{"id":54157,"date":"2026-09-27T13:49:20","date_gmt":"2026-09-27T13:49:20","guid":{"rendered":"https:\/\/volity.io\/blog\/bitcoin-etf-inflows-surge-2\/"},"modified":"2026-09-27T17:17:29","modified_gmt":"2026-09-27T17:17:29","slug":"bitcoin-etf-inflows-surge","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/actualites\/bitcoin-etf-inflows-surge\/","title":{"rendered":"ETF Bitcoin : les flux s&rsquo;envolent, les risques de s\u00e9curit\u00e9 grandissent"},"content":{"rendered":"<h2>Le test du dimanche pour la crypto : l&rsquo;argent afflue, la confiance vacille<\/h2>\n\n<p><b>Le Bitcoin attire les capitaux institutionnels, tandis que les garanties tokenis\u00e9es et les r\u00e8gles sur les stablecoins se rapprochent de la finance du quotidien.<\/b> Le piratage de Bitget rappelle pourtant aux traders que des rails num\u00e9riques rapides peuvent aussi faire circuler de l&rsquo;argent vol\u00e9 avec une facilit\u00e9 inqui\u00e9tante.<\/p>\n\n<p>Le march\u00e9 de ce dimanche ne manque pas de carburant haussier. Ce carburant c\u00f4toie cependant des inqui\u00e9tudes croissantes sur la conservation des actifs, la gouvernance des protocoles et la solidit\u00e9 de la tuyauterie op\u00e9rationnelle de la crypto.<\/p>\n\n<h2>Le Bitcoin trouve preneur pendant que les mineurs all\u00e8gent leurs r\u00e9serves<\/h2>\n\n<p>Le Bitcoin a bri\u00e8vement d\u00e9pass\u00e9 <b>$87 000<\/b> cette semaine, port\u00e9 par de lourds achats dans les ETF au comptant cot\u00e9s aux \u00c9tats-Unis.<\/p>\n\n<p>Ces fonds ont absorb\u00e9 environ $1,7 milliard en deux s\u00e9ances. Les entr\u00e9es hebdomadaires ont atteint pr\u00e8s de $2,39 milliards, selon des estimations de march\u00e9.<\/p>\n\n<p>Un autre rapport a chiffr\u00e9 les entr\u00e9es ult\u00e9rieures dans les ETF Bitcoin \u00e0 $5,3 milliards apr\u00e8s l&rsquo;annonce d&rsquo;un rachat de titres par le Tr\u00e9sor am\u00e9ricain. Ces chiffres t\u00e9moignent d&rsquo;une demande persistante pour une exposition r\u00e9glement\u00e9e au Bitcoin.<\/p>\n\n<p>L&rsquo;\u00e9volution des cours est toutefois devenue moins confortable. Le Bitcoin a but\u00e9 \u00e0 plusieurs reprises autour de $85 000, et les indicateurs de momentum \u00e0 court terme se sont affaiblis.<\/p>\n\n<p>Certains d\u00e9tenteurs ont commenc\u00e9 \u00e0 prendre leurs b\u00e9n\u00e9fices apr\u00e8s la derni\u00e8re hausse. Les traders surveillent d\u00e9sormais le niveau de $83 000, premier support significatif sous les cours.<\/p>\n\n<p>Une cassure durable sous ce seuil mettrait \u00e0 l&rsquo;\u00e9preuve la confiance dans le rallye. \u00c0 l&rsquo;inverse, un retour net au-dessus de $85 000 pourrait faire revenir les acheteurs de momentum.<\/p>\n\n<p>Les donn\u00e9es mini\u00e8res ajoutent un autre signal de prudence. Le hashrate du r\u00e9seau est tomb\u00e9 \u00e0 son plus bas niveau en trois semaines, tandis que les mineurs r\u00e9duisaient leurs soldes en Bitcoin.<\/p>\n\n<p>Les variations du hashrate refl\u00e8tent souvent la maintenance, le co\u00fbt de l&rsquo;\u00e9nergie ou la m\u00e9t\u00e9o. Reste que les ventes des mineurs ajoutent de l&rsquo;offre alors que le march\u00e9 d\u00e9pend d\u00e9j\u00e0 de la demande des ETF.<\/p>\n\n<h2>Les garanties tokenis\u00e9es se rapprochent de la production<\/h2>\n\n<p>Le changement le plus important se joue peut-\u00eatre loin des \u00e9crans de trading. Selon Citi, 77 % des institutions financi\u00e8res s&rsquo;attendent \u00e0 utiliser des garanties tokenis\u00e9es en 2026.<\/p>\n\n<p>La tokenisation place des titres ou d&rsquo;autres cr\u00e9ances financi\u00e8res sur des syst\u00e8mes fond\u00e9s sur la blockchain. Les institutions peuvent alors transf\u00e9rer, nantir et r\u00e9gler ces cr\u00e9ances plus rapidement.<\/p>\n\n<p>Les \u00e9conomies de back-office restent le principal attrait. Des transferts de garanties plus rapides peuvent r\u00e9duire les besoins en capital et raccourcir les d\u00e9lais de r\u00e8glement pendant les p\u00e9riodes de volatilit\u00e9.<\/p>\n\n<p>Les entreprises crypto se positionnent d\u00e9sormais sur le m\u00eame cr\u00e9neau. Le directeur g\u00e9n\u00e9ral de Backpack a pr\u00e9sent\u00e9 des projets pouvant aller jusqu&rsquo;\u00e0 10 000 actions tokenis\u00e9es sur Solana.<\/p>\n\n<p>Parall\u00e8lement, Aave V4 pr\u00e9pare la prise en charge des actions tokenis\u00e9es de Coinbase. Ethena pr\u00e9voit aussi d&rsquo;\u00e9tendre son mod\u00e8le de trading autour de l&rsquo;USDe aux actions am\u00e9ricaines tokenis\u00e9es.<\/p>\n\n<p>De tels produits pourraient \u00e9largir le r\u00f4le de la crypto au-del\u00e0 des jetons natifs. Ils pourraient aussi faire entrer des cr\u00e9ances sur actions, des garanties et des produits de rendement sur les r\u00e9seaux publics.<\/p>\n\n<p>Les risques voyagent avec eux. Un enregistrement sur la blockchain ne peut garantir ni la solvabilit\u00e9 de l&rsquo;\u00e9metteur, ni une conservation saine, ni la pr\u00e9sence d&rsquo;acheteurs lors d&rsquo;un choc de march\u00e9.<\/p>\n\n<p>Les investisseurs doivent toujours examiner l&rsquo;actif sous-jacent et la cr\u00e9ance juridique. Le jeton ne vaut que par la structure qui le soutient.<\/p>\n\n<h2>Le piratage de Bitget relance le d\u00e9bat sur la d\u00e9centralisation<\/h2>\n\n<p>Selon Bitget, des attaquants ont d\u00e9tourn\u00e9 environ <b>$351,6 millions<\/b> depuis des portefeuilles chauds et ti\u00e8des sur plusieurs r\u00e9seaux.<\/p>\n\n<p>Les r\u00e9seaux touch\u00e9s comprennent Ethereum, XRP Ledger, Arbitrum, Avalanche, Optimism, BNB Chain et Base.<\/p>\n\n<p>Selon les enqu\u00eateurs, les attaquants ont compromis un syst\u00e8me de portefeuilles en back-end et falsifi\u00e9 des informations de transfert. Cela aurait d\u00e9clench\u00e9 le processus d&rsquo;autorisation interne de la plateforme.<\/p>\n\n<p>Bitget a \u00e9voqu\u00e9 des similitudes pr\u00e9liminaires avec de pr\u00e9c\u00e9dentes op\u00e9rations li\u00e9es \u00e0 la Cor\u00e9e du Nord. L&rsquo;attribution n&rsquo;est toutefois pas confirm\u00e9e.<\/p>\n\n<p>Des analystes on-chain ont suivi une partie des actifs vol\u00e9s, \u00e9chang\u00e9s contre du Bitcoin. TRM Labs indique que des fonds sont pass\u00e9s par THORChain.<\/p>\n\n<p>GoPlus a signal\u00e9 que 101,5 BTC li\u00e9s \u00e0 l&rsquo;incident sont sortis par ce protocole. La soci\u00e9t\u00e9 a \u00e9galement rep\u00e9r\u00e9 27,63 millions de XRP en route vers le Bitcoin.<\/p>\n\n<p>Ces chiffres montrent l&rsquo;activit\u00e9 observ\u00e9e des portefeuilles, pas la destination finale du butin. Ils ne couvrent pas non plus la totalit\u00e9 des actifs d\u00e9rob\u00e9s.<\/p>\n\n<p>Le piratage a rouvert une question inconfortable pour les protocoles sans permission. La r\u00e9sistance \u00e0 la censure doit-elle s&rsquo;appliquer de la m\u00eame mani\u00e8re lorsque des fonds sont manifestement vol\u00e9s ?<\/p>\n\n<p>THORChain affirme ne pas pouvoir contr\u00f4ler chaque utilisateur ni chaque transaction. Selon ses d\u00e9tracteurs, cet argument devient plus difficile \u00e0 tenir quand les flux criminels se r\u00e9p\u00e8tent.<\/p>\n\n<p>Bitget offre une prime de 5 % pour toute aide au gel ou \u00e0 la r\u00e9cup\u00e9ration des actifs. La plateforme pr\u00e9voit une reprise progressive des retraits \u00e0 partir du 28 septembre.<\/p>\n\n<p>La le\u00e7on imm\u00e9diate est simple. Les d\u00e9p\u00f4ts sur une plateforme d&rsquo;\u00e9change sont des cr\u00e9ances sur cette plateforme, pas l&rsquo;\u00e9quivalent d&rsquo;une auto-conservation.<\/p>\n\n<h2>Les stablecoins s&rsquo;approchent d&rsquo;un cadre plus strict<\/h2>\n\n<p>Les r\u00e9gulateurs des \u00c9tats-Unis avancent eux aussi sur la supervision des stablecoins. La R\u00e9serve f\u00e9d\u00e9rale a r\u00e9dig\u00e9 des r\u00e8gles pour les \u00e9metteurs supervis\u00e9s de stablecoins de paiement.<\/p>\n\n<p>La proposition exigerait une couverture int\u00e9grale par des actifs autoris\u00e9s. Les bons du Tr\u00e9sor am\u00e9ricain \u00e0 court terme et d&rsquo;autres avoirs tr\u00e8s liquides seraient \u00e9ligibles.<\/p>\n\n<p>Les \u00e9metteurs seraient aussi soumis \u00e0 des exigences de fonds propres et de gestion des risques. Une proposition distincte concerne les filiales bancaires qui souhaitent \u00eatre autoris\u00e9es \u00e0 \u00e9mettre des stablecoins.<\/p>\n\n<p>La Cor\u00e9e du Sud \u00e9tudie des r\u00e8gles de liquidit\u00e9 pour les stablecoins libell\u00e9s en wons. Ailleurs, Circle a obtenu un nouveau soutien de Binance face au leader du march\u00e9, Tether.<\/p>\n\n<p>Circle finance \u00e9galement des essais de paiement associant le Programme des Nations unies pour le d\u00e9veloppement et le Programme alimentaire mondial. Ces projets pr\u00e9sentent les stablecoins comme une infrastructure de r\u00e8glement, et non comme de simples jetons de trading.<\/p>\n\n<p>Cette \u00e9volution rel\u00e8ve le niveau d&rsquo;exigence pour chaque \u00e9metteur. Les traders jugeront de plus en plus les jetons \u00e0 l&rsquo;aune de leurs r\u00e9serves, de leur capacit\u00e9 de remboursement et de leur juridiction de rattachement.<\/p>\n\n<h2>Les altcoins grimpent, la sp\u00e9culation s&rsquo;\u00e9chauffe<\/h2>\n\n<p>Le march\u00e9 des altcoins aurait gagn\u00e9 $371 milliards de capitalisation, tandis que 87 % des participants interrog\u00e9s sont devenus haussiers.<\/p>\n\n<p>Quant, Ethena et Bitway ont men\u00e9 les gains de la semaine. Zcash a doubl\u00e9 en un mois apr\u00e8s que son cofondateur a r\u00e9it\u00e9r\u00e9 un objectif de cours de $5 000.<\/p>\n\n<p>Des gains rapides peuvent attirer les traders de momentum. Ils peuvent aussi transformer une tendance solide en position surcharg\u00e9e en quelques heures.<\/p>\n\n<p>La mise \u00e0 niveau Alpenglow de Solana a atteint le devnet, avec une finalit\u00e9 vis\u00e9e proche de 150 millisecondes. Si les tests se confirment, elle pourrait renforcer les arguments de Solana dans les paiements et le trading.<\/p>\n\n<p>L&rsquo;offre de stablecoins sur XRP Ledger a progress\u00e9 de 6 %, le RLUSD de Ripple approchant les $2,5 milliards. Polygon a aussi fait \u00e9tat d&rsquo;un d\u00e9bit de canaux de paiement de 11 millions de mises \u00e0 jour par seconde sur 25 hubs.<\/p>\n\n<p>Ces mesures de performance appellent \u00e0 la prudence, surtout avant des essais en production \u00e0 grande \u00e9chelle. La vitesse en laboratoire et les performances sur un march\u00e9 sous tension se ressemblent rarement.<\/p>\n\n<p>M\u00eame les memecoins font l&rsquo;objet d&rsquo;un examen plus s\u00e9v\u00e8re. Jason Calacanis les a qualifi\u00e9s de \u00ab gigantesque arnaque \u00bb, tandis que Pump.fun a transf\u00e9r\u00e9 $5,83 millions de SOL vers Kraken.<\/p>\n\n<p>Ce transfert ne prouve pas qu&rsquo;une vente se pr\u00e9pare. Les traders ont toutefois tendance \u00e0 surveiller de pr\u00e8s les portefeuilles qui envoient des fonds vers les plateformes d&rsquo;\u00e9change lorsque le sentiment tourne \u00e0 l&rsquo;euphorie.<\/p>\n\n<h2>Ce que surveillent les traders<\/h2>\n\n<ul>\n  <li><b>Bitcoin :<\/b> les entr\u00e9es dans les ETF face aux ventes des mineurs et aux prises de b\u00e9n\u00e9fices pr\u00e8s de $83 000.<\/li>\n  <li><b>Plateformes d&rsquo;\u00e9change :<\/b> les mises \u00e0 jour sur les retraits et les communications sur la s\u00e9curit\u00e9 des portefeuilles apr\u00e8s le piratage de Bitget.<\/li>\n  <li><b>Stablecoins :<\/b> les r\u00e8gles sur les r\u00e9serves, les conditions de remboursement et les juridictions des \u00e9metteurs.<\/li>\n  <li><b>Actifs tokenis\u00e9s :<\/b> les cr\u00e9ances juridiques, les modalit\u00e9s de conservation et la liquidit\u00e9 r\u00e9elle du march\u00e9.<\/li>\n  <li><b>Altcoins :<\/b> si la hausse des volumes soutient les gains ou ne fait qu&rsquo;amplifier des positions trop encombr\u00e9es.<\/li>\n<\/ul>\n\n<p>La crypto entame la semaine tiraill\u00e9e entre trois forces : la demande institutionnelle, une r\u00e9glementation en construction et un regain d&rsquo;inqui\u00e9tude sur la s\u00e9curit\u00e9.<\/p>\n\n<p>Le Bitcoin a besoin des acheteurs d&rsquo;ETF pour absorber l&rsquo;offre. Les protocoles doivent prouver que l&rsquo;ouverture ne se transforme pas en impuissance.<\/p>\n\n<p>Dans le m\u00eame temps, les \u00e9metteurs de jetons doivent montrer qu&rsquo;un r\u00e8glement plus rapide s&rsquo;accompagne de r\u00e9serves r\u00e9elles, d&rsquo;une propri\u00e9t\u00e9 opposable et de sorties qui fonctionnent.<\/p>\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\":\"ETF Bitcoin : les flux s'envolent, les risques de s\u00e9curit\u00e9 grandissent\",\"datePublished\":\"2026-09-27T13:49:20+00:00\",\"dateModified\":\"2026-09-27T13:49:20+00:00\",\"author\":{\"@type\":\"Person\",\"name\":\"Alexander 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