{"id":32748,"date":"2026-04-15T17:58:14","date_gmt":"2026-04-15T17:58:14","guid":{"rendered":"https:\/\/99bitcoins.com\/fr\/?p=32748"},"modified":"2026-04-15T09:18:07","modified_gmt":"2026-04-15T09:18:07","slug":"polkadot-piratage-dun-bridge-rapproche-le-dot-de-1","status":"publish","type":"post","link":"https:\/\/99bitcoins.com\/fr\/actu\/polkadot-piratage-dun-bridge-rapproche-le-dot-de-1\/","title":{"rendered":"Analyse du prix de Polkadot : le piratage d&rsquo;un bridge rapproche le DOT de 1 $"},"content":{"rendered":"<p>Le prix de Polkadot panse ses plaies aujourd&rsquo;hui. Le jeton DOT s&rsquo;\u00e9change \u00e0 1,18 $, en baisse d&rsquo;environ 0,5 % au cours des derni\u00e8res 24 heures, apr\u00e8s qu&rsquo;une faille confirm\u00e9e a secou\u00e9 l&rsquo;\u00e9cosyst\u00e8me DOT dans la nuit, dont les ondes de choc continuent de se propager sur les march\u00e9s crypto ce 14 avril.<\/p>\n<p>Le tracker de blockchain <a class=\"general-link\" href=\"https:\/\/twitter.com\/lookonchain\/status\/2043558598111048126\" target=\"_blank\" rel=\"noopener nofollow\">Lookonchain<\/a> a r\u00e9v\u00e9l\u00e9 que des pirates ont exploit\u00e9 un contrat passerelle Hyperbridge pour cr\u00e9er environ 1 milliard de jetons DOT sur Ethereum \u2014 une injection massive et non autoris\u00e9e de l&rsquo;offre. L&rsquo;attaquant a ensuite revendu l&rsquo;int\u00e9gralit\u00e9 du lot en une seule transaction, repartant avec environ 108 ETH, d&rsquo;une valeur de ~237 000 $.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Polkadot(<a href=\"https:\/\/twitter.com\/Polkadot?ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">@Polkadot<\/a>) has been exploited. \ud83d\udea8<\/p>\n<p>The attacker minted 1B <a href=\"https:\/\/twitter.com\/search?q=%24DOT&amp;src=ctag&amp;ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">$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\" rel=\"nofollow\" target=\"_blank\">$ETH<\/a>($237K).<a href=\"https:\/\/t.co\/4pStYrGb8y\" rel=\"nofollow\" target=\"_blank\">https:\/\/t.co\/4pStYrGb8y<\/a> <a href=\"https:\/\/t.co\/wRplAWNnBg\" rel=\"nofollow\" target=\"_blank\">pic.twitter.com\/wRplAWNnBg<\/a><\/p>\n<p>&mdash; Lookonchain (@lookonchain) <a href=\"https:\/\/twitter.com\/lookonchain\/status\/2043558598111048126?ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">April 13, 2026<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>La soci\u00e9t\u00e9 de s\u00e9curit\u00e9 CertiK a confirm\u00e9 plus tard que la vuln\u00e9rabilit\u00e9 provenait d&rsquo;une fonction de frappe (mint) d&rsquo;un smart contract. L&rsquo;\u00e9quipe de Polkadot a r\u00e9agi rapidement, affirmant que seul le DOT sur Ethereum \u00e9tait affect\u00e9 et que le r\u00e9seau principal de Polkadot restait s\u00e9curis\u00e9.<\/p>\n<p>Pendant ce temps, le cours du Bitcoin se maintenait pr\u00e8s de 71 100 $ le 13 avril, avant une hausse nocturne de +5,5 % qui a vu le BTC USD grimper au-dessus de 75 500 $, avec plus de 100 milliards $ ajout\u00e9s \u00e0 la capitalisation totale du march\u00e9 crypto au cours des derni\u00e8res 24 heures.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-343682  aligncenter\" src=\"https:\/\/99bitcoins.com\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-14-at-07.16.40-scaled.png\" alt=\"Le prix de Polkadot s'\u00e9change \u00e0 son point le plus bas historique, le r\u00e9cent piratage du bridge pesant sur le cours alors m\u00eame que le Bitcoin repasse au-dessus de 75 000 $\" width=\"1343\" height=\"666\" \/><\/p>\n<p style=\"text-align: center\">(<a class=\"general-link\" href=\"https:\/\/www.tradingview.com\/symbols\/DOTUSD\/\" target=\"_blank\" rel=\"noopener nofollow\">SOURCE : TradingView<\/a>)<\/p>\n<h2>Le cours de Polkadot peut-il se redresser apr\u00e8s l&rsquo;exploitation, ou les 1,00 $ sont-ils le prochain test ?<\/h2>\n<p>Le DOT a subi une chute douloureuse : bien qu&rsquo;il progresse de +0,6 % en 24 heures, il affiche un krach de pr\u00e8s de -20 % sur le mois \u00e9coul\u00e9. Ce ne sont pas des chiffres n\u00e9gligeables pour un projet qui figurait autrefois dans le top 10. \u00c0 1,18 $, le jeton s&rsquo;\u00e9change \u00e0 son niveau le plus bas depuis des ann\u00e9es.<\/p>\n<p>Cependant, un chiffre va \u00e0 l&rsquo;encontre du sc\u00e9nario purement baissier. Le volume de transactions sur 24 heures a bondi de +53 % pour atteindre 215,5 millions $, signe que si certains d\u00e9tenteurs vendent par panique, d&rsquo;autres cherchent activement un rebond. Un volume \u00e9lev\u00e9 lors d&rsquo;une chute de prix signale souvent une capitulation, qui peut pr\u00e9c\u00e9der une reprise. Ou cela peut signaler une distribution. L&rsquo;ambigu\u00eft\u00e9 r\u00e9side pr\u00e9cis\u00e9ment l\u00e0.<\/p>\n<p>Sur le plan technique, 1,00 $ est le niveau de support psychologique \u00e0 surveiller. Une cl\u00f4ture sous ce chiffre rond d\u00e9clencherait probablement une nouvelle vague d&rsquo;ordres stop et une d\u00e9t\u00e9rioration du sentiment de march\u00e9.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\"><a href=\"https:\/\/twitter.com\/search?q=%24DOT&amp;src=ctag&amp;ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">$DOT<\/a> lost $6 billion in valuation in one year.<\/p>\n<p>From $10.50 to $1.18 with a slow, painful staircase down.<\/p>\n<p>And now their &quot;unhackable&quot; bridge just got exploited for $237K by someone who spent $0.74 in gas.<\/p>\n<p>Polkadot keeps shipping tech updates. <\/p>\n<p>Halving in March. <br \/>New staking\u2026 <a href=\"https:\/\/t.co\/e3FZ8R5xn5\" rel=\"nofollow\" target=\"_blank\">pic.twitter.com\/e3FZ8R5xn5<\/a><\/p>\n<p>&mdash; Chirag Sharma (@chiragSharma_17) <a href=\"https:\/\/twitter.com\/chiragSharma_17\/status\/2043586001805902003?ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">April 13, 2026<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>L&rsquo;argument baissier est direct : l&rsquo;incertitude persistante quant \u00e0 l&rsquo;ampleur r\u00e9elle de la faille, combin\u00e9e au souvenir r\u00e9cent du piratage de Drift (280 millions $ de pertes), maintient l&rsquo;app\u00e9tit pour le risque \u00e0 un niveau bas pour les r\u00e9seaux ayant subi une exploitation.<\/p>\n<p>Le sc\u00e9nario de base suppose que les dommages restent contenus, que la faible liquidit\u00e9 a limit\u00e9 le gain r\u00e9el de l&rsquo;attaquant \u00e0 ~237 000 $ malgr\u00e9 la cr\u00e9ation d&rsquo;un milliard de jetons, et que le DOT se stabilise dans la fourchette de 1,10 $ \u00e0 1,25 $ \u00e0 mesure que la situation s&rsquo;\u00e9claircit.<\/p>\n<p>Le sc\u00e9nario haussier pour Polkadot n\u00e9cessite un correctif confirm\u00e9, une analyse post-mortem cr\u00e9dible de l&rsquo;\u00e9quipe et un soutien du march\u00e9 global.<\/p>\n<p><strong>D\u00c9COUVREZ : <a class=\"general-link\" href=\"https:\/\/99bitcoins.com\/fr\/crypto-monnaie\/cryptos-qui-vont-exploser\/\" target=\"_blank\" rel=\"nofollow noopener sponsored\">La prochaine crypto \u00e0 exploser en 2026<\/a><\/strong><\/p>\n<h2>Bitcoin Hyper vise un potentiel de croissance pr\u00e9coce alors que Polkadot teste des niveaux cl\u00e9s<\/h2>\n<\/p>\n<p>Voir une faille d\u00e9vaster le prix d&rsquo;un jeton en quelques heures est un rappel utile de ce \u00e0 quoi ressemble le risque concentr\u00e9 li\u00e9 aux smart contracts \u00e0 grande \u00e9chelle.<\/p>\n<p>Pour les traders qui r\u00e9\u00e9valuent l&rsquo;allocation de leur capital \u00e0 risque, le contraste avec les projets d&rsquo;infrastructure \u00e0 un stade pr\u00e9coce m\u00e9rite d&rsquo;\u00eatre pris en compte, en particulier ceux qui s&rsquo;appuient sur le mod\u00e8le de s\u00e9curit\u00e9 \u00e9prouv\u00e9 de Bitcoin.<\/p>\n<p><a class=\"general-link\" href=\"http:\/\/www.99bitcoins.com\/fr\/visit\/bitcoinhyper\" target=\"_blank\" rel=\"nofollow noopener sponsored\">Bitcoin Hyper ($HYPER)<\/a> est l&rsquo;un de ces projets qui attire l&rsquo;attention des investisseurs. Il se pr\u00e9sente comme la toute premi\u00e8re couche 2 de Bitcoin avec int\u00e9gration de la machine virtuelle Solana (SVM), promettant une finalit\u00e9 de transaction en moins d&rsquo;une seconde et une ex\u00e9cution de smart contracts \u00e0 faible co\u00fbt, tout en \u00e9tant ancr\u00e9 \u00e0 la s\u00e9curit\u00e9 de la couche de base de Bitcoin.<\/p>\n<p>Les chiffres de la pr\u00e9vente sont concrets : un prix actuel de 0,0136785 $, avec plus de 32 millions $ r\u00e9colt\u00e9s \u00e0 ce jour. Le staking est d\u00e9j\u00e0 actif avec un APY \u00e9lev\u00e9, et le bridge canonique d\u00e9centralis\u00e9 du projet permet des transferts natifs de BTC vers l&rsquo;\u00e9cosyst\u00e8me.<\/p>\n<p>Comme indiqu\u00e9 dans une <a class=\"noopener\" href=\"https:\/\/99bitcoins.com\/news\/pr-news\/bitcoin-drops-below-71k-as-oil-shock-hits-markets-but-hypers-presale-keeps-drawing-attention\/\" target=\"_blank\" rel=\"nofollow noopener sponsored\">analyse pr\u00e9c\u00e9dente<\/a>, la pr\u00e9vente a maintenu son \u00e9lan m\u00eame pendant la volatilit\u00e9 du Bitcoin, signe d&rsquo;une demande r\u00e9elle et non d&rsquo;un simple engouement m\u00e9diatique.<\/p>\n<p style=\"text-align: center\"><strong><a class=\"general-link\" href=\"http:\/\/www.99bitcoins.com\/fr\/visit\/bitcoinhyper\" target=\"_blank\" rel=\"nofollow noopener sponsored\">Visitez le site de la pr\u00e9vente Bitcoin Hyper ici<\/a><\/strong><\/p>\n<p><strong>Suivez 99Bitcoins sur <a class=\"general-link\" href=\"https:\/\/twitter.com\/99BitcoinsHQ\" target=\"_blank\" rel=\"nofollow noopener\">X (Twitter)<\/a> pour les derni\u00e8res mises \u00e0 jour du march\u00e9, et abonnez-vous sur <a class=\"general-link\" href=\"https:\/\/www.youtube.com\/c\/99Bitcoins\" target=\"_blank\" rel=\"nofollow noopener\">YouTube<\/a> pour des analyses quotidiennes d&rsquo;experts.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polkadot chute de 4 % \u00e0 1,18 $ apr\u00e8s que des hackers ont g\u00e9n\u00e9r\u00e9 1 milliard de jetons DOT via une faille sur Hyperbridge. Analyse compl\u00e8te du cours, sc\u00e9narios de reprise et niveaux de support cl\u00e9s pour le 14 avril.<\/p>\n","protected":false},"author":135978,"featured_media":32743,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"coin":[15],"class_list":["post-32748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Polkadot : le piratage d&#039;un bridge rapproche le DOT de 1 $<\/title>\n<meta name=\"description\" content=\"Le prix de Polkadot panse ses plaies aujourd&#039;hui. 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