{"id":22137,"date":"2026-05-26T09:47:51","date_gmt":"2026-05-26T09:47:51","guid":{"rendered":"https:\/\/www.coinspeaker.com\/fr\/?p=22137"},"modified":"2026-05-26T09:50:49","modified_gmt":"2026-05-26T09:50:49","slug":"exploit-polymarket-polygon-sous-tension-apres-un-vol-de-600k","status":"publish","type":"post","link":"https:\/\/www.coinspeaker.com\/fr\/exploit-polymarket-polygon-sous-tension-apres-un-vol-de-600k\/","title":{"rendered":"Exploit Polymarket : Polygon sous tension apr\u00e8s un vol de 600K$"},"content":{"rendered":"<p>La r\u00e9putation de Polygon en tant que couche de r\u00e8glement DeFi fiable est de nouveau mise \u00e0 l&rsquo;\u00e9preuve apr\u00e8s que l&rsquo;enqu\u00eateur on-chain ZachXBT a signal\u00e9 un exploit apparent du contrat Polymarket UMA CTF Adapter. Ce m\u00e9canisme est crucial car il permet de r\u00e9soudre les r\u00e9sultats des march\u00e9s de pr\u00e9diction.<\/p>\r\n<p>Ce dernier piratage sur la plateforme de pr\u00e9diction la plus en vogue a entra\u00een\u00e9 une baisse de pr\u00e8s de -1 % du <strong>POL<\/strong> au cours de la derni\u00e8re heure, le jeton s&rsquo;\u00e9changeant autour de 0,091 $. Toutefois, selon l&rsquo;ampleur des pertes, le cours du POL pourrait encore s&rsquo;enfoncer davantage.<\/p>\r\n<p>Ces incidents r\u00e9p\u00e9t\u00e9s soul\u00e8vent une question structurelle majeure sur le positionnement de Polygon comme cha\u00eene de r\u00e8glement par d\u00e9faut pour les plateformes de pr\u00e9diction et de d\u00e9riv\u00e9s \u00e0 haut profil. On se demande d\u00e9sormais si la feuille de route de d\u00e9veloppement du r\u00e9seau progresse assez vite pour conserver ce statut.<\/p>\r\n<p><blockquote class=\"twitter-tweet\" data-width=\"474\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Warning: <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/hashtag\/Polymarket?src=hash&amp;ref_src=twsrc%5Etfw\">#Polymarket<\/a>&#39;s contract appears to be exploited, and the attacker is stealing funds.<br><br>So far, more than $660K has already been stolen.<br><br>Source: <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/zachxbt?ref_src=twsrc%5Etfw\">@zachxbt<\/a><a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/t.co\/WXvRwtWEFs\">https:\/\/t.co\/WXvRwtWEFs<\/a> <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/t.co\/sIa0FWEEzo\">pic.twitter.com\/sIa0FWEEzo<\/a><\/p>&mdash; Lookonchain (@lookonchain) <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/lookonchain\/status\/2057748590806892802?ref_src=twsrc%5Etfw\">May 22, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\r\n<h2>ZachXBT r\u00e9agit au hack de Polymarket : quels sont les d\u00e9g\u00e2ts ?<\/h2>\r\n<p>L&rsquo;adresse de l&rsquo;attaquant, 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91, a depuis dispers\u00e9 les fonds vers 15 portefeuilles distincts, un sch\u00e9ma classique de blanchiment \u00e0 un stade pr\u00e9coce. Les traders observent d\u00e9sormais avec attention le montant final des dommages et la capacit\u00e9 du POL \u00e0 absorber ce coup port\u00e9 \u00e0 sa r\u00e9putation.<\/p>\r\n<p>Selon l&rsquo;alerte publique de ZachXBT, les attaquants siphonnaient environ 5 000 POL toutes les 30 secondes au moment de l&rsquo;avertissement. Les pertes confirm\u00e9es atteignaient au moins 520 000 $ et grimpaient vers la barre des 600 000 $. La plateforme a pr\u00e9cis\u00e9 que l&rsquo;exploit visait sp\u00e9cifiquement l&rsquo;adaptateur UMA CTF, et non les contrats de base de Polymarket sur Polygon, bien que cette distinction ne soit qu&rsquo;une maigre consolation pour les utilisateurs touch\u00e9s.<\/p>\r\n<p>Cet incident ne survient pas de mani\u00e8re isol\u00e9e : Polymarket a s\u00e9par\u00e9ment confirm\u00e9 des failles de s\u00e9curit\u00e9 li\u00e9es \u00e0 un fournisseur d&rsquo;authentification tiers, identifi\u00e9 comme \u00e9tant Magic Labs, laissant derri\u00e8re lui des portefeuilles USDC vid\u00e9s. Le mois de mai a d\u00e9j\u00e0 enregistr\u00e9 19 piratages DeFi, avec des pertes cumul\u00e9es d&rsquo;environ 38,2 millions de dollars selon les <a href=\"https:\/\/defillama.com\/\" target=\"_blank\" rel=\"noopener\">donn\u00e9es de DeFiLlama<\/a>. Ce contexte fait de cet \u00e9v\u00e9nement un test de r\u00e9sistance pour tout le secteur, et pas seulement pour Polymarket.<\/p>\r\n<p><blockquote class=\"twitter-tweet\" data-width=\"474\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">ZachXBT: Suspected Attack on Polymarket, the World\u2019s Largest Prediction Market  <br><br>According to a ZachXBT community alert, Polymarket\u2019s UMA CTF Adapter contract on the Polygon chain is suspected of being attacked. The incident has resulted in losses exceeding $520k.   <br><br>The\u2026 <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/t.co\/CUw6qtWK8U\">pic.twitter.com\/CUw6qtWK8U<\/a><\/p>&mdash; Wu Blockchain (@WuBlockchain) <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/WuBlockchain\/status\/2057743001879715898?ref_src=twsrc%5Etfw\">May 22, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\r\n<h2>Le prix du POL peut-il r\u00e9sister apr\u00e8s les retomb\u00e9es de Polymarket ?<\/h2>\r\n<p>L&rsquo;analyse des donn\u00e9es on-chain sugg\u00e8re une lecture qualitative : une nouvelle d&rsquo;exploit de cette ampleur, drainant des centaines de milliers de dollars d&rsquo;une application phare de Polygon, g\u00e9n\u00e8re historiquement une pression de vente \u00e0 court terme sur le jeton natif, suivie d&rsquo;une reprise d\u00e9pendant de la rapidit\u00e9 de r\u00e9action du protocole.<\/p>\r\n<p>L&rsquo;infrastructure sous-jacente de Polygon n&rsquo;est cependant pas fig\u00e9e. <a href=\"https:\/\/www.coinspeaker.com\/polygon-giugliano-hardfork-faster-finality\/\" target=\"_blank\" rel=\"noopener\">Le r\u00e9cent hard fork Giugliano du r\u00e9seau visait une finalit\u00e9 plus rapide<\/a>, une mise \u00e0 jour cruciale puisque la vitesse de r\u00e8glement est au c\u0153ur de la fiabilit\u00e9 des march\u00e9s de pr\u00e9diction. Ce catalyseur technique pourrait offrir un support au POL si le sentiment du march\u00e9 se stabilise.<\/p>\r\n<p>Trois sc\u00e9narios semblent d\u00e9sormais plausibles. Dans le cas haussier (bull case), le programme de bug bounty Cantina de 5 millions de dollars de Polymarket, qui couvre les vuln\u00e9rabilit\u00e9s critiques des smart contracts, permet d&rsquo;identifier et de corriger rapidement la faille de l&rsquo;adaptateur, restaurant ainsi la confiance et permettant au POL de r\u00e9cup\u00e9rer ses pertes en quelques jours.<\/p>\r\n<p><blockquote class=\"twitter-tweet\" data-width=\"474\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Polymarket\u2019s UMA CTF Adapter is being exploited on Polygon \u2014 attacker draining 5,000 <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/search?q=%24POL&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$POL<\/a> every 30 seconds, $520K+ stolen so far (Santiment MCP + Claude):<br>\u2696\ufe0f <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/search?q=%24UMA&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$UMA<\/a> price reaction: $0.477 (07:00 UTC) \u2192 $0.462 (09:00 UTC), -3.3% as the exploit unfolded.<br>\ud83d\udcca <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/search?q=%24POL&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$POL<\/a> price over the same\u2026 <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/t.co\/KhcaeEK4BD\">pic.twitter.com\/KhcaeEK4BD<\/a><\/p>&mdash; Santiment Intelligence (@SantimentData) <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/SantimentData\/status\/2057759578431926708?ref_src=twsrc%5Etfw\">May 22, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\r\n<p>Le sc\u00e9nario de base pr\u00e9voit que Polygon \u00e9volue lat\u00e9ralement pendant la dur\u00e9e de l&rsquo;enqu\u00eate, les acteurs institutionnels attendant des engagements de remboursement avant de se r\u00e9engager. Enfin, le sc\u00e9nario baissier (qui invaliderait toute th\u00e8se de reprise rapide) est simple : si les pertes totales d\u00e9passent les chiffres annonc\u00e9s ou si d&rsquo;autres contrats s&rsquo;av\u00e8rent vuln\u00e9rables, la pression vendeuse deviendra la voie de moindre r\u00e9sistance.<\/p>\r\n<p>Il convient \u00e9galement de se demander si une plateforme qui aurait laiss\u00e9 certains comptes d&rsquo;utilisateurs avec <a href=\"https:\/\/www.reddit.com\/r\/CryptoScams\/comments\/1pjvu3m\/my_polymarket_smart_wallet_was_drained_via\/\" target=\"_blank\" rel=\"noopener\">des soldes aussi bas que 0,01 $<\/a> apr\u00e8s un acc\u00e8s non autoris\u00e9 peut encore pr\u00e9tendre que sa conception non-custodiale est intacte. <a href=\"https:\/\/www.coinspeaker.com\/doj-arrests-soldier-polymarket-classified-intel\/\" target=\"_blank\" rel=\"noopener\">Polymarket a d\u00e9j\u00e0 fait face \u00e0 des pressions r\u00e9glementaires et juridiques<\/a> ; cet \u00e9pisode s\u00e9curitaire ajoute une couche de pression op\u00e9rationnelle suppl\u00e9mentaire.<\/p>\r\n<h2>Bitcoin Hyper vise les opportunit\u00e9s pr\u00e9coces alors que Polygon teste sa cr\u00e9dibilit\u00e9<\/h2>\r\n\r\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.coinspeaker.com\/fr\/wp-content\/uploads\/sites\/6\/2026\/05\/content-img-1-13.jpg\" alt=\"\" \/><\/figure>\r\n\r\n<p>La lassitude face aux exploits est une r\u00e9alit\u00e9. Lorsqu&rsquo;une application phare d&rsquo;une blockchain DeFi majeure subit des incidents de s\u00e9curit\u00e9 successifs, des siphonnages de smart contracts et des failles d&rsquo;authentification dans le m\u00eame cycle, une partie des capitaux se tourne in\u00e9vitablement vers des infrastructures per\u00e7ues comme moins expos\u00e9es. Cette rotation a historiquement b\u00e9n\u00e9fici\u00e9 aux projets en phase de d\u00e9marrage qui construisent au niveau de la couche protocolaire plut\u00f4t qu&rsquo;applicative.<\/p>\r\n<p><a href=\"\/fr\/go\/bitcoinhyper\" target=\"_blank\" rel=\"nofollow sponsored\">Bitcoin Hyper ($HYPER)<\/a> se positionne pr\u00e9cis\u00e9ment \u00e0 cette intersection : une Layer 2 Bitcoin int\u00e9grant la Solana Virtual Machine (SVM), con\u00e7ue pour apporter l&rsquo;ex\u00e9cution rapide des smart contracts \u00e0 la base s\u00e9curis\u00e9e de Bitcoin, sans les compromis de garde qui semblent hanter l&rsquo;architecture de Polymarket.<\/p>\r\n<p>La pr\u00e9vente a d\u00e9j\u00e0 lev\u00e9 32 726 397,59 $ avec un prix actuel du jeton \u00e0 0,0136804 $, offrant des r\u00e9compenses de staking aux premiers participants. L&rsquo;int\u00e9gration de la SVM est l&rsquo;argument technique principal, promettant une finalit\u00e9 en moins d&rsquo;une seconde sur le mod\u00e8le de confiance de Bitcoin.<\/p>\r\n<p>Pour les investisseurs qui \u00e9tudient l&rsquo;exposition aux couches d&rsquo;infrastructure avant un potentiel cycle de l&rsquo;\u00e9cosyst\u00e8me Bitcoin, le projet <a rel=\"nofollow sponsored\" href=\"\/fr\/go\/bitcoinhyper\"><strong>Bitcoin Hyper<\/strong><\/a> m\u00e9rite examen.<\/p><a class=\"infinscroll_next_page_link\" style=\"display:none\" href=\"https:\/\/www.coinspeaker.com\/fr\/hyperliquid-bondit-prevente-liquidchain-layer-3-tokenomics\/\" rel=\"prev\">next<\/a>","protected":false},"excerpt":{"rendered":"<p>Polymarket victime d&rsquo;un hack de 600 000 $. Le jeton POL de Polygon chute alors que l&rsquo;enqu\u00eate de ZachXBT r\u00e9v\u00e8le des failles critiques du contrat UMA.<\/p>\n","protected":false},"author":200,"featured_media":22135,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-22137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Polygon sous tension apr\u00e8s un vol de 600K$<\/title>\n<meta name=\"description\" content=\"Polymarket victime d&#039;un hack de 600K$. 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Je souhaite y apporter mon approche analytique et rationnelle, tout en conservant ma curiosit\u00e9. En dehors de l\u2019\u00e9cran, je lis beaucoup (\u00e9conomie, essais, un peu de science-fiction) et je prends plaisir \u00e0 bricoler. 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