{"id":54845,"date":"2026-10-21T13:47:31","date_gmt":"2026-10-21T13:47:31","guid":{"rendered":"https:\/\/volity.io\/blog\/crypto-market-bitcoin-ether-2\/"},"modified":"2026-10-22T15:01:22","modified_gmt":"2026-10-22T15:01:22","slug":"crypto-market-bitcoin-ether","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/actualites\/crypto-market-bitcoin-ether\/","title":{"rendered":"Perspectives du march\u00e9 crypto : Bitcoin, Ether et Solana en ligne de mire"},"content":{"rendered":"<h2>Le prochain acte de la crypto : des rails plus rapides, des r\u00e8gles plus strictes et un march\u00e9 en qu\u00eate d&rsquo;\u00e9lan<\/h2>\n\n<p><b>Mercredi 21 octobre 2026.<\/b> Les march\u00e9s crypto ont retrouv\u00e9 leur \u00e9cran partag\u00e9 habituel. Le Bitcoin tente de se stabiliser au-dessus de $80 000, tandis que l&rsquo;Ether reste sous pression. Dans le m\u00eame temps, les d\u00e9veloppeurs promettent des r\u00e9seaux plus rapides et des syst\u00e8mes de paiement plus concrets.<\/p>\n\n<p>Les investisseurs ont d\u00e9j\u00e0 entendu ces promesses. Cette fois, ils attendent des preuves dans les flux des ETF, les volumes de transactions et les r\u00e9sultats d&rsquo;exploitation.<\/p>\n\n<h3>Le Bitcoin trouve un soutien, mais pas de cassure<\/h3>\n\n<p>Le Bitcoin s&rsquo;est r\u00e9cemment \u00e9chang\u00e9 autour de $83 000, apr\u00e8s avoir progress\u00e9 avec les actions am\u00e9ricaines. Les vendeurs restent toutefois actifs vers $84 200. Le prochain test se situe entre $85 000 et $90 000, une zone o\u00f9 un rebond avort\u00e9 pourrait vite raviver les r\u00e9flexes de trading en fourchette.<\/p>\n\n<p>Les flux des ETF restent le signal institutionnel le plus lisible du march\u00e9. Les fonds Bitcoin ont attir\u00e9 une demande intermittente, m\u00eame si les achats ont ralenti apr\u00e8s un d\u00e9but de semaine plus solide. Le march\u00e9 se retrouve soutenu, plut\u00f4t que port\u00e9 par des acheteurs convaincus.<\/p>\n\n<p>L&rsquo;Ether fait face \u00e0 un calcul plus rude. Les ETF Ether au comptant am\u00e9ricains ont enregistr\u00e9 environ $1,08 milliard de sorties en octobre, le plus important retrait mensuel de l&rsquo;ann\u00e9e. Les traders appr\u00e9cient toujours l&rsquo;\u00e9conomie du staking d&rsquo;Ethereum et sa vaste base de d\u00e9veloppeurs, mais les investisseurs en fonds n&rsquo;ont pas suivi avec de l&rsquo;argent frais.<\/p>\n\n<p>Bitmine a stak\u00e9 159 728 ETH suppl\u00e9mentaires, d&rsquo;une valeur proche de $390 millions. Ce geste traduit une confiance \u00e0 long terme, alors m\u00eame que les rendements reculent. Davantage d&rsquo;Ether est d\u00e9sormais immobilis\u00e9 sur le r\u00e9seau, si bien que les r\u00e9compenses doivent se r\u00e9partir sur un pool plus large.<\/p>\n\n<h3>Solana pr\u00e9pare son plus grand test d&rsquo;ing\u00e9nierie<\/h3>\n\n<p>La mise \u00e0 niveau Alpenglow de Solana pourrait devenir l&rsquo;un des lancements les plus suivis de l&rsquo;ann\u00e9e. Elle remplace TowerBFT, le syst\u00e8me de consensus qui soutient la cha\u00eene depuis 2020. Le nouveau m\u00e9canisme Votor vise une finalit\u00e9 des transactions d&rsquo;environ 150 millisecondes.<\/p>\n\n<p>Ce serait un changement net par rapport au temps de confirmation actuel d&rsquo;environ 12,8 secondes. Une finalit\u00e9 plus rapide pourrait aider les plateformes d&rsquo;\u00e9change, les soci\u00e9t\u00e9s de paiement et les applications grand public. Elle pourrait aussi faire de Solana un rival plus s\u00e9rieux pour l&rsquo;activit\u00e9 financi\u00e8re \u00e0 fort volume.<\/p>\n\n<p>Le SOL n&rsquo;a pas b\u00e9n\u00e9fici\u00e9 d&rsquo;un rallye avant la mise \u00e0 niveau. Le jeton a chut\u00e9 de plus de 9 % en sept jours, sur fond de sorties des ETF et de signaux techniques plus faibles. Par ailleurs, le cofondateur Anatoly Yakovenko a contest\u00e9 certains aspects de la conception, notamment le traitement des transactions de vote.<\/p>\n\n<p>Ce d\u00e9bat est sain, mais il fait monter les enjeux. Une mise \u00e0 niveau du consensus ne r\u00e9ussit que si elle encaisse des march\u00e9s volatils et un trafic intense sans mauvaise surprise. Les d\u00e9tenteurs ach\u00e8tent \u00e0 la fois une exposition \u00e0 une avanc\u00e9e technique et \u00e0 un test op\u00e9rationnel en conditions r\u00e9elles.<\/p>\n\n<h3>Les stablecoins deviennent la tuyauterie des paiements<\/h3>\n\n<p>Les stablecoins offrent de plus en plus le cas d&rsquo;adoption le plus tangible de la crypto. Les volumes de transferts ajust\u00e9s ont atteint $891 milliards au troisi\u00e8me trimestre. Environ 73 % de l&rsquo;activit\u00e9 filtr\u00e9e a eu lieu en dehors des heures bancaires habituelles aux \u00c9tats-Unis, y compris les week-ends et les jours f\u00e9ri\u00e9s.<\/p>\n\n<p>Cette tendance compte, car le commerce transfrontalier suit rarement l&rsquo;horloge de Wall Street. Les entreprises peuvent transf\u00e9rer des fonds un dimanche soir sans attendre l&rsquo;ouverture d&rsquo;une agence bancaire. Les banques l&rsquo;ont remarqu\u00e9, elles aussi.<\/p>\n\n<p>Sept des dix plus grandes banques am\u00e9ricaines ont test\u00e9 des stablecoins ou des d\u00e9p\u00f4ts tokenis\u00e9s. Environ 30 % des entreprises de taille interm\u00e9diaire ayant des activit\u00e9s transfrontali\u00e8res utilisent ou testent les paiements en stablecoins. Ces chiffres sugg\u00e8rent que la technologie a d\u00e9pass\u00e9 la frange sp\u00e9culative.<\/p>\n\n<p>L&rsquo;Asie multiplie les exp\u00e9riences concr\u00e8tes. Shinhan Card et le japonais SBI pr\u00e9voient des paiements en stablecoin adoss\u00e9 au yen pour les voyageurs entre le Japon et la Cor\u00e9e du Sud. La banque centrale de Malaisie a \u00e9galement lanc\u00e9 une plateforme d&rsquo;obligations tokenis\u00e9es avec un r\u00e8glement 24 heures sur 24.<\/p>\n\n<p>Pourtant, l&rsquo;offre de stablecoins n&rsquo;a pas progress\u00e9 au m\u00eame rythme. La valeur de march\u00e9 du secteur s&rsquo;\u00e9tablissait pr\u00e8s de $301,4 milliards, l\u00e9g\u00e8rement en dessous de son niveau d&rsquo;il y a un an. Les jetons existants circulent plus vite, au lieu d&rsquo;attirer une large vague de capitaux nouveaux.<\/p>\n\n<h3>Les r\u00e8gles r\u00e9duisent la marge de man\u0153uvre<\/h3>\n\n<p>Les r\u00e9gulateurs fixent d\u00e9sormais des limites autour des recoins les plus mouvants du secteur. La France a propos\u00e9 d&rsquo;engager la responsabilit\u00e9 des plateformes crypto touch\u00e9es par des d\u00e9faillances de s\u00e9curit\u00e9 de la finance d\u00e9centralis\u00e9e. La proposition pourrait obliger les plateformes d&rsquo;\u00e9change \u00e0 r\u00e9pondre de protocoles qu&rsquo;elles ne contr\u00f4lent pas directement.<\/p>\n\n<p>Le personnel de la US Securities and Exchange Commission a publi\u00e9 des orientations non contraignantes sur les jetons de re\u00e7u de staking, les syst\u00e8mes d\u00e9centralis\u00e9s et les rachats par les \u00e9metteurs. Le Congr\u00e8s n&rsquo;a toujours pas adopt\u00e9 le CLARITY Act. Les agences comblent donc les lacunes avec des interpr\u00e9tations pratiques.<\/p>\n\n<p>Ripple a soutenu le cadre crypto propos\u00e9 par la SEC, apr\u00e8s son long diff\u00e9rend avec l&rsquo;agence. L&rsquo;entreprise veut des lignes plus claires sur la classification des jetons, les obligations des \u00e9metteurs et les plateformes de n\u00e9gociation. La Cardano Foundation a exhort\u00e9 l&rsquo;Europe \u00e0 am\u00e9liorer MiCA plut\u00f4t qu&rsquo;\u00e0 \u00e9tendre de nouvelles r\u00e8gles g\u00e9n\u00e9rales au staking et \u00e0 la DeFi.<\/p>\n\n<p>La direction est claire. L&rsquo;incertitude juridique pourrait se r\u00e9duire, tandis que les co\u00fbts de conformit\u00e9 augmentent. Les entreprises dot\u00e9es de contr\u00f4les clairs, d&rsquo;une conservation audit\u00e9e et de protections client document\u00e9es devraient gagner du terrain.<\/p>\n\n<h3>La s\u00e9curit\u00e9 reste une distraction co\u00fbteuse<\/h3>\n\n<p>De meilleures infrastructures n&rsquo;ont pas fait dispara\u00eetre les vuln\u00e9rabilit\u00e9s connues. Le portefeuille li\u00e9 \u00e0 l&rsquo;exploit de Drift a transf\u00e9r\u00e9 $109 millions vers Tornado Cash. Il d\u00e9tenait encore environ $138 millions en Ether apr\u00e8s ces transferts.<\/p>\n\n<p>Un groupe li\u00e9 \u00e0 la Cor\u00e9e du Nord, connu sous le nom de SquidSquad, est soup\u00e7onn\u00e9 d&rsquo;avoir d\u00e9rob\u00e9 $2,84 millions \u00e0 des utilisateurs de BNB Chain. Qubic a red\u00e9marr\u00e9 sa blockchain apr\u00e8s un piratage de $1,4 million et a ouvert des demandes d&rsquo;indemnisation jusqu&rsquo;en mai 2027.<\/p>\n\n<p>Les plateformes de trading r\u00e9agissent avec des d\u00e9fenses plus sp\u00e9cialis\u00e9es. Decibel a activ\u00e9 un mempool chiffr\u00e9 sur Aptos. Le syst\u00e8me masque les d\u00e9tails des transactions jusqu&rsquo;\u00e0 leur ex\u00e9cution, ce qui pourrait freiner le front-running pratiqu\u00e9 par des robots automatis\u00e9s.<\/p>\n\n<p>Pour les traders, la qualit\u00e9 d&rsquo;ex\u00e9cution n&rsquo;a rien d&rsquo;une note de bas de page technique. Un ordre visible peut devenir une invitation pour des acteurs plus rapides \u00e0 passer devant. Ce co\u00fbt cach\u00e9 p\u00e8se souvent plus lourd que le d\u00e9bit affich\u00e9 d&rsquo;une cha\u00eene.<\/p>\n\n<h3>March\u00e9s de pr\u00e9diction et portefeuilles IA cherchent de nouveaux utilisateurs<\/h3>\n\n<p>Avec un march\u00e9 au comptant plus calme, les plateformes d&rsquo;\u00e9change cherchent d&rsquo;autres sources d&rsquo;activit\u00e9. Blockchain.com et Binance US se lancent sur les march\u00e9s de pr\u00e9diction. Kalshi, de son c\u00f4t\u00e9, fait face \u00e0 une action en justice de l&rsquo;Utah qui r\u00e9clame jusqu&rsquo;\u00e0 $61 millions pour des contrats de paris pr\u00e9sum\u00e9s ill\u00e9gaux.<\/p>\n\n<p>L&rsquo;intelligence artificielle fournit l&rsquo;autre r\u00e9cit de croissance \u00e0 la mode. Tether a men\u00e9 un tour de table de $15 millions pour Mural, qui con\u00e7oit des outils de paiement pour les agents d&rsquo;IA. La soci\u00e9t\u00e9 a aussi particip\u00e9 au tour de financement de $1,5 milliard de Tenstorrent.<\/p>\n\n<p>Binance promeut des Agent IDs nominatifs pour les portefeuilles IA. L&rsquo;id\u00e9e est simple : rendre les comptes contr\u00f4l\u00e9s par des machines plus faciles \u00e0 identifier et \u00e0 surveiller. Les questions plus difficiles portent sur la responsabilit\u00e9 lorsqu&rsquo;un portefeuille automatis\u00e9 d\u00e9pense mal son argent.<\/p>\n\n<h3>Points \u00e0 surveiller pour le trading<\/h3>\n\n<ul>\n<li><b>Bitcoin :<\/b> Surveiller $84 200 \u00e0 $85 000. Un mouvement durable au-dessus de cette zone am\u00e9liorerait la dynamique \u00e0 court terme.<\/li>\n<li><b>Ether :<\/b> Les sorties des ETF et la baisse des rendements du staking restent des vents contraires, malgr\u00e9 la poursuite du staking \u00e0 grande \u00e9chelle.<\/li>\n<li><b>Solana :<\/b> Alpenglow offre un catalyseur puissant, mais le risque de mise en \u0153uvre m\u00e9rite la m\u00eame attention.<\/li>\n<li><b>Stablecoins :<\/b> Les paiements et le r\u00e8glement restent le th\u00e8me d&rsquo;adoption institutionnelle le plus clair.<\/li>\n<li><b>Risque :<\/b> La conservation, la liquidit\u00e9, l&rsquo;exposition aux sanctions et la s\u00e9curit\u00e9 des smart contracts p\u00e8sent toujours sur chaque transaction.<\/li>\n<\/ul>\n\n<p>La crypto ne manque pas de catalyseurs. Il lui manque une volont\u00e9 g\u00e9n\u00e9rale de les r\u00e9compenser avant l&rsquo;arriv\u00e9e des r\u00e9sultats. Les cha\u00eenes plus rapides doivent rester fiables, les stablecoins doivent r\u00e9gler un commerce r\u00e9el et les r\u00e9gulateurs doivent produire des normes applicables. D&rsquo;ici l\u00e0, le march\u00e9 continuera de r\u00e9compenser les preuves et de faire peu de cas des slogans.<\/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\":\"Perspectives du march\u00e9 crypto : Bitcoin, Ether et Solana en ligne de mire\",\"datePublished\":\"2026-10-21T13:47:31+00:00\",\"dateModified\":\"2026-10-21T13:47:31+00:00\",\"author\":{\"@type\":\"Person\",\"name\":\"Rédaction 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[&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":54819,"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-54845","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 v28.3 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Perspectives du march\u00e9 crypto : Bitcoin, Ether et Solana en ligne de mire | Volity<\/title>\n<meta name=\"description\" content=\"Le Bitcoin \u00e9volue pr\u00e8s de $83 000 face aux vendeurs \u00e0 $84 200, Bitmine a stak\u00e9 159 728 ETH de plus et Solana pr\u00e9pare sa mise \u00e0 jour Alpenglow.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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