{"id":34472,"date":"2026-06-18T11:03:10","date_gmt":"2026-06-18T11:03:10","guid":{"rendered":"https:\/\/99bitcoins.com\/fr\/?p=34472"},"modified":"2026-06-17T09:01:07","modified_gmt":"2026-06-17T09:01:07","slug":"cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet","status":"publish","type":"post","link":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/","title":{"rendered":"Cardano : Le hard fork Van Rossem face au verdict du mainnet"},"content":{"rendered":"\r\n<p class=\"wp-block-paragraph\">Le hard fork <strong>Van Rossem<\/strong> de Cardano a atteint son point de d\u00e9cision crucial \u00ab\u00a0go\/no-go\u00a0\u00bb sur le r\u00e9seau principal le 15 juin 2026. Cette date marque la journ\u00e9e la plus importante de l&rsquo;\u00e8re de gouvernance <strong>Voltaire<\/strong>, avec des indicateurs de pr\u00e9paration du r\u00e9seau nettement sup\u00e9rieurs \u00e0 toutes les mises \u00e0 jour pr\u00e9c\u00e9dentes. Un verdict officiel est d\u00e9sormais attendu de mani\u00e8re imminente.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Pour dire les choses simplement, l&rsquo;adoption des n\u0153uds est suffisamment robuste pour qu&rsquo;un feu vert soit plausible. Cependant, la d\u00e9cision finale doit valider un processus de gouvernance communautaire qui n&rsquo;a encore jamais activ\u00e9 de hard fork sur le mainnet.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Ce choix d\u00e9terminant pour l&rsquo;avenir de Cardano intervient alors que l&rsquo;<strong>ADA<\/strong> a recul\u00e9 de -1 % en 24 heures. Le jeton figure parmi les rares actifs num\u00e9riques dans le rouge sur cette p\u00e9riode, illustrant l&rsquo;incertitude qui plane au sein de la communaut\u00e9.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\"><a href=\"https:\/\/x.com\/search?q=%24ADA&amp;src=ctag&amp;ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">$ADA<\/a> 5 waves followed by an ABC will remain king<br><br>This is the current probability<br><br>That is -56% from here (macro speaking ONLY)<br><br>But- here&#39;s the thing&#8230;<br><br>ALTS do NOT all move together<br><br>If Cardano drops that doesn&#39;t mean all coins do<br><br>That&#39;s a huge misconception on CT<br><br>Patience\u2026 <a href=\"https:\/\/t.co\/jmtP71q3LJ\" rel=\"nofollow\" target=\"_blank\">pic.twitter.com\/jmtP71q3LJ<\/a><\/p>&mdash; Norris Digital Assets \u26a1\ufe0f (@AssetsNorris) <a href=\"https:\/\/x.com\/AssetsNorris\/status\/2066603321649950798?ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">June 15, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Les enjeux techniques du hard fork Van Rossem<\/h2>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Le hard fork Van Rossem marque la transition de Cardano vers la <strong>version 11 du protocole<\/strong>. Il s&rsquo;agit techniquement d&rsquo;une mise \u00e0 jour intra-\u00e8re, ce qui signifie qu&rsquo;elle modifie les capacit\u00e9s du protocole et les param\u00e8tres de gouvernance sans lancer une nouvelle \u00e8re de registre (comme ce fut le cas pour Shelley ou Basho). Il ne s&rsquo;agit pas tant de reconstruire le moteur que d&rsquo;am\u00e9liorer les syst\u00e8mes de contr\u00f4le qui r\u00e9gissent son fonctionnement futur.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Fait crucial, c&rsquo;est le premier hard fork de l&rsquo;histoire de Cardano initi\u00e9 via le cadre de gouvernance on-chain Voltaire, plut\u00f4t que par une action unilat\u00e9rale d&rsquo;IOG. Sous Voltaire, les <strong>DReps<\/strong> (Repr\u00e9sentants D\u00e9l\u00e9gu\u00e9s) d\u00e9tiennent un pouvoir de vote proportionnel \u00e0 l&rsquo;ADA qui leur est d\u00e9l\u00e9gu\u00e9, et le Comit\u00e9 Constitutionnel doit ratifier les actions de gouvernance avant qu&rsquo;elles n&rsquo;atteignent le r\u00e9seau principal.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">La mise \u00e0 jour Van Rossem int\u00e8gre \u00e9galement une r\u00e9vision du mod\u00e8le de co\u00fbt de <strong>Plutus<\/strong>, la grille tarifaire qui d\u00e9finit le co\u00fbt informatique de chaque op\u00e9ration de smart contract. Cette action de gouvernance, soumise le 26 mai, affiche environ 55 % d&rsquo;approbation. Selon la <a href=\"https:\/\/intersectmbo.org\/news\/intersect-weekly-update-115-june-12-2026\" target=\"_blank\" rel=\"noopener nofollow\">mise \u00e0 jour d&rsquo;Intersect du 12 juin<\/a>, la ratification est attendue dans les prochaines semaines.<\/p>\r\n\r\n\r\n<h2 class=\"wp-block-heading\">\u00c9tat des lieux : Le r\u00e9seau Cardano est-il pr\u00eat ?<\/h2>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Le niveau de pr\u00e9paration \u00e0 l&rsquo;approche du 15 juin \u00e9tait mat\u00e9riellement meilleur que lors de n&rsquo;importe quelle autre fen\u00eatre de d\u00e9cision pass\u00e9e. Selon PoolTool, 52 % des n\u0153uds d\u00e9clarent utiliser la version 11 du protocole. Les donn\u00e9es de Cexplorer montrent une part de production de blocs encore plus \u00e9lev\u00e9e : 84 % des blocs frapp\u00e9s entre le 7 et le 12 juin provenaient de n\u0153uds v11, et 76 % de la production de blocs de l&rsquo;\u00e9poque actuelle tourne sous cette version.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Bien que le nombre de n\u0153uds et le poids de production de blocs diff\u00e8rent \u2014 les plus grands pools de mise ayant tendance \u00e0 se mettre \u00e0 jour plus rapidement \u2014 ces deux m\u00e9triques convergent. Intersect a d\u00e9crit l&rsquo;\u00e9tat de pr\u00e9paration des plateformes d&rsquo;\u00e9change comme \u00e9tant en \u00ab\u00a0am\u00e9lioration rapide\u00a0\u00bb.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Plusieurs portefeuilles l\u00e9gers (light wallets) sont d\u00e9j\u00e0 pleinement op\u00e9rationnels. Un probl\u00e8me de surconsommation de CPU signal\u00e9 par le protocole Indigo a \u00e9t\u00e9 identifi\u00e9 comme provenant d&rsquo;une ancienne version de la biblioth\u00e8que Lucid utilisant des valeurs cod\u00e9es en dur, et non d&rsquo;une faille du n\u0153ud ou du hard fork lui-m\u00eame. Aucun probl\u00e8me structurel au niveau du protocole n&rsquo;a \u00e9t\u00e9 d\u00e9tect\u00e9.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Pour les gestionnaires d&rsquo;infrastructure, deux voies de compatibilit\u00e9 sont maintenues par Intersect : les forks d&rsquo;Ogmios (v6.14.0.2) et de Kupo (v2.11.0.1), tous deux g\u00e9r\u00e9s par IOG, restent support\u00e9s en attendant la finalisation des versions amont.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Binance and Coinbase are now both showing Cardano\u2019s Van Rossem hard fork upgrade as In Progress.<br><br>This is another clear signal that the wider exchange infrastructure is preparing for the upgrade.<br><br>Exchange Readiness Completed is reporting as 20.69% <br>Exchange Readiness In Progress\u2026 <a href=\"https:\/\/t.co\/T7mKpK8Svi\" rel=\"nofollow\" target=\"_blank\">pic.twitter.com\/T7mKpK8Svi<\/a><\/p>&mdash; Dave (@ItsDave_ADA) <a href=\"https:\/\/x.com\/ItsDave_ADA\/status\/2066540733008334863?ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">June 15, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\r\n\r\n\r\n<h2 class=\"wp-block-heading\">L&rsquo;histoire humaine derri\u00e8re le nom &lsquo;Van Rossem&rsquo;<\/h2>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Cette mise \u00e0 jour porte un nom qui la distingue de tous les hard forks pr\u00e9c\u00e9dents de Cardano. <strong>Max van Rossem<\/strong> \u00e9tait un contributeur \u00e0 la gouvernance de Cardano, d\u00e9c\u00e9d\u00e9 le 11 janvier 2026. Son fils, Max Louis Hans van Rossem, est n\u00e9 ce m\u00eame jour.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Ce choix de nom n&rsquo;est pas seulement c\u00e9r\u00e9moniel. En janvier et f\u00e9vrier 2026, Intersect a organis\u00e9 un vote on-chain aupr\u00e8s des DReps pour nommer la version 11 du protocole ; le soutien a d\u00e9pass\u00e9 80 % des participations, constituant l&rsquo;un des votes de gouvernance les plus d\u00e9cisifs du r\u00e9seau.<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Comme l&rsquo;a \u00e9crit Intersect dans son rapport du 12 juin : \u00ab\u00a0Il grandira dans un monde o\u00f9 la blockchain que son p\u00e8re a aid\u00e9 \u00e0 fa\u00e7onner porte son nom de famille. Un hard fork nomm\u00e9 non pas pour un produit ou une \u00e9tape technique, mais pour un \u00eatre humain qui a donn\u00e9 son temps, son esprit et son c\u0153ur \u00e0 un avenir d\u00e9centralis\u00e9 auquel il croyait.\u00a0\u00bb<\/p>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Ce vote a servi de preuve de concept pour le syst\u00e8me de gouvernance de Cardano que la mise \u00e0 jour Van Rossem vise \u00e0 cimenter : le remplacement des d\u00e9cisions impuls\u00e9es par les fondateurs par des mandats communautaires.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Cardano franchit une \u00e9tape historique avec le hard fork Van Rossem. D\u00e9couvrez l&rsquo;enjeu de cette mise \u00e0 jour g\u00e9r\u00e9e par la communaut\u00e9 et l&rsquo;impact sur l&rsquo;ADA.<\/p>\n","protected":false},"author":135978,"featured_media":34471,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"coin":[15],"class_list":["post-34472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cardano : Le hard fork Van Rossem face au verdict du mainnet<\/title>\n<meta name=\"description\" content=\"Cardano franchit une \u00e9tape historique avec le hard fork Van Rossem. D\u00e9couvrez l&#039;enjeu de cette mise \u00e0 jour g\u00e9r\u00e9e par la communaut\u00e9 et l&#039;impact sur l&#039;ADA.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cardano : Le hard fork Van Rossem face au verdict du mainnet\" \/>\n<meta property=\"og:description\" content=\"Cardano franchit une \u00e9tape historique avec le hard fork Van Rossem. D\u00e9couvrez l&#039;enjeu de cette mise \u00e0 jour g\u00e9r\u00e9e par la communaut\u00e9 et l&#039;impact sur l&#039;ADA.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/\" \/>\n<meta property=\"og:site_name\" content=\"99bitcoins FR\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-18T11:03:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/99bitcoins.com\/fr\/wp-content\/uploads\/sites\/4\/2026\/06\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Martin Pelletier\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Martin Pelletier\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/\"},\"author\":{\"name\":\"Martin Pelletier\",\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/#\\\/schema\\\/person\\\/d6acaa19de409b9e22e3f740da472d70\"},\"headline\":\"Cardano : Le hard fork Van Rossem face au verdict du mainnet\",\"datePublished\":\"2026-06-18T11:03:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/\"},\"wordCount\":882,\"publisher\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg\",\"articleSection\":[\"Derni\u00e8res Actualit\u00e9s Crypto en Fran\u00e7ais\"],\"inLanguage\":\"fr-FR\",\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/\",\"url\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/\",\"name\":\"Cardano : Le hard fork Van Rossem face au verdict du mainnet\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg\",\"datePublished\":\"2026-06-18T11:03:10+00:00\",\"description\":\"Cardano franchit une \u00e9tape historique avec le hard fork Van Rossem. D\u00e9couvrez l'enjeu de cette mise \u00e0 jour g\u00e9r\u00e9e par la communaut\u00e9 et l'impact sur l'ADA.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/#primaryimage\",\"url\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg\",\"contentUrl\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg\",\"width\":1200,\"height\":675},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Derni\u00e8res Actualit\u00e9s Crypto en Fran\u00e7ais\",\"item\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/actu\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cardano : Le hard fork Van Rossem face au verdict du mainnet\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/\",\"name\":\"99bitcoins FR\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/#organization\",\"name\":\"99bitcoins\",\"alternateName\":\"99bitcoins\",\"url\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2024\\\/10\\\/99bitcoins-logo.svg\",\"contentUrl\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2024\\\/10\\\/99bitcoins-logo.svg\",\"width\":201,\"height\":43,\"caption\":\"99bitcoins\"},\"image\":{\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/#\\\/schema\\\/person\\\/d6acaa19de409b9e22e3f740da472d70\",\"name\":\"Martin Pelletier\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/619e41ea263b14379ed26acd8625eb311d3bfa4305a6b2b05fb2ad7937b9e869?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/619e41ea263b14379ed26acd8625eb311d3bfa4305a6b2b05fb2ad7937b9e869?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/619e41ea263b14379ed26acd8625eb311d3bfa4305a6b2b05fb2ad7937b9e869?s=96&d=mm&r=g\",\"caption\":\"Martin Pelletier\"},\"description\":\"Journaliste et analyste sp\u00e9cialis\u00e9 dans les crypto-monnaies et la blockchain, Martin Pelletier explore les dynamiques du Web3 et des nouvelles technologies financi\u00e8res depuis 2019. Fort d\u2019une exp\u00e9rience dans la finance traditionnelle, il s\u2019est tourn\u00e9 vers le monde des actifs num\u00e9riques pour \u00e9clairer les lecteurs sur les d\u00e9fis et les opportunit\u00e9s de cet \u00e9cosyst\u00e8me en constante \u00e9volution. \u00c0 travers des articles d'analyse, des interviews d\u2019experts et des rapports d\u00e9taill\u00e9s, Martin propose des contenus p\u00e9dagogiques et accessibles pour d\u00e9mocratiser des sujets complexes comme la finance d\u00e9centralis\u00e9e (DeFi), les NFT, et les monnaies num\u00e9riques des banques centrales (CBDC).\",\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/in\\\/martin-pelletier-a923ba343\\\/\"],\"url\":\"https:\\\/\\\/99bitcoins.com\\\/fr\\\/author\\\/martinpelletier\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Cardano : Le hard fork Van Rossem face au verdict du mainnet","description":"Cardano franchit une \u00e9tape historique avec le hard fork Van Rossem. D\u00e9couvrez l'enjeu de cette mise \u00e0 jour g\u00e9r\u00e9e par la communaut\u00e9 et l'impact sur l'ADA.","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:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/","og_locale":"fr_FR","og_type":"article","og_title":"Cardano : Le hard fork Van Rossem face au verdict du mainnet","og_description":"Cardano franchit une \u00e9tape historique avec le hard fork Van Rossem. D\u00e9couvrez l'enjeu de cette mise \u00e0 jour g\u00e9r\u00e9e par la communaut\u00e9 et l'impact sur l'ADA.","og_url":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/","og_site_name":"99bitcoins FR","article_published_time":"2026-06-18T11:03:10+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/99bitcoins.com\/fr\/wp-content\/uploads\/sites\/4\/2026\/06\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg","type":"image\/jpeg"}],"author":"Martin Pelletier","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Martin Pelletier","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"NewsArticle","@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/#article","isPartOf":{"@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/"},"author":{"name":"Martin Pelletier","@id":"https:\/\/99bitcoins.com\/fr\/#\/schema\/person\/d6acaa19de409b9e22e3f740da472d70"},"headline":"Cardano : Le hard fork Van Rossem face au verdict du mainnet","datePublished":"2026-06-18T11:03:10+00:00","mainEntityOfPage":{"@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/"},"wordCount":882,"publisher":{"@id":"https:\/\/99bitcoins.com\/fr\/#organization"},"image":{"@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/#primaryimage"},"thumbnailUrl":"https:\/\/99bitcoins.com\/fr\/wp-content\/uploads\/sites\/4\/2026\/06\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg","articleSection":["Derni\u00e8res Actualit\u00e9s Crypto en Fran\u00e7ais"],"inLanguage":"fr-FR","copyrightYear":"2026","copyrightHolder":{"@id":"https:\/\/99bitcoins.com\/#organization"}},{"@type":"WebPage","@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/","url":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/","name":"Cardano : Le hard fork Van Rossem face au verdict du mainnet","isPartOf":{"@id":"https:\/\/99bitcoins.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/#primaryimage"},"image":{"@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/#primaryimage"},"thumbnailUrl":"https:\/\/99bitcoins.com\/fr\/wp-content\/uploads\/sites\/4\/2026\/06\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg","datePublished":"2026-06-18T11:03:10+00:00","description":"Cardano franchit une \u00e9tape historique avec le hard fork Van Rossem. D\u00e9couvrez l'enjeu de cette mise \u00e0 jour g\u00e9r\u00e9e par la communaut\u00e9 et l'impact sur l'ADA.","breadcrumb":{"@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/#primaryimage","url":"https:\/\/99bitcoins.com\/fr\/wp-content\/uploads\/sites\/4\/2026\/06\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg","contentUrl":"https:\/\/99bitcoins.com\/fr\/wp-content\/uploads\/sites\/4\/2026\/06\/cardano-van-rossem-hard-fork-mainnet-ada-governance-featured.jpg","width":1200,"height":675},{"@type":"BreadcrumbList","@id":"https:\/\/99bitcoins.com\/fr\/actu\/cardano-le-hard-fork-van-rossem-face-au-verdict-du-mainnet\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/99bitcoins.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Derni\u00e8res Actualit\u00e9s Crypto en Fran\u00e7ais","item":"https:\/\/99bitcoins.com\/fr\/actu\/"},{"@type":"ListItem","position":3,"name":"Cardano : Le hard fork Van Rossem face au verdict du mainnet"}]},{"@type":"WebSite","@id":"https:\/\/99bitcoins.com\/fr\/#website","url":"https:\/\/99bitcoins.com\/fr\/","name":"99bitcoins FR","description":"","publisher":{"@id":"https:\/\/99bitcoins.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/99bitcoins.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/99bitcoins.com\/fr\/#organization","name":"99bitcoins","alternateName":"99bitcoins","url":"https:\/\/99bitcoins.com\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/99bitcoins.com\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/99bitcoins.com\/fr\/wp-content\/uploads\/sites\/4\/2024\/10\/99bitcoins-logo.svg","contentUrl":"https:\/\/99bitcoins.com\/fr\/wp-content\/uploads\/sites\/4\/2024\/10\/99bitcoins-logo.svg","width":201,"height":43,"caption":"99bitcoins"},"image":{"@id":"https:\/\/99bitcoins.com\/fr\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/99bitcoins.com\/fr\/#\/schema\/person\/d6acaa19de409b9e22e3f740da472d70","name":"Martin Pelletier","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/619e41ea263b14379ed26acd8625eb311d3bfa4305a6b2b05fb2ad7937b9e869?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/619e41ea263b14379ed26acd8625eb311d3bfa4305a6b2b05fb2ad7937b9e869?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/619e41ea263b14379ed26acd8625eb311d3bfa4305a6b2b05fb2ad7937b9e869?s=96&d=mm&r=g","caption":"Martin Pelletier"},"description":"Journaliste et analyste sp\u00e9cialis\u00e9 dans les crypto-monnaies et la blockchain, Martin Pelletier explore les dynamiques du Web3 et des nouvelles technologies financi\u00e8res depuis 2019. Fort d\u2019une exp\u00e9rience dans la finance traditionnelle, il s\u2019est tourn\u00e9 vers le monde des actifs num\u00e9riques pour \u00e9clairer les lecteurs sur les d\u00e9fis et les opportunit\u00e9s de cet \u00e9cosyst\u00e8me en constante \u00e9volution. \u00c0 travers des articles d'analyse, des interviews d\u2019experts et des rapports d\u00e9taill\u00e9s, Martin propose des contenus p\u00e9dagogiques et accessibles pour d\u00e9mocratiser des sujets complexes comme la finance d\u00e9centralis\u00e9e (DeFi), les NFT, et les monnaies num\u00e9riques des banques centrales (CBDC).","sameAs":["https:\/\/www.linkedin.com\/in\/martin-pelletier-a923ba343\/"],"url":"https:\/\/99bitcoins.com\/fr\/author\/martinpelletier\/"}]}},"_links":{"self":[{"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/posts\/34472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/users\/135978"}],"replies":[{"embeddable":true,"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/comments?post=34472"}],"version-history":[{"count":1,"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/posts\/34472\/revisions"}],"predecessor-version":[{"id":34478,"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/posts\/34472\/revisions\/34478"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/media\/34471"}],"wp:attachment":[{"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/media?parent=34472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/categories?post=34472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/tags?post=34472"},{"taxonomy":"coin","embeddable":true,"href":"https:\/\/99bitcoins.com\/fr\/wp-json\/wp\/v2\/coin?post=34472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}