{"id":162557,"date":"2025-08-13T14:00:00","date_gmt":"2025-08-13T14:00:00","guid":{"rendered":"https:\/\/cryptonews.com\/fr\/?p=162557"},"modified":"2025-08-13T14:00:00","modified_gmt":"2025-08-13T14:00:00","slug":"circle-arc-blockchain-stablecoins","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/circle-arc-blockchain-stablecoins\/","title":{"rendered":"Circle lance Arc : une blockchain d\u00e9di\u00e9e aux stablecoins"},"content":{"rendered":"<p><strong>Circle<\/strong> vient de franchir une \u00e9tape strat\u00e9gique majeure avec le lancement d\u2019<strong>Arc<\/strong>, une blockchain <strong>Layer-1<\/strong> ouverte, con\u00e7ue d\u00e8s l\u2019origine pour r\u00e9pondre aux besoins sp\u00e9cifiques de la finance en stablecoins. \u00c9metteur de l\u2019USDC, l\u2019un des stablecoins les plus utilis\u00e9s au monde, Circle mise sur une infrastructure optimis\u00e9e pour les paiements num\u00e9riques, les march\u00e9s de change stables et la tokenisation d\u2019actifs.<\/p><h2 class=\"wp-block-heading\">Une architecture construite autour du stablecoin<\/h2><span class=\"replacer\"><\/span><p>Contrairement aux r\u00e9seaux g\u00e9n\u00e9ralistes qui accueillent tous types d\u2019applications, <a href=\"https:\/\/www.circle.com\/blog\/introducing-arc-an-open-layer-1-blockchain-purpose-built-for-stablecoin-finance\" target=\"_blank\" rel=\"noreferrer noopener\">Arc<\/a> a \u00e9t\u00e9 pens\u00e9e <strong>d\u00e8s le d\u00e9part<\/strong> pour servir de socle \u00e0 des services <em>stablecoin-native<\/em>. Ainsi, l\u2019<strong>USDC<\/strong> devient le <strong>token gaz natif<\/strong>, ce qui permet de payer les frais de transaction directement en stablecoin, sans d\u00e9pendre d\u2019un actif volatil. Par cons\u00e9quent, les utilisateurs b\u00e9n\u00e9ficient de co\u00fbts faibles, pr\u00e9visibles et libell\u00e9s en dollars.<\/p><p>De plus, Arc int\u00e8gre un <strong>moteur FX institutionnel<\/strong> (<em>request-for-quote<\/em>) qui assure une d\u00e9couverte des prix en continu et un r\u00e8glement <em>on-chain<\/em> 24\/7 pour les \u00e9changes entre stablecoins. Ce syst\u00e8me int\u00e9ressera particuli\u00e8rement les acteurs du commerce international, o\u00f9 rapidit\u00e9 et fiabilit\u00e9 des conversions de devises sont essentielles.<\/p><p>Sur le plan technique, Arc s\u2019appuie sur le moteur de consensus <strong>Malachite<\/strong>, capable de fournir une <strong>finalit\u00e9 instantan\u00e9e<\/strong> (moins d\u2019une seconde) et des transactions irr\u00e9versibles. Par ailleurs, Circle a ajout\u00e9 une fonction de <strong>confidentialit\u00e9 s\u00e9lective<\/strong> : les utilisateurs peuvent choisir de masquer certaines informations financi\u00e8res tout en restant conformes aux exigences r\u00e9glementaires.<\/p><h2 class=\"wp-block-heading\">Une int\u00e9gration compl\u00e8te dans l\u2019\u00e9cosyst\u00e8me Circle<\/h2><span class=\"replacer\"><\/span><p>Arc n\u2019est pas uniquement d\u00e9di\u00e9e \u00e0 l\u2019USDC : elle peut accueillir <strong>toutes formes de monnaies num\u00e9riques et d\u2019actifs tokenis\u00e9s<\/strong>. De plus, elle est <strong>nativement reli\u00e9e<\/strong> \u00e0 l\u2019ensemble des solutions Circle, comme :<\/p><ul class=\"wp-block-list\">\n<li>Le <strong>Circle Payments Network<\/strong><\/li>\n\n\n\n<li>Les stablecoins USDC, EURC et USYC<\/li>\n\n\n\n<li>Les services de <em>minting<\/em>, portefeuilles et contrats intelligents<\/li>\n\n\n\n<li>Le <strong>Cross-Chain Transfer Protocol (CCTP)<\/strong><\/li>\n\n\n\n<li>Les solutions <em>gateway<\/em> et <em>paymaster<\/em><\/li>\n<\/ul><p>Parce qu\u2019Arc est <strong>compatible EVM<\/strong>, les d\u00e9veloppeurs peuvent d\u00e9ployer rapidement des applications en utilisant les m\u00eames outils que sur Ethereum. Cette compatibilit\u00e9 r\u00e9duit consid\u00e9rablement les co\u00fbts de migration et acc\u00e9l\u00e8re l\u2019adoption par les entreprises d\u00e9j\u00e0 actives sur d\u2019autres blockchains.<\/p><h2 class=\"wp-block-heading\">Des cas d\u2019usage concrets et vari\u00e9s<\/h2><span class=\"replacer\"><\/span><p>Gr\u00e2ce \u00e0 sa conception, Arc vise une large gamme d\u2019applications :<\/p><ul class=\"wp-block-list\">\n<li><strong>Paiements transfrontaliers<\/strong> \u00e0 co\u00fbts r\u00e9duits<\/li>\n\n\n\n<li><strong>March\u00e9s de change perp\u00e9tuels en stablecoins<\/strong><\/li>\n\n\n\n<li><strong>Cr\u00e9dit on-chain<\/strong> bas\u00e9 sur des signaux de confiance off-chain<\/li>\n\n\n\n<li><strong>R\u00e8glement sur march\u00e9s de capitaux<\/strong><\/li>\n\n\n\n<li><strong>Gestion de collat\u00e9ral tokenis\u00e9<\/strong><\/li>\n\n\n\n<li><strong>Commerce programmatique<\/strong> avec paiements automatis\u00e9s<\/li>\n<\/ul><p>En regroupant toutes ces fonctionnalit\u00e9s sur une m\u00eame infrastructure, <a href=\"https:\/\/www.circle.com\/use-case\/payments\" target=\"_blank\" rel=\"noreferrer noopener\">Circle<\/a> esp\u00e8re cr\u00e9er un environnement complet o\u00f9 entreprises, institutions et d\u00e9veloppeurs peuvent b\u00e2tir des solutions financi\u00e8res globales.<\/p><h2 class=\"wp-block-heading\">Un lancement soutenu par des performances financi\u00e8res solides<\/h2><span class=\"replacer\"><\/span><p>Cette annonce intervient dans un contexte favorable pour Circle. En effet, l\u2019entreprise a enregistr\u00e9 au deuxi\u00e8me trimestre 2025 une <strong>hausse de 53 %<\/strong> de ses revenus et revenus de r\u00e9serves sur un an, atteignant <strong>658 M$<\/strong>, malgr\u00e9 une perte nette due principalement aux frais li\u00e9s \u00e0 son introduction en bourse. Parall\u00e8lement, la circulation de l\u2019<a href=\"https:\/\/cryptonews.com\/fr\/news\/explosion-paiements-crypto-2025-usdc-bitcoin-raflent-tout\/\">USDC<\/a> a bondi de <strong>90 %<\/strong> sur un an, pour d\u00e9passer <strong>65 milliards de dollars<\/strong>.<\/p><p>Ces chiffres traduisent une adoption croissante des stablecoins, et renforcent la position de Circle comme acteur cl\u00e9 de la finance num\u00e9rique mondiale.<\/p><h2 class=\"wp-block-heading\">Feuille de route et ambitions<\/h2><span class=\"replacer\"><\/span><p>Le <strong>testnet public<\/strong> d\u2019Arc est pr\u00e9vu pour l\u2019automne 2025. Par la suite, Circle ajoutera progressivement de nouvelles options de confidentialit\u00e9 et un syst\u00e8me de gouvernance avanc\u00e9. L\u2019objectif est clair : proposer une infrastructure combinant <strong>latence ultra-faible<\/strong>, <strong>interop\u00e9rabilit\u00e9 multi-cha\u00eenes<\/strong> et <strong>pr\u00e9paration r\u00e9glementaire<\/strong>.<\/p><p>En d\u00e9veloppant Arc, Circle se positionne comme un acteur <strong>verticalement int\u00e9gr\u00e9<\/strong> : \u00e9mission de stablecoins, gestion d\u2019une infrastructure blockchain d\u00e9di\u00e9e, et int\u00e9gration directe avec ses propres solutions financi\u00e8res. Cette approche diff\u00e9rencie clairement l\u2019entreprise d\u2019autres \u00e9metteurs qui s\u2019appuient exclusivement sur des r\u00e9seaux tiers.<\/p><p>\u00c0 mesure que les r\u00e9gulations se renforcent et que les besoins des entreprises se complexifient, Arc pourrait devenir une <strong>r\u00e9f\u00e9rence mondiale<\/strong> pour la finance stablecoin, offrant un environnement s\u00e9curis\u00e9, rapide et interconnect\u00e9 pour les paiements, le change et la tokenisation.<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p><\/p><p><strong>Sources<\/strong> :<br><a href=\"https:\/\/www.circle.com\/blog\/introducing-arc-an-open-layer-1-blockchain-purpose-built-for-stablecoin-finance\" target=\"_blank\" rel=\"noreferrer noopener\">Circle \u2013 Introducing Arc<\/a><br><a href=\"https:\/\/www.ledgerinsights.com\/circles-new-blockchain-arc-expands-stablecoin-vertical-integration\" target=\"_blank\" rel=\"noreferrer noopener\">Ledger Insights \u2013 Circle\u2019s stablecoin vertical integration<\/a><\/p><p><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p><\/p><p><strong>Pour aller plus loin sur le sujet<\/strong> :<\/p><ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/stablecoin-crypto-chine-gouvernement-regulation\/\">Premier stablecoin crypto en Chine : le gouvernement souhaite \u00e9viter la fuite des capitaux<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/coinbase-paypal-genius-act-rendement-stablecoin\/\">Coinbase et Paypal tordent d\u00e9j\u00e0 le cou au GENIUS Act : +4,1% pour les d\u00e9tenteurs de stablecoins<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/stablecoins-liquidite-marche-crypto\/\">Nouveaux sommets pour les stablecoins : la liquidit\u00e9 arrive sur le march\u00e9 crypto<\/a><\/li>\n<\/ul><p><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Circle vient de franchir une \u00e9tape strat\u00e9gique majeure avec le lancement d\u2019Arc, une blockchain Layer-1 ouverte, con\u00e7ue d\u00e8s l\u2019origine pour r\u00e9pondre aux besoins sp\u00e9cifiques de la finance en stablecoins. \u00c9metteur de l\u2019USDC, l\u2019un des stablecoins les plus utilis\u00e9s au monde, Circle mise sur une infrastructure optimis\u00e9e pour les paiements num\u00e9riques, les march\u00e9s de change stables [&hellip;]<\/p>\n","protected":false},"author":691,"featured_media":162562,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8,9,42,1],"tags":[],"editors":[2554],"sponsored_companies":[],"class_list":["post-162557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-altcoin-news","category-blockchain-news","category-finance-news","category-news","editors-ronan-gaillard"],"acf":[],"yoast_head":"<!-- This site is optimized 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