{"id":181151,"date":"2026-06-09T10:07:50","date_gmt":"2026-06-09T10:07:50","guid":{"rendered":"https:\/\/cryptonews.com\/fr\/news\/circle-lance-cirbtc-ethereum-rival-wbtc-institutions\/"},"modified":"2026-06-09T10:07:50","modified_gmt":"2026-06-09T10:07:50","slug":"circle-lance-cirbtc-un-nouveau-rival-pour-le-wbtc-sur-ethereum","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/circle-lance-cirbtc-un-nouveau-rival-pour-le-wbtc-sur-ethereum\/","title":{"rendered":"Circle lance cirBTC : un nouveau rival pour le WBTC sur Ethereum"},"content":{"rendered":"<p>Bitcoin News : Circle a lanc\u00e9 le <strong>cirBTC<\/strong>, un jeton ERC-20 adoss\u00e9 au BTC selon un ratio de 1:1, d\u00e9sormais disponible sur le r\u00e9seau principal Ethereum. <\/p><p>Ce nouveau venu se positionne directement face au <a href=\"https:\/\/wbtc.network\" target=\"_blank\" rel=\"noreferrer noopener\">Wrapped Bitcoin<\/a> (WBTC), qui domine le march\u00e9 avec environ 9 milliards de dollars de capitalisation et 85 % de parts de march\u00e9. Circle mise sur un avantage technologique majeur : une v\u00e9rification des r\u00e9serves on-chain en temps r\u00e9el, sans d\u00e9pendre d&#8217;attestations de tiers.<\/p><p>Le produit a \u00e9t\u00e9 d\u00e9ploy\u00e9 le 8 juin 2026. Il est exclusivement con\u00e7u pour les acteurs institutionnels, les bureaux OTC, les teneurs de march\u00e9, les pr\u00eateurs et les protocoles DeFi qui utilisent le Bitcoin comme collat\u00e9ral au sein de l&#8217;\u00e9cosyst\u00e8me des contrats intelligents d&#8217;Ethereum.<\/p><figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">cirBTC is live on <a href=\"https:\/\/x.com\/ethereum?ref_src=twsrc%5Etfw\">@ethereum<\/a>.<br><br>Circle helped establish the institutional standard for dollar collateral with USDC.<br><br>Now cirBTC brings that same approach to Bitcoin, bringing 1:1 BTC-backed collateral to institutional DeFi markets with neutrality, transparency, and Circle\u2026<\/p>&mdash; Circle (@circle) <a href=\"https:\/\/x.com\/circle\/status\/2064024623931678882?ref_src=twsrc%5Etfw\">June 8, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure><p>L&#8217;objectif concurrentiel est clairement affich\u00e9. Alors que le WBTC de BitGo domine le secteur du Bitcoin tokenis\u00e9 depuis son lancement en janvier 2019, le cbBTC de Coinbase s&#8217;est impos\u00e9 comme le principal challenger institutionnel depuis septembre 2024, atteignant une valeur de march\u00e9 d&#8217;environ 5,9 milliards de dollars. Circle entre dans cette course avec un argument de transparence sp\u00e9cifique et la confiance institutionnelle b\u00e2tie sur des ann\u00e9es d&#8217;\u00e9mission de l&#8217;USDC.<\/p><h2 class=\"wp-block-heading\">cirBTC et la preuve de r\u00e9serve : ce que signifie la v\u00e9rification on-chain en temps r\u00e9el<\/h2><span class=\"replacer\"><\/span><p>Le principal diff\u00e9renciateur technique repose sur le syst\u00e8me <strong>Chainlink Proof of Reserve<\/strong>. Chaque jeton cirBTC \u00e9mis sur Ethereum est garanti par du Bitcoin natif conserv\u00e9 dans des comptes de garde r\u00e9glement\u00e9s et s\u00e9gr\u00e9gu\u00e9s. Les contreparties peuvent v\u00e9rifier cette garantie en temps r\u00e9el via plusieurs adresses visibles directement sur la blockchain Bitcoin. Ce mod\u00e8le \u00e9limine l&#8217;attente des audits mensuels, la d\u00e9pendance aux d\u00e9clarations des d\u00e9positaires ou les d\u00e9lais des attestations hors cha\u00eene.<\/p><p>Cette structure diff\u00e8re radicalement du mod\u00e8le WBTC, o\u00f9 BitGo agit comme unique d\u00e9positaire et publie des adresses de portefeuille pour une v\u00e9rification manuelle, tout en conservant le contr\u00f4le centralis\u00e9 et un multisig de gouvernance pour les modifications de contrat.<\/p><p><\/p><blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Tokenized Bitcoin &#8211; programmable and composable digital gold. \ud83d\udc40 <a href=\"https:\/\/t.co\/XVCXVzLfLi\">https:\/\/t.co\/XVCXVzLfLi<\/a><\/p>&mdash; Jeremy Allaire &#8211; jerallaire.arc (@jerallaire) <a href=\"https:\/\/x.com\/jerallaire\/status\/2064098330745962822?ref_src=twsrc%5Etfw\">June 8, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script><p>L&#8217;arr\u00eat du RenBTC et les critiques croissantes sur l&#8217;opacit\u00e9 des ponts (bridges) d\u00e9positaires ont cr\u00e9\u00e9 un manque de confiance que Circle cherche explicitement \u00e0 combler. Le flux automatis\u00e9 de Chainlink permet de boucler la boucle de v\u00e9rification au niveau du contrat plut\u00f4t qu&#8217;au rythme des cycles d&#8217;audit.<\/p><p>Les actifs en Bitcoin sont isol\u00e9s des fonds propres de Circle, et les processus d&#8217;\u00e9mission et de rachat passent par <strong>Circle Mint<\/strong>, sa plateforme de gestion de liquidit\u00e9 institutionnelle. Cette m\u00eame infrastructure, qui assure le r\u00e8glement de l&#8217;USDC, est d\u00e9sormais \u00e9tendue au Bitcoin tokenis\u00e9, permettant aux entreprises de conserver du BTC natif tout en utilisant le cirBTC dans des applications financi\u00e8res on-chain.<\/p><h2 class=\"wp-block-heading\">Le march\u00e9 du Bitcoin tokenis\u00e9 : cirBTC face au WBTC et au cbBTC<\/h2><span class=\"replacer\"><\/span><p>Au deuxi\u00e8me trimestre 2026, l&#8217;offre totale de Bitcoin tokenis\u00e9 s&#8217;\u00e9l\u00e8ve \u00e0 environ 15-20 milliards de dollars, ce qui repr\u00e9sente encore moins de 2 % de la capitalisation boursi\u00e8re totale du Bitcoin (environ 1 700 milliards de dollars). Ce chiffre est per\u00e7u soit comme un plafond d\u00fb aux barri\u00e8res structurelles de la DeFi institutionnelle, soit comme une opportunit\u00e9 de croissance massive.<\/p><p>Les indicateurs penchent vers la seconde option : la demande institutionnelle pour une <a href=\"https:\/\/cryptonews.com\/news\/bitcoin-crypto-price-selloff-spacex-ipo\/\" target=\"_blank\" rel=\"noreferrer noopener\">exposition au Bitcoin sous des formats r\u00e9glement\u00e9s on-chain<\/a> s&#8217;est acc\u00e9l\u00e9r\u00e9e depuis 2024. Ce sont pr\u00e9cis\u00e9ment les produits r\u00e9glement\u00e9s et issus de plateformes reconnues qui captent cette demande.<\/p><figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Jeremy Allaire just said it directly.<br><br>cirBTC (Circle&#39;s wrapped BTC) went live <br>on Ethereum today.<br><br>His next post: &quot;Arc is next.&quot;<br><br>Arc Network \u2014 Circle&#39;s stablecoin-native L1.<br>$222M raised. a16z, BlackRock, Apollo.<br>244M+ testnet transactions.<br><br>My scanner flagged Arc in April.\u2026<\/p>&mdash; Andrew (@phntomass) <a href=\"https:\/\/x.com\/phntomass\/status\/2064248838387347551?ref_src=twsrc%5Etfw\">June 9, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure><p>Le WBTC d\u00e9tient environ 119 000 jetons en circulation pour une capitalisation de 8 \u00e0 9 milliards de dollars. Le cbBTC suit avec 5,9 milliards de dollars mais affiche la croissance la plus rapide du secteur. D&#8217;autres offres comme celles de Kraken, Binance, Bitget ou OKX se partagent le reste du march\u00e9.<\/p><p>L&#8217;arriv\u00e9e de Circle ne bouleversera pas la structure du march\u00e9 du jour au lendemain, mais elle introduit un \u00e9metteur de premier plan disposant d&#8217;un r\u00e9seau de distribution institutionnel que les plateformes d&#8217;\u00e9change ne peuvent pas totalement r\u00e9pliquer. Circle met \u00e9galement en avant sa neutralit\u00e9 : contrairement \u00e0 ses concurrents, la soci\u00e9t\u00e9 n&#8217;exploite pas d&#8217;\u00e9change centralis\u00e9, de DEX ou de protocole de pr\u00eat, \u00e9vitant ainsi les risques de fuite d&#8217;informations strat\u00e9giques pour ses clients institutionnels.<\/p>","protected":false},"excerpt":{"rendered":"<p>Circle lance cirBTC, un token index\u00e9 sur le Bitcoin avec preuve de r\u00e9serve en temps r\u00e9el sur Ethereum, ciblant les institutions et le march\u00e9 du WBTC.<\/p>\n","protected":false},"author":759,"featured_media":181149,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"editors":[2551],"sponsored_companies":[],"class_list":["post-181151","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","editors-julien-leroy"],"acf":[],"yoast_head":"<!-- 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