eacute; que son &eacute;quipe examine actuellement la situation. Par mesure de s&eacute;curit&eacute;, l&#8217;&eacute;quipe de Multichain recommande &agrave; tous les utilisateurs de <strong>&#8220;suspendre d&egrave;s que possible l&#8217;utilisation des services Multichain&#8221; et de &#8220;r&eacute;voquer toutes les approbations contractuelles li&eacute;es &agrave; Multichain&#8221;.<\/strong><\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/MultichainOrg\/status\/1677096839731097600?s=20\"><\/oembed><\/figure><h2>Probl&egrave;mes techniques et suspensions : les d&eacute;fis r&eacute;cents de Multichain<\/h2><span class=\"replacer\"><\/span><p>Multichain est un r&eacute;seau de pontage bas&eacute; sur la computation multipartite (MPC). Lorsqu&#8217;un utilisateur souhaite <strong>transf&eacute;rer des actifs d&#8217;une cha&icirc;ne &agrave; une autre<\/strong>, le r&eacute;seau Multichain confirme d&#8217;abord que les actifs ont &eacute;t&eacute; verrouill&eacute;s sur la premi&egrave;re cha&icirc;ne, puis &eacute;met des actifs d&eacute;riv&eacute;s sur la deuxi&egrave;me cha&icirc;ne.<\/p><p>Lorsqu&#8217;un retrait est effectu&eacute;, le r&eacute;seau effectue ce processus en sens inverse : <strong>il confirme d&#8217;abord que les jetons d&eacute;riv&eacute;s ont &eacute;t&eacute; d&eacute;truits sur la deuxi&egrave;me cha&icirc;ne<\/strong>, ensuite lib&egrave;re les actifs les soutenant sur la premi&egrave;re cha&icirc;ne.<\/p><p>L&#8217;&eacute;quipe de Multichain affirme que les cl&eacute;s cryptographiques contr&ocirc;lant ce processus sont divis&eacute;es en plusieurs fragments et r&eacute;parties dans tout le r&eacute;seau. <strong>Cela devrait th&eacute;oriquement emp&ecirc;cher toute personne ou groupe de r&eacute;aliser des retraits non autoris&eacute;s<\/strong>.<\/p><p>Multichain a connu <a href=\"https:\/\/cryptonews.com\/fr\/news\/multichain-crise-disparition-pdg-perturbations-majeures-protocole\/\">des probl&egrave;mes techniques<\/a> non sp&eacute;cifi&eacute;s ces derni&egrave;res semaines. Le 31 mai, l&#8217;&eacute;quipe a annonc&eacute; que son PDG &eacute;tait port&eacute; disparu et qu&#8217;elle rencontrait <strong>&#8220;plusieurs probl&egrave;mes en raison de circonstances impr&eacute;vues&#8221;<\/strong>, ce qui a entra&icirc;n&eacute; des retards dans les transactions.&nbsp;<\/p><p>Le 5 juillet, Binance a <a href=\"https:\/\/cryptonews.com\/fr\/news\/binance-cesse-8-token-ponts-multichaines-debacle-protocole\/\">suspendu les retraits de certains jetons<\/a> d&eacute;riv&eacute;s de Multichain <strong>en raison du r&eacute;seau qui n&#8217;a pas r&eacute;ussi &agrave; traiter les transactions en temps opportun<\/strong>.<\/p><p>Le token de Multichain (<a href=\"https:\/\/coinmarketcap.com\/fr\/currencies\/multichain\/\">MULTI<\/a>) conna&icirc;t actuellement une chute libre sur les march&eacute;s des crypto-monnaies. D&eacute;j&agrave; fortement &eacute;prouv&eacute; depuis la fin du mois d&#8217;avril et <a href=\"https:\/\/cryptonews.com\/fr\/news\/perturbation-service-multichain-token-plonge-20\/\">mai 2023<\/a>, le token MULTI a encore <strong>perdu 8,4&thinsp;% au cours des derni&egrave;res 24 heures<\/strong>, se n&eacute;gociant ce jour &agrave; seulement <strong>2,70 $<\/strong>, cela marque donc <strong>une baisse significative depuis le d&eacute;but de l&#8217;ann&eacute;e de 40 %<\/strong>.<\/p><p><i>Sources : <\/i><a href=\"https:\/\/twitter.com\/lookonchain\"><i>Lookonchain<\/i><\/a><i>, <\/i><a href=\"https:\/\/cointelegraph.com\/news\/multichain-mpc-bridge-sees-millions-in-outflows-exploit-feared\"><i>Cointelegraph<\/i><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Le pont Multichain MPC enregistre des sorties de plus de 100 millions de dollars, suscitant des craintes d&#8217;une possible faille de s&eacute;curit&eacute;.Les retraits anormalement importants de la plateforme Multichain MPC suscitent des craintes quant &agrave; une possible faille de s&eacute;curit&eacute; de plusieurs millions de dollars.Retraits massifs de Multichain MPC bridge : un possible hack en [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,2],"tags":[],"editors":[2550],"sponsored_companies":[],"class_list":["post-106852","post","type-post","status-publish","format-standard","hentry","category-features","category-exclusives","editors-jurgen-hoffman"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Multichain enregistre des retraits de plus de 100 millions de dollars : un hack de plus ?<\/title>\n<meta name=\"description\" content=\"Multichain MPC bridge enregistre des retraits de plus de 100 millions de 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