{"id":175562,"date":"2025-11-27T12:00:00","date_gmt":"2025-11-27T12:00:00","guid":{"rendered":"https:\/\/cryptonews.com\/fr\/?p=175562"},"modified":"2025-11-27T11:55:07","modified_gmt":"2025-11-27T11:55:07","slug":"plus-grand-exchange-coreen-frappe-hack-36-millions-dollars-upbit-gele-tout","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/plus-grand-exchange-coreen-frappe-hack-36-millions-dollars-upbit-gele-tout\/","title":{"rendered":"Le plus grand exchange cor\u00e9en frapp\u00e9 par un hack de 36 millions de dollars : Upbit g\u00e8le tout"},"content":{"rendered":"<p>Upbit vient de vivre une nuit mouvement\u00e9e. L\u2019exchange cor\u00e9en a d\u00e9tect\u00e9 un transfert anormal sur un hot wallet Solana, avant de confirmer un hack d\u2019environ 36 millions de dollars. Dans la foul\u00e9e, la plateforme a gel\u00e9 tous les d\u00e9p\u00f4ts et retraits le temps de s\u00e9curiser le reste des fonds et de comprendre l\u2019origine de l\u2019incident. Et le timing ne pouvait pas \u00eatre plus sensible : l\u2019attaque survient moins de 24 heures apr\u00e8s l\u2019annonce du gigantesque accord de 10 milliards de dollars entre Dunamu (Upbit) et Naver Financial.<strong><\/strong><\/p><h2 class=\"wp-block-heading\"><strong>Ce qui a \u00e9t\u00e9 vol\u00e9 pendant le hack Upbit : focus sur le hot wallet Solana<\/strong><\/h2><span class=\"replacer\"><\/span><p>Le piratage <strong>a vis\u00e9<\/strong> un portefeuille connect\u00e9 au r\u00e9seau Solana qui servait exclusivement aux op\u00e9rations quotidiennes <a href=\"https:\/\/cryptonews.com\/fr\/news\/ipo-upbit-coree-du-sud-crypto\/\">d\u2019Upbit<\/a>. Ce wallet contenait un solde op\u00e9rationnel d\u2019environ <strong>54 milliards de wons<\/strong>, soit <strong>pr\u00e8s de 36 \u00e0 37 millions de dollars<\/strong>, compos\u00e9 de SOL et de plusieurs tokens SPL utilis\u00e9s pour les swaps rapides. Les hackers ont ex\u00e9cut\u00e9 une seule transaction unique qui a aspir\u00e9 l\u2019int\u00e9gralit\u00e9 des fonds avant que les syst\u00e8mes de protection ne puissent bloquer l\u2019op\u00e9ration.<\/p><figure class=\"wp-block-embed aligncenter is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Upbit(<a href=\"https:\/\/twitter.com\/Official_Upbit?ref_src=twsrc%5Etfw\">@Official_Upbit<\/a>) has been hacked \u2014 54B KRW (~36.8M USD) in assets on <a href=\"https:\/\/twitter.com\/hashtag\/Solana?src=hash&amp;ref_src=twsrc%5Etfw\">#Solana<\/a> have been transferred to unknown wallets.<a href=\"https:\/\/t.co\/plbmBz2G4N\">https:\/\/t.co\/plbmBz2G4N<\/a><a href=\"https:\/\/t.co\/YOHoqDVfqa\">https:\/\/t.co\/YOHoqDVfqa<\/a> <a href=\"https:\/\/t.co\/DM5BxSTtXA\">pic.twitter.com\/DM5BxSTtXA<\/a><\/p>&mdash; Lookonchain (@lookonchain) <a href=\"https:\/\/twitter.com\/lookonchain\/status\/1993904734546300942?ref_src=twsrc%5Etfw\">November 27, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure><p>Selon les premi\u00e8res <a href=\"https:\/\/upbit.com\/service_center\/notice?id=5800&#038;view=share\">analyses internes<\/a>, ce portefeuille <strong>n\u2019\u00e9tait plus cens\u00e9 contenir autant d\u2019actifs \u00e0 cette heure-l\u00e0<\/strong>. Les \u00e9quipes tentent de comprendre pourquoi le solde n\u2019a pas \u00e9t\u00e9 transf\u00e9r\u00e9 plus t\u00f4t vers un cold wallet. Elles \u00e9valuent aussi si un simple d\u00e9calage op\u00e9rationnel a cr\u00e9\u00e9 une br\u00e8ve fen\u00eatre d\u2019opportunit\u00e9 pour l\u2019attaquant. Ce point devient central dans l\u2019enqu\u00eate en cours men\u00e9e par les responsables de la plateforme. Car il pourrait r\u00e9v\u00e9ler si l\u2019attaque vient d\u2019une erreur de routine, d\u2019un wallet compromis ou d\u2019un acc\u00e8s pr\u00e9par\u00e9 auparavant.<\/p><h2 class=\"wp-block-heading\"><strong>Comment Upbit a r\u00e9agi : gel total et migration vers les cold wallets<\/strong><\/h2><span class=\"replacer\"><\/span><p>Une fois le transfert inhabituel rep\u00e9r\u00e9, Upbit a d\u00e9clench\u00e9 son protocole de s\u00e9curit\u00e9. \u00c0 04h42 du matin<strong>, les d\u00e9p\u00f4ts et retraits ont \u00e9t\u00e9 coup\u00e9s<\/strong>, laissant le temps aux \u00e9quipes d\u2019isoler la zone touch\u00e9e. L\u2019objectif \u00e9tait simple : \u00e9viter que l\u2019attaque se propage \u00e0 d\u2019autres portefeuilles.<\/p><p>Pendant que les ing\u00e9nieurs inspectaient l\u2019incident, l\u2019\u00e9quipe a d\u00e9plac\u00e9 les fonds restants vers des cold wallets totalement d\u00e9connect\u00e9s du r\u00e9seau. En parall\u00e8le, elle a lanc\u00e9 un audit complet pour <strong>retracer les mouvements et identifier la faille<\/strong>. Upbit a \u00e9galement contact\u00e9 ses partenaires sp\u00e9cialis\u00e9s dans l\u2019analyse on-chain pour suivre la piste des tokens vol\u00e9s.<\/p><h2 class=\"wp-block-heading\"><strong>Pourquoi l\u2019affaire fait du bruit : timing ultra-sensible apr\u00e8s le deal \u00e0 10 milliards entre Upbit et Naver<\/strong><\/h2><span class=\"replacer\"><\/span><p>L\u2019incident tombe au pire moment pour l\u2019exchange. La veille encore, Dunamu, la soci\u00e9t\u00e9 derri\u00e8re Upbit, annon\u00e7ait un accord majeur avec Naver Financial, le bras financier du g\u00e9ant technologique cor\u00e9en. Ce rapprochement <strong>\u00e0 plus de 10 milliards de dollars<\/strong> devait renforcer la position d\u2019Upbit dans l\u2019\u00e9cosyst\u00e8me.<\/p><p>Ce <a href=\"https:\/\/cryptonews.com\/fr\/news\/chine-etats-unis-vol-bitcoin\/\">hack soudain rebat les cartes<\/a>. Le timing soul\u00e8ve des questions sur la s\u00e9curit\u00e9 interne d&#8217;Upbit et surtout s<strong>a capacit\u00e9 de la plateforme \u00e0 g\u00e9rer un afflux d\u2019utilisateurs<\/strong> toujours plus important. En Cor\u00e9e du Sud, o\u00f9 les r\u00e9gulateurs surveillent de tr\u00e8s pr\u00e8s les plateformes crypto, l\u2019incident pourrait relancer un d\u00e9bat d\u00e9j\u00e0 tr\u00e8s tendu autour de la fiabilit\u00e9 des exchanges locaux.<\/p><h2 class=\"wp-block-heading\"><strong>Et maintenant ? Enqu\u00eate en cours, remboursement promis et grande inconnue autour des hackers<\/strong><\/h2><span class=\"replacer\"><\/span><p>Upbit a promis de couvrir <strong>l\u2019int\u00e9gralit\u00e9 de la perte avec ses propres fonds<\/strong>. Les utilisateurs ne devraient donc subir aucun manque \u00e0 gagner. M\u00eame si les retraits resteront bloqu\u00e9s jusqu\u2019\u00e0 la fin de l\u2019audit. Et l\u2019exchange travaille d\u00e9j\u00e0 avec les autorit\u00e9s pour d\u00e9terminer si les tokens vol\u00e9s peuvent \u00eatre gel\u00e9s ou r\u00e9cup\u00e9r\u00e9s.<\/p><p>Pour l\u2019instant, impossible de savoir qui se cache derri\u00e8re cette attaque. Car aucun groupe n\u2019a \u00e9t\u00e9 d\u00e9sign\u00e9, et les premi\u00e8res analyses ne pointent <strong>vers aucune signature \u00e9vidente<\/strong>. L\u2019enqu\u00eate devra aussi d\u00e9terminer comment l\u2019acc\u00e8s au hot wallet a \u00e9t\u00e9 obtenu. Finalement, une question reste en suspens : ce piratage pourrait-il compromettre la suite du partenariat entre Dunamu et Naver ?<\/p><h2 class=\"wp-block-heading\"><strong>$BEST : le token de Best Wallet sort dans 1 jour, derni\u00e8re ligne droite avant la cotation<\/strong><\/h2><span class=\"replacer\"><\/span><p>Pendant que l\u2019affaire Upbit secoue le march\u00e9, un autre \u00e9v\u00e9nement attire l\u2019attention : le <strong>lancement officiel du<\/strong> <strong><a href=\"https:\/\/cryptonews.com\/fr\/ext\/bestwalletprevente\/\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">$BEST<\/a><\/strong>, <strong>pr\u00e9vu dans moins de 24 heures<\/strong>. Car le token arrive au terme de sa pr\u00e9vente, avec une promesse claire : devenir le c\u0153ur d\u2019un \u00e9cosyst\u00e8me de <a href=\"https:\/\/cryptonews.com\/fr\/news\/le-hack-de-bybit-renforce-la-necessite-dadopter-ce-portefeuille-auto-depositaire\/\">wallet non d\u00e9positaires<\/a> qui mise sur le multi-cha\u00eenes, la s\u00e9curit\u00e9 MPC et un acc\u00e8s anticip\u00e9 aux nouveaux projets crypto.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"381\" src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/10\/28112056\/Best-Wallet-1024x381.jpg\" alt=\"\" class=\"wp-image-172197\" srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/10\/28112056\/Best-Wallet-1024x381.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/10\/28112056\/Best-Wallet-300x111.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/10\/28112056\/Best-Wallet-768x285.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/10\/28112056\/Best-Wallet-450x167.jpg 450w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/10\/28112056\/Best-Wallet.jpg 1227w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><\/figure><\/div><p>Le <a href=\"https:\/\/cryptonews.com\/fr\/ext\/bestwalletprevente\/\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">lancement de $BEST<\/a> intervient au moment o\u00f9 la demande pour les wallets non custodial explose. Avec plus de 60 blockchains support\u00e9es, <strong>un launchpad interne et une roadmap charg\u00e9e<\/strong> ; Best Card, analyses de march\u00e9, protection MEV\u2026<\/p><p>La sortie du token pourrait devenir un test grandeur nature pour mesurer l\u2019int\u00e9r\u00eat r\u00e9el du public. Ceux qui participent \u00e0 la pr\u00e9vente pourront r\u00e9clamer leurs tokens une fois l\u2019ouverture officielle annonc\u00e9e&#8230; En plus, <strong>les premi\u00e8res cotations devraient arriver dans la foul\u00e9e<\/strong>.<\/p><p class=\"has-text-align-center\"><\/p><div style=\"background: #920047;margin: auto;width: 50%;text-align: center;padding: 8px;border-radius: 5px;background-image: linear-gradient(107deg,#930046,#59008a);color: white;padding-left: 1em;padding-right: 1em;font-size: 16px\"><a style=\"text-decoration:none;color:white\" href=\"https:\/\/fr.cryptonews.com\/ext\/bestwallet\/\" target=\"_blank\" rel=\"nofollow noindex\">D\u00e9couvrez Best Wallet<\/a><\/div><p class=\"has-text-align-center\"><em>Les cryptoactifs repr\u00e9sentent un investissement risqu\u00e9.<\/em><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Sources : <a href=\"https:\/\/upbit.com\/service_center\/notice?id=5800&#038;view=share\" target=\"_blank\" rel=\"noreferrer noopener\">Upbit<\/a>, <a href=\"https:\/\/x.com\/lookonchain\/status\/1993904734546300942?s=20\" target=\"_blank\" rel=\"noreferrer noopener\">Lookonchain<\/a><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p class=\"has-text-align-center\"><\/p><p class=\"disclaimer-rw\"><em>Les informations pr\u00e9sent\u00e9es dans cet article ne constituent en aucun cas un conseil en investissement. Elles sont fournies \u00e0 des fins exclusivement informatives. Le march\u00e9 des crypto-actifs demeure hautement volatil et comporte des risques significatifs de pertes. Enfin, il est recommand\u00e9 aux lecteurs de n\u2019investir que les montants qu\u2019ils peuvent se permettre de perdre. Et de proc\u00e9der \u00e0 leurs propres recherches avant toute prise de position sur les march\u00e9s.<\/em><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Pour aller plus loin sur le sujet :<\/p><ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/ipo-upbit-coree-du-sud-crypto\/\">IPO de la plateforme Upbit en Cor\u00e9e du Sud : ce qu\u2019il faut savoir sur ses ambitions<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/chine-etats-unis-vol-bitcoin\/\">P\u00e9kin accuse Washington : 127 000 BTC \u00ab d\u00e9rob\u00e9s \u00bb lors d\u2019un hack<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/le-hack-de-bybit-renforce-la-necessite-dadopter-ce-portefeuille-auto-depositaire\/\">Le hack de ByBit renforce la n\u00e9cessit\u00e9 d\u2019adopter ce portefeuille auto-d\u00e9positaire, une solution avanc\u00e9e et plus s\u00e9curis\u00e9e<\/a><\/li>\n<\/ul><h1 class=\"wp-block-heading\"> <\/h1><h1 class=\"wp-block-heading\"> <\/h1>","protected":false},"excerpt":{"rendered":"<p>Upbit vient de vivre une nuit mouvement\u00e9e. L\u2019exchange cor\u00e9en a d\u00e9tect\u00e9 un transfert anormal sur un hot wallet Solana, avant de confirmer un hack d\u2019environ 36 millions de dollars. Dans la foul\u00e9e, la plateforme a gel\u00e9 tous les d\u00e9p\u00f4ts et retraits le temps de s\u00e9curiser le reste des fonds et de comprendre l\u2019origine de l\u2019incident. [&hellip;]<\/p>\n","protected":false},"author":271,"featured_media":175563,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2106],"tags":[],"editors":[2551],"sponsored_companies":[],"class_list":["post-175562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-price-predictions","editors-julien-leroy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le plus grand exchange cor\u00e9en frapp\u00e9 par un hack de 36 millions de dollars : Upbit g\u00e8le tout<\/title>\n<meta name=\"description\" content=\"Upbit subit un hack de 36 M$ sur un hot wallet Solana et g\u00e8le les retraits. Voici ce que l\u2019on sait et pourquoi le timing est horrible.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cryptonews.com\/fr\/news\/plus-grand-exchange-coreen-frappe-hack-36-millions-dollars-upbit-gele-tout\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le plus grand exchange cor\u00e9en frapp\u00e9 par un hack de 36 millions de dollars : Upbit g\u00e8le tout\" \/>\n<meta property=\"og:description\" content=\"Upbit subit un hack de 36 M$ sur un hot wallet Solana et g\u00e8le les retraits. 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