{"id":55084,"date":"2026-11-05T14:47:39","date_gmt":"2026-11-05T14:47:39","guid":{"rendered":"https:\/\/volity.io\/blog\/bitcoin-crypto-hacks-risks-2\/"},"modified":"2026-11-06T16:42:50","modified_gmt":"2026-11-06T16:42:50","slug":"bitcoin-crypto-hacks-risks","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/actualites\/bitcoin-crypto-hacks-risks\/","title":{"rendered":"Le rebond du Bitcoin face aux piratages crypto et aux risques r\u00e9glementaires"},"content":{"rendered":"<h2>Le rebond fragile des cryptos : piratages, politique et course \u00e0 la confiance institutionnelle<\/h2>\n\n<p><b>5 novembre 2026.<\/b> Les march\u00e9s des cryptomonnaies se remettent de la vague de ventes li\u00e9e aux \u00e9lections de mi-mandat, m\u00eame si la confiance reste fragile. Le Bitcoin se n\u00e9gociait autour de $80 250 jeudi matin, en hausse d&rsquo;environ 2,5 % sur 24 heures.<\/p>\n\n<p>L&rsquo;Ether s&rsquo;\u00e9changeait pr\u00e8s de $2 418, tandis que l&rsquo;indice CoinDesk 80 gagnait environ 0,9 %. Plus t\u00f4t, le bitcoin avait gliss\u00e9 vers $75 700 avant de reprendre le seuil tr\u00e8s surveill\u00e9 des $80 000.<\/p>\n\n<p>Ce mouvement a suivi une s\u00e9ance plus ferme pour les actions am\u00e9ricaines et un retour modeste de l&rsquo;app\u00e9tit pour le risque. Les traders restent pourtant concentr\u00e9s sur le rapport sur l&#8217;emploi de vendredi et ses cons\u00e9quences pour les taux d&rsquo;int\u00e9r\u00eat.<\/p>\n\n<p>Des embauches solides pourraient soutenir le dollar et peser sur les actifs sp\u00e9culatifs. Des chiffres plus faibles pourraient au contraire raviver les anticipations d&rsquo;un argent moins cher et d&rsquo;une liquidit\u00e9 plus abondante.<\/p>\n\n<p>Pour l&rsquo;instant, le bitcoin semble tester un plancher plut\u00f4t que confirmer un nouveau march\u00e9 haussier. Le rebond intervient aussi alors que Washington se montre moins conciliant.<\/p>\n\n<h2>Le Congr\u00e8s remet en jeu les r\u00e8gles de march\u00e9<\/h2>\n\n<p>Les d\u00e9mocrates devraient contr\u00f4ler les deux chambres \u00e0 l&rsquo;issue des \u00e9lections de mi-mandat du 3 novembre. Ce r\u00e9sultat soumet les ambitions du secteur en mati\u00e8re de structure de march\u00e9 \u00e0 une pression nouvelle avant janvier.<\/p>\n\n<p>Le CLARITY Act r\u00e9partirait les comp\u00e9tences entre la Securities and Exchange Commission et la Commodity Futures Trading Commission. Il cr\u00e9erait \u00e9galement des proc\u00e9dures d&rsquo;enregistrement pour les plateformes d&rsquo;\u00e9change, les courtiers et les d\u00e9positaires.<\/p>\n\n<p>Cependant, le texte a besoin de 60 voix au S\u00e9nat. Un pr\u00e9c\u00e9dent vote de proc\u00e9dure n&rsquo;a pas atteint ce seuil, ce qui laisse son avenir incertain.<\/p>\n\n<p>Les entreprises crypto veulent des r\u00e8gles pr\u00e9visibles pour la cotation des jetons, la conservation et le trading. Les investisseurs, eux, veulent savoir si la r\u00e9gulation apportera de la clart\u00e9 ou un nouveau conflit de comp\u00e9tences.<\/p>\n\n<h2>Binance coupe ses connexions avec SignalPlus<\/h2>\n\n<p>Les inqui\u00e9tudes en mati\u00e8re de s\u00e9curit\u00e9 sont brusquement revenues apr\u00e8s que Binance a supprim\u00e9 toutes les cl\u00e9s API li\u00e9es \u00e0 SignalPlus. La plateforme de trading de produits d\u00e9riv\u00e9s avait signal\u00e9 un possible probl\u00e8me de s\u00e9curit\u00e9.<\/p>\n\n<p>Binance a indiqu\u00e9 que ses syst\u00e8mes n&rsquo;\u00e9taient pas touch\u00e9s et que les fonds des clients restaient en s\u00e9curit\u00e9. Deribit a \u00e9galement supprim\u00e9 les cl\u00e9s SignalPlus et n&rsquo;a relev\u00e9 aucun indice de compromission dans sa propre infrastructure.<\/p>\n\n<p>Les utilisateurs ayant connect\u00e9 leurs comptes \u00e0 SignalPlus ont \u00e9t\u00e9 invit\u00e9s \u00e0 v\u00e9rifier directement leurs positions et leurs ordres en cours. Ils ont aussi \u00e9t\u00e9 pri\u00e9s de ne pas se reconnecter tant que SignalPlus n&rsquo;aura pas r\u00e9solu l&rsquo;incident.<\/p>\n\n<p>Cet avertissement fait suite \u00e0 une autre attaque contre Binance, que les enqu\u00eateurs ont estim\u00e9e \u00e0 environ $6,3 milliards. Cet \u00e9pisode a fait des autorisations API un risque de portefeuille, et non plus une simple question d&rsquo;intendance technique.<\/p>\n\n<p>Changpeng Zhao a conseill\u00e9 aux utilisateurs de SignalPlus de r\u00e9voquer leurs cl\u00e9s sur les autres plateformes d&rsquo;\u00e9change. Chaque connexion peut donner \u00e0 un service ext\u00e9rieur un pouvoir r\u00e9el sur les ordres, les soldes ou les informations de compte.<\/p>\n\n<p>Les gros traders s&rsquo;appuient de plus en plus sur l&rsquo;ex\u00e9cution automatis\u00e9e sur plusieurs plateformes. Ce confort \u00e9largit pourtant la surface d&rsquo;attaque, surtout lorsque des prestataires tiers g\u00e8rent des autorisations sensibles.<\/p>\n\n<h2>Les r\u00e9seaux face \u00e0 leurs propres points faibles<\/h2>\n\n<p>Loopscale a suspendu ses activit\u00e9s apr\u00e8s avoir signal\u00e9 jusqu&rsquo;\u00e0 30 000 requ\u00eates API malveillantes par jour. L&rsquo;incident a mis au jour une faiblesse bien connue des infrastructures de la finance d\u00e9centralis\u00e9e.<\/p>\n\n<p>Les protocoles peuvent \u00eatre non d\u00e9positaires, mais leurs interfaces, leurs flux de prix et leurs outils d&rsquo;administration restent souvent centralis\u00e9s. Il suffit aux attaquants de trouver une seule voie mal d\u00e9fendue.<\/p>\n\n<p>ZetaChain a propos\u00e9 de transf\u00e9rer son \u00e9cosyst\u00e8me vers Solana et de fermer son r\u00e9seau layer-1 actuel le 9 d\u00e9cembre. Ce projet pourrait am\u00e9liorer la liquidit\u00e9 et l&rsquo;acc\u00e8s des d\u00e9veloppeurs.<\/p>\n\n<p>Les migrations comportent toutefois leurs propres risques. Les ponts, la prise en charge par les portefeuilles, les cotations sur les plateformes et le rachat des anciens jetons peuvent tous provoquer de brusques perturbations des \u00e9changes.<\/p>\n\n<p>Les traders devraient v\u00e9rifier les adresses de contrat, les conditions de conversion et les dates limites de rachat avant d&rsquo;agir. Une annonce de migration, \u00e0 elle seule, en dit peu sur la mani\u00e8re dont les d\u00e9tenteurs seront r\u00e9ellement trait\u00e9s.<\/p>\n\n<p>Le XRP Ledger a \u00e9galement corrig\u00e9 un bug qui aurait pu permettre la cr\u00e9ation non autoris\u00e9e de jetons. Une faille n&rsquo;a pas besoin d&rsquo;\u00eatre exploit\u00e9e publiquement pour d\u00e9stabiliser un march\u00e9.<\/p>\n\n<p>Une fois les vuln\u00e9rabilit\u00e9s connues, les attaquants peuvent agir plus vite que les d\u00e9tenteurs de jetons. Les investisseurs peuvent aussi int\u00e9grer un risque de dilution dans les prix avant que la menace concr\u00e8te ne se pr\u00e9cise.<\/p>\n\n<p>Zcash, de son c\u00f4t\u00e9, pr\u00e9pare des temps de bloc plus courts pour son prochain cycle de mise \u00e0 niveau. Une confirmation plus rapide pourrait aider les utilisateurs, m\u00eame si les mineurs et les fournisseurs d&rsquo;infrastructure devront adapter leurs syst\u00e8mes.<\/p>\n\n<h2>Les stablecoins se rapprochent des paiements du quotidien<\/h2>\n\n<p>Les nouvelles plus encourageantes sont venues des paiements en stablecoins. Stripe propose des versements en stablecoins adoss\u00e9s au dollar am\u00e9ricain vers des portefeuilles dans plus de 160 march\u00e9s.<\/p>\n\n<p>Ce service pourrait servir \u00e0 la paie, \u00e0 la r\u00e9mun\u00e9ration des cr\u00e9ateurs et aux r\u00e8glements transfrontaliers. Il rapproche aussi les dollars num\u00e9riques de l&rsquo;activit\u00e9 commerciale ordinaire.<\/p>\n\n<p>Le r\u00e9seau Arc de Circle est entr\u00e9 en service, avec des frais de transaction pay\u00e9s en USDC. Les utilisateurs n&rsquo;ont donc pas besoin d&rsquo;acqu\u00e9rir un jeton natif distinct avant d&rsquo;envoyer de l&rsquo;argent.<\/p>\n\n<p>Ce d\u00e9tail peut sembler mineur, mais il supprime un point de friction tenace. Les paiements fonctionnent mieux lorsque les clients n&rsquo;ont pas besoin de comprendre d&rsquo;abord l&rsquo;\u00e9conomie du r\u00e9seau.<\/p>\n\n<p>La Cor\u00e9e du Sud envisage une prise en charge de stablecoins libell\u00e9s en won dans Samsung Wallet, selon un dirigeant de l&rsquo;entreprise. Le projet envelopperait un actif peu familier dans un produit grand public bien connu.<\/p>\n\n<p>Des questions subsistent sur les \u00e9metteurs, la supervision des r\u00e9serves et la protection des consommateurs. Les d\u00e9cideurs publics doivent aussi d\u00e9terminer si ces jetons s&rsquo;apparentent \u00e0 des produits de paiement, \u00e0 des d\u00e9p\u00f4ts ou \u00e0 quelque chose d&rsquo;enti\u00e8rement nouveau.<\/p>\n\n<ul>\n  <li><b>Bitcoin :<\/b> environ $80 250, apr\u00e8s avoir touch\u00e9 pr\u00e8s de $75 700.<\/li>\n  <li><b>Ether :<\/b> environ $2 418 en d\u00e9but de s\u00e9ance jeudi.<\/li>\n  <li><b>Loopscale :<\/b> jusqu&rsquo;\u00e0 30 000 requ\u00eates API malveillantes signal\u00e9es par jour.<\/li>\n  <li><b>ZetaChain :<\/b> date de fermeture du layer-1 propos\u00e9e au 9 d\u00e9cembre.<\/li>\n  <li><b>Stripe :<\/b> versements en stablecoins vers des portefeuilles dans plus de 160 march\u00e9s.<\/li>\n<\/ul>\n\n<h2>Les bilans crypto deviennent des signaux de march\u00e9<\/h2>\n\n<p>American Bitcoin, associ\u00e9e \u00e0 Eric Trump, a annonc\u00e9 un b\u00e9n\u00e9fice de $126 millions au troisi\u00e8me trimestre. La soci\u00e9t\u00e9 a aussi ajout\u00e9 425 bitcoins au cours de la p\u00e9riode.<\/p>\n\n<p>Ces chiffres attireront les investisseurs en actions, mais l&rsquo;\u00e9conomie du minage peut \u00e9voluer rapidement. Le prix du bitcoin, la difficult\u00e9 du r\u00e9seau, le co\u00fbt de l&rsquo;\u00e9nergie et les conditions de financement comptent tous.<\/p>\n\n<p>Trump Media aurait transf\u00e9r\u00e9 4 259 bitcoins vers Crypto.com avant une \u00e9ch\u00e9ance de dette. Ce transfert a aliment\u00e9 les sp\u00e9culations sur une vente ou un montage de financement.<\/p>\n\n<p>Un transfert entre portefeuilles ne prouve pas une cession. Tant que l&rsquo;entreprise n&rsquo;aura pas expliqu\u00e9 ce mouvement, les march\u00e9s le traiteront comme un signal incertain et potentiellement source de volatilit\u00e9.<\/p>\n\n<p>Canton Strategic a \u00e9galement r\u00e9alis\u00e9 ce qu&rsquo;elle a pr\u00e9sent\u00e9 comme les premi\u00e8res transactions d&rsquo;actions am\u00e9ricaines tokenis\u00e9es dans le cadre d&rsquo;une exemption de la SEC. Cette avanc\u00e9e ouvre la voie \u00e0 une version plus ambitieuse de la tokenisation des march\u00e9s.<\/p>\n\n<p>Les actions tokenis\u00e9es pourraient \u00e0 terme raccourcir les d\u00e9lais de r\u00e8glement et \u00e9largir l&rsquo;acc\u00e8s aux actifs illiquides. Le plus difficile reste toutefois la tenue des registres de propri\u00e9t\u00e9, les op\u00e9rations sur titres et les recours juridiques en cas de litige.<\/p>\n\n<h2>Ce que les traders doivent surveiller<\/h2>\n\n<p>Le secteur crypto produit deux r\u00e9cits concurrents. L&rsquo;adoption institutionnelle progresse gr\u00e2ce aux versements en stablecoins, aux titres tokenis\u00e9s et \u00e0 des syst\u00e8mes de trading plus sophistiqu\u00e9s.<\/p>\n\n<p>Dans le m\u00eame temps, les compromissions d&rsquo;API, les requ\u00eates malveillantes et les failles de code r\u00e9v\u00e8lent des fondations fragiles. Le bitcoin a repris les $80 000, mais la prochaine progression exigera plus que de l&rsquo;enthousiasme.<\/p>\n\n<ul>\n  <li>Examinez et r\u00e9voquez les cl\u00e9s API inutilis\u00e9es sur les plateformes d&rsquo;\u00e9change, en particulier celles li\u00e9es \u00e0 des outils de trading tiers.<\/li>\n  <li>V\u00e9rifiez les d\u00e9tails de migration des jetons dans les avis officiels des r\u00e9seaux et des plateformes d&rsquo;\u00e9change.<\/li>\n  <li>Surveillez le rapport sur l&#8217;emploi am\u00e9ricain de vendredi, nouveau catalyseur potentiel pour les taux et le dollar.<\/li>\n  <li>Consid\u00e9rez les transferts de portefeuilles d&rsquo;entreprises comme des indices, et non comme la confirmation de ventes.<\/li>\n  <li>Distinguez l&rsquo;adoption des stablecoins pour les paiements de la sp\u00e9culation sur le prix des jetons.<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading volity-related-coverage\">Articles connexes sur Volity<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/volity.io\/fr\/crypto\/how-to-avoid-crypto-scams\/\">Comment \u00e9viter les arnaques crypto : liste de s\u00e9curit\u00e9 pour d\u00e9butants<\/a><\/li>\n<li><a href=\"https:\/\/volity.io\/fr\/trading-platforms-fr\/how-to-choose-a-trading-platform\/\">Comment choisir une plateforme de trading : une liste de v\u00e9rification en 10 points<\/a><\/li>\n<li><a href=\"https:\/\/volity.io\/fr\/trader\/demo-vs-live-trading-account\/\">D\u00e9mo vs compte de trading r\u00e9el : une liste de v\u00e9rification en 7 \u00e9tapes avant de passer en direct<\/a><\/li>\n<li><a href=\"https:\/\/volity.io\/fr\/trader\/position-sizing-risk-per-trade\/\">Comment dimensionner un trade : taille de position et risque par trade pour d\u00e9butants<\/a><\/li>\n<li><a href=\"https:\/\/volity.io\/fr\/trader\/risk-reward-ratio-explained\/\">Ratio risque-rendement expliqu\u00e9 : comment le d\u00e9finir et pourquoi il compte<\/a><\/li>\n<li><a href=\"https:\/\/volity.io\/fr\/actions\/etf-vs-index-fund\/\">ETF vs fonds indiciel : la diff\u00e9rence et lequel choisir<\/a><\/li>\n<\/ul>\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"NewsArticle\",\"headline\":\"Le rebond du Bitcoin face aux piratages crypto et aux risques r\u00e9glementaires\",\"datePublished\":\"2026-11-05T14:47:39+00:00\",\"dateModified\":\"2026-11-05T14:47:39+00:00\",\"author\":{\"@type\":\"Person\",\"name\":\"Alexander Bennett\",\"url\":\"https:\/\/volity.io\/\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Volity\",\"url\":\"https:\/\/volity.io\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/volity.io\/wp-content\/uploads\/2026\/03\/logo.webp\",\"width\":512,\"height\":512}},\"image\":\"https:\/\/volity.io\/wp-content\/uploads\/2026\/11\/BitcoinReboundRisks-1.webp\",\"mainEntityOfPage\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/volity.io\/fr\/actualites\/bitcoin-crypto-hacks-risks\/\"},\"articleSection\":\"News\",\"inLanguage\":\"fr\"}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Le rebond fragile des cryptos : piratages, politique et course \u00e0 la confiance institutionnelle 5 novembre 2026. Les march\u00e9s des cryptomonnaies se [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":55066,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"custom_schema":"","footnotes":""},"categories":[223],"tags":[],"class_list":["post-55084","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Le rebond du Bitcoin face aux piratages crypto et aux risques r\u00e9glementaires | Volity<\/title>\n<meta name=\"description\" content=\"Le Bitcoin \u00e9volue pr\u00e8s de $80 250 et l&#039;Ether pr\u00e8s de $2 418, tandis que Binance coupe les cl\u00e9s API de SignalPlus et que le CLARITY Act vacille.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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