{"id":163395,"date":"2025-08-19T12:00:00","date_gmt":"2025-08-19T12:00:00","guid":{"rendered":"https:\/\/cryptonews.com\/fr\/?p=163395"},"modified":"2025-08-19T12:00:00","modified_gmt":"2025-08-19T12:00:00","slug":"circle-malachite-arc-blockchain","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/","title":{"rendered":"Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin"},"content":{"rendered":"<p>L\u2019\u00e9cosyst\u00e8me des stablecoins conna\u00eet une nouvelle \u00e9tape strat\u00e9gique. Circle, l\u2019\u00e9metteur de l\u2019USDC, a annonc\u00e9 l\u2019acquisition de <strong>Malachite<\/strong>, un moteur de consensus Byzantine Fault Tolerant (BFT) d\u00e9velopp\u00e9 par Informal Systems. Cette technologie, bas\u00e9e sur l\u2019algorithme Tendermint, sera au c\u0153ur d\u2019<strong>Arc<\/strong>, la nouvelle blockchain de couche 1 que Circle destine \u00e0 la finance des stablecoins.<\/p><h2 class=\"wp-block-heading\">Une acquisition technologique pour b\u00e2tir une infrastructure mondiale<\/h2><span class=\"replacer\"><\/span><p>Avec Malachite, Circle se dote d\u2019un <strong>moteur de consensus modulaire<\/strong>, pens\u00e9 pour offrir performance, s\u00e9curit\u00e9 et fiabilit\u00e9. Concr\u00e8tement, cette base flexible permet d\u2019adapter la blockchain \u00e0 diff\u00e9rents cas d\u2019usage tout en renfor\u00e7ant la r\u00e9silience du r\u00e9seau.<\/p><figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">From our incubator to <a href=\"https:\/\/twitter.com\/circle?ref_src=twsrc%5Etfw\">@circle<\/a>&#39;s <a href=\"https:\/\/twitter.com\/arc?ref_src=twsrc%5Etfw\">@arc<\/a> blockchain &#8211; here&#39;s the story behind Malachite and how this validates our model of building transformative tech.<\/p>&mdash; Informal Systems \ud83c\udf31 (@informalinc) <a href=\"https:\/\/twitter.com\/informalinc\/status\/1955308583744405877?ref_src=twsrc%5Etfw\">August 12, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure><p>Cependant, l\u2019op\u00e9ration ne se limite pas \u00e0 une simple int\u00e9gration logicielle. <strong>Neuf membres cl\u00e9s d\u2019Informal Systems rejoignent Circle<\/strong> afin <a href=\"https:\/\/arcnetwork.xyz\/\" target=\"_blank\" rel=\"noreferrer noopener\">d\u2019acc\u00e9l\u00e9rer le d\u00e9veloppement d\u2019Arc.<\/a> Ce transfert de talents illustre l\u2019ambition de Circle : construire une blockchain capable de rivaliser avec les infrastructures financi\u00e8res traditionnelles en termes de rapidit\u00e9 et de confiance.<\/p><p>Autre \u00e9l\u00e9ment majeur, le d\u00e9p\u00f4t du code <strong>reste open source<\/strong> sous licence Apache 2.0. Ainsi, d\u00e9veloppeurs et acteurs du secteur pourront continuer \u00e0 exploiter et am\u00e9liorer Malachite. Ce choix t\u00e9moigne d\u2019une volont\u00e9 de transparence et d\u2019ouverture, renfor\u00e7ant la cr\u00e9dibilit\u00e9 de Circle aupr\u00e8s de la communaut\u00e9 blockchain.<\/p><h2 class=\"wp-block-heading\">Arc : une blockchain taill\u00e9e pour la finance des stablecoins<\/h2><span class=\"replacer\"><\/span><p>Arc n\u2019est pas une blockchain g\u00e9n\u00e9raliste parmi d\u2019autres. Elle a \u00e9t\u00e9 con\u00e7ue sp\u00e9cifiquement pour r\u00e9pondre aux <strong>besoins de la finance des stablecoins<\/strong>. L\u2019objectif est clair : r\u00e9duire drastiquement les frictions dans les paiements transfrontaliers et positionner l\u2019USDC comme <strong>le standard du dollar num\u00e9rique<\/strong>.<\/p><p>\u00c0 ce titre, Circle mise sur un march\u00e9 en pleine expansion. Les analystes estiment que la capitalisation des stablecoins pourrait atteindre <strong>1 trillion de dollars dans les prochaines ann\u00e9es<\/strong>. Dans cette perspective, disposer d\u2019une blockchain optimis\u00e9e uniquement pour ce cas d\u2019usage repr\u00e9sente un avantage comp\u00e9titif consid\u00e9rable.<\/p><p>Le lancement du <strong>testnet d\u2019Arc est pr\u00e9vu pour la fin 2025<\/strong>, ouvrant la voie \u00e0 une phase de tests grandeur nature. Cette \u00e9ch\u00e9ance sera scrut\u00e9e de pr\u00e8s, car elle permettra de mesurer la capacit\u00e9 r\u00e9elle de Circle \u00e0 tenir ses promesses en mati\u00e8re de performance et de scalabilit\u00e9.<\/p><h2 class=\"wp-block-heading\">Une strat\u00e9gie pour concurrencer Tether et les banques centrales<\/h2><span class=\"replacer\"><\/span><p>Cette acquisition confirme <a href=\"https:\/\/cryptonews.com\/fr\/news\/circle-arc-blockchain-stablecoins\/\">la strat\u00e9gie offensive de Circle<\/a>. Depuis plusieurs ann\u00e9es, l\u2019entreprise cherche \u00e0 imposer l\u2019USDC comme une alternative cr\u00e9dible au cash num\u00e9rique. Or, la concurrence est rude. <strong>Tether (USDT)<\/strong> conserve une domination historique, tandis que de nouveaux entrants comme <strong>PayPal<\/strong> ou encore les <strong>banques centrales<\/strong> avec leurs projets de monnaies num\u00e9riques (CBDC) avancent leurs pions.<\/p><p>En lan\u00e7ant Arc, Circle franchit une \u00e9tape suppl\u00e9mentaire : ne plus d\u00e9pendre d\u2019infrastructures tierces et <strong>contr\u00f4ler sa propre blockchain<\/strong>. Cette autonomie pourrait se r\u00e9v\u00e9ler d\u00e9terminante, notamment face aux risques de r\u00e9gulation renforc\u00e9e sur les r\u00e9seaux publics existants.<\/p><figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Introducing Arc, the home for stablecoin finance.<a href=\"https:\/\/twitter.com\/arc?ref_src=twsrc%5Etfw\">@Arc<\/a> is an open Layer-1 blockchain purpose-built to drive the next chapter of financial innovation powered by stablecoins.<br><br>Designed to provide an enterprise-grade foundation for payments, FX, and capital markets, Arc delivers\u2026 <a href=\"https:\/\/t.co\/Z8FHUls1xY\">pic.twitter.com\/Z8FHUls1xY<\/a><\/p>&mdash; Circle (@circle) <a href=\"https:\/\/twitter.com\/circle\/status\/1955246636223135976?ref_src=twsrc%5Etfw\">August 12, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure><p>De plus, Circle adopte une approche \u201cinfrastructure first\u201d. Plut\u00f4t que de multiplier les partenariats opportunistes, la soci\u00e9t\u00e9 investit dans les fondations techniques de son \u00e9cosyst\u00e8me. Cette vision rappelle la trajectoire des grandes plateformes Web2 qui ont b\u00e2ti leur succ\u00e8s sur un socle technologique solide.<\/p><h2 class=\"wp-block-heading\">Vers une nouvelle g\u00e9n\u00e9ration de blockchains sp\u00e9cialis\u00e9es<\/h2><span class=\"replacer\"><\/span><p>Au-del\u00e0 du cas Circle, cette op\u00e9ration illustre une tendance plus large : les <strong>\u00e9metteurs de stablecoins cr\u00e9ent leurs propres blockchains d\u00e9di\u00e9es<\/strong>. En effet, les besoins en performance, en s\u00e9curit\u00e9 et en conformit\u00e9 sont tels qu\u2019il devient difficile de les satisfaire sur des r\u00e9seaux g\u00e9n\u00e9ralistes d\u00e9j\u00e0 satur\u00e9s.<\/p><p>Arc pourrait donc devenir une r\u00e9f\u00e9rence dans une nouvelle g\u00e9n\u00e9ration de blockchains verticalis\u00e9es. Si le pari est r\u00e9ussi, l\u2019\u00e9cosyst\u00e8me crypto assistera \u00e0 une red\u00e9finition des rapports de force, o\u00f9 les infrastructures sp\u00e9cialis\u00e9es remplaceront progressivement les mod\u00e8les universels.<\/p><p>En d\u2019autres termes, Circle ne cherche pas seulement \u00e0 am\u00e9liorer ses produits : il ambitionne de <strong>fa\u00e7onner les rails financiers du futur<\/strong>.<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Sources : <a href=\"https:\/\/www.prnewswire.com\/news-releases\/informal-systems-announces-malachite-acquisition-by-circle-to-power-new-arc-blockchain-network-302532317.html\" target=\"_blank\" rel=\"noreferrer noopener\">PR Newswire<\/a><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Pour aller plus loin sur le sujet :<\/p><ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/circle-arc-blockchain-stablecoins\/\">Circle lance Arc : une blockchain d\u00e9di\u00e9e aux stablecoins<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/visa-adopte-les-stablecoins-eurc-usdg-pyusd-support-pour-stellar-et-avalanche\/\">Visa adopte les Stablecoins EURC, USDG, PYUSD:  support pour Stellar et Avalanche<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/usdt-menace-par-le-genius-act-vers-un-effondrement-du-marche\/\">USDT menac\u00e9 par le GENIUS Act : vers un effondrement du march\u00e9 ? <\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>L\u2019\u00e9cosyst\u00e8me des stablecoins conna\u00eet une nouvelle \u00e9tape strat\u00e9gique. Circle, l\u2019\u00e9metteur de l\u2019USDC, a annonc\u00e9 l\u2019acquisition de Malachite, un moteur de consensus Byzantine Fault Tolerant (BFT) d\u00e9velopp\u00e9 par Informal Systems. Cette technologie, bas\u00e9e sur l\u2019algorithme Tendermint, sera au c\u0153ur d\u2019Arc, la nouvelle blockchain de couche 1 que Circle destine \u00e0 la finance des stablecoins.Une acquisition technologique [&hellip;]<\/p>\n","protected":false},"author":691,"featured_media":163402,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8,9,1],"tags":[],"editors":[2554],"sponsored_companies":[],"class_list":["post-163395","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-altcoin-news","category-blockchain-news","category-news","editors-ronan-gaillard"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin<\/title>\n<meta name=\"description\" content=\"Circle acquiert Malachite pour d\u00e9velopper Arc, une blockchain d\u00e9di\u00e9e aux stablecoins et renforcer la position de l\u2019USDC.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin\" \/>\n<meta property=\"og:description\" content=\"Circle acquiert Malachite pour d\u00e9velopper Arc, une blockchain d\u00e9di\u00e9e aux stablecoins et renforcer la position de l\u2019USDC.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/\" \/>\n<meta property=\"og:site_name\" content=\"Cryptonews France\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-19T12:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/19100930\/1755598169-cryptonews-5.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin\" \/>\n<meta name=\"twitter:description\" content=\"Circle acquiert Malachite pour d\u00e9velopper Arc, une blockchain d\u00e9di\u00e9e aux stablecoins et renforcer la position de l\u2019USDC.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/19100930\/1755598169-cryptonews-5.jpg\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin","description":"Circle acquiert Malachite pour d\u00e9velopper Arc, une blockchain d\u00e9di\u00e9e aux stablecoins et renforcer la position de l\u2019USDC.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/","og_locale":"fr_FR","og_type":"article","og_title":"Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin","og_description":"Circle acquiert Malachite pour d\u00e9velopper Arc, une blockchain d\u00e9di\u00e9e aux stablecoins et renforcer la position de l\u2019USDC.","og_url":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/","og_site_name":"Cryptonews France","article_published_time":"2025-08-19T12:00:00+00:00","og_image":[{"width":1200,"height":800,"url":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/19100930\/1755598169-cryptonews-5.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_title":"Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin","twitter_description":"Circle acquiert Malachite pour d\u00e9velopper Arc, une blockchain d\u00e9di\u00e9e aux stablecoins et renforcer la position de l\u2019USDC.","twitter_image":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/19100930\/1755598169-cryptonews-5.jpg","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"NewsArticle","@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/#article","isPartOf":{"@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/"},"author":{"name":"tanguye","@id":"https:\/\/cryptonews.com\/fr\/#\/schema\/person\/bea61e6c59f443f5c6357c95e19f6296"},"headline":"Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin","datePublished":"2025-08-19T12:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/"},"wordCount":766,"publisher":{"@id":"https:\/\/cryptonews.com\/fr\/#organization"},"image":{"@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/#primaryimage"},"thumbnailUrl":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/19100930\/1755598169-cryptonews-5.jpg","articleSection":["Actualit\u00e9s Altcoin","Actualit\u00e9s Blockchain","News"],"inLanguage":"fr-FR","copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/cryptonews.com\/#organization"}},{"@type":"WebPage","@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/","url":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/","name":"Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin","isPartOf":{"@id":"https:\/\/cryptonews.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/#primaryimage"},"image":{"@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/#primaryimage"},"thumbnailUrl":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/19100930\/1755598169-cryptonews-5.jpg","datePublished":"2025-08-19T12:00:00+00:00","description":"Circle acquiert Malachite pour d\u00e9velopper Arc, une blockchain d\u00e9di\u00e9e aux stablecoins et renforcer la position de l\u2019USDC.","breadcrumb":{"@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/"]}],"author":[]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/#primaryimage","url":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/19100930\/1755598169-cryptonews-5.jpg","contentUrl":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/19100930\/1755598169-cryptonews-5.jpg","width":1200,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/cryptonews.com\/fr\/news\/circle-malachite-arc-blockchain\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/cryptonews.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Circle rach\u00e8te Malachite pour propulser Arc, sa blockchain stablecoin"}]},{"@type":"WebSite","@id":"https:\/\/cryptonews.com\/fr\/#website","url":"https:\/\/cryptonews.com\/fr\/","name":"Cryptonews","description":"","publisher":{"@id":"https:\/\/cryptonews.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/cryptonews.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/cryptonews.com\/fr\/#organization","name":"Cryptonews France","url":"https:\/\/cryptonews.com\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/cryptonews.com\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/3\/2023\/09\/4.jpg","contentUrl":"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/3\/2023\/09\/4.jpg","width":1669,"height":874,"caption":"Cryptonews France"},"image":{"@id":"https:\/\/cryptonews.com\/fr\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/posts\/163395","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/users\/691"}],"replies":[{"embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/comments?post=163395"}],"version-history":[{"count":1,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/posts\/163395\/revisions"}],"predecessor-version":[{"id":163403,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/posts\/163395\/revisions\/163403"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/media\/163402"}],"wp:attachment":[{"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/media?parent=163395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/categories?post=163395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/tags?post=163395"},{"taxonomy":"editors","embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/editors?post=163395"},{"taxonomy":"sponsored_companies","embeddable":true,"href":"https:\/\/cryptonews.com\/fr\/wp-json\/wp\/v2\/sponsored_companies?post=163395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}