{"id":10191,"date":"2026-08-15T07:48:52","date_gmt":"2026-08-15T07:48:52","guid":{"rendered":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/08\/15\/la-fondation-ethereum-remplace-poseidon-par-sha-et-blake-pour-la-couche-1\/"},"modified":"2026-08-15T07:48:52","modified_gmt":"2026-08-15T07:48:52","slug":"la-fondation-ethereum-remplace-poseidon-par-sha-et-blake-pour-la-couche-1","status":"publish","type":"post","link":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/08\/15\/la-fondation-ethereum-remplace-poseidon-par-sha-et-blake-pour-la-couche-1\/","title":{"rendered":"La Fondation Ethereum remplace Poseidon par SHA et BLAKE pour la couche 1"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><em><span style=\"font-weight: 400\">Ethereum remplace Poseidon par SHA et BLAKE pour les futures mises \u00e0 niveau de la couche 1.<\/span><\/em><\/li>\n<li style=\"font-weight: 400\"><em><span style=\"font-weight: 400\">Les progr\u00e8s des SNARK \u00e0 corps binaires rendent \u00e0 nouveau pratiques les fonctions de hachage traditionnelles.<\/span><\/em><\/li>\n<li style=\"font-weight: 400\"><em><span style=\"font-weight: 400\">La feuille de route vise leanVM en 2027 avec des d\u00e9ploiements plus larges pr\u00e9vus pour 2028.<\/span><\/em><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">La Fondation Ethereum modifie sa strat\u00e9gie cryptographique \u00e0 long terme en rempla\u00e7ant Poseidon par SHA et BLAKE pour le d\u00e9veloppement de la couche 1. Ce changement fait suite \u00e0 des avanc\u00e9es majeures dans la technologie des preuves \u00e0 connaissance nulle, qui rendent d\u00e9sormais les m\u00e9thodes de hachage traditionnelles plus pratiques pour les futures mises \u00e0 niveau du r\u00e9seau.<\/span><\/p>\n<h2><b>Ethereum se tourne vers des fonctions de hachage \u00e9prouv\u00e9es<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Justin Drake, chercheur \u00e0 la Fondation Ethereum, a <a href=\"https:\/\/x.com\/drakefjustin\/status\/2087905684180418733?s=20\"><span style=\"font-weight: 400\">annonc\u00e9<\/span><\/a> dans un article publi\u00e9 sur X le 13 ao\u00fbt que le r\u00e9seau s&rsquo;\u00e9loignerait de Poseidon apr\u00e8s des ann\u00e9es d&rsquo;investissement en recherche. Cette d\u00e9cision marque un changement important dans la feuille de route de la <a href=\"https:\/\/www.livebitcoinnews.com\/ethereum-foundation-launches-post-quantum-security-hub-after-8-years-of-research\/\"><span style=\"font-weight: 400\">s\u00e9curit\u00e9 post-quantique d&rsquo;Ethereum<\/span><\/a> et dans sa future architecture cryptographique.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Poseidon est apparu en 2019 comme une fonction de hachage sp\u00e9cialis\u00e9e con\u00e7ue pour les syst\u00e8mes de preuve \u00e0 connaissance nulle. Elle est rapidement devenue un choix populaire parmi les zk-rollups et les zkVM qui s\u00e9curisent des milliards d&rsquo;actifs num\u00e9riques.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Cependant, des perc\u00e9es r\u00e9centes ont r\u00e9duit le besoin d&rsquo;outils cryptographiques sp\u00e9cialis\u00e9s au sein des syst\u00e8mes de preuve. Les chercheurs ont d\u00e9montr\u00e9 que les fonctions de hachage standard peuvent d\u00e9sormais atteindre une efficacit\u00e9 similaire avec les nouveaux cadres de preuve.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Drake a d\u00e9clar\u00e9 que la perc\u00e9e cl\u00e9 venait de l&rsquo;am\u00e9lioration des syst\u00e8mes de preuve plut\u00f4t que de la conception de hachages personnalis\u00e9s. Par cons\u00e9quent, SHA et BLAKE peuvent d\u00e9sormais rivaliser avec <a href=\"https:\/\/www.livebitcoinnews.com\/vitalik-warns-of-quantum-threat-as-ethereum-unveils-strawmap\/\"><span style=\"font-weight: 400\">Poseidon<\/span><\/a> tout en b\u00e9n\u00e9ficiant d&rsquo;une analyse de s\u00e9curit\u00e9 plus large.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Cette d\u00e9cision affecte la feuille de route future de la couche 1 d&rsquo;Ethereum plut\u00f4t que les applications existantes qui utilisent d\u00e9j\u00e0 Poseidon. Les projets actuels bas\u00e9s sur la connaissance nulle peuvent continuer \u00e0 fonctionner sans apporter de changements imm\u00e9diats \u00e0 leur protocole.<\/span><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Goodbye, Poseidon!<\/p>\n<p>An epic 8-year, 8-figure rabbit hole in post-quantum cryptography reaches its dream conclusion. The Ethereum Foundation is abandoning Poseidon for L1, pivoting to SHA or BLAKE. This milestone unlocks ultimate security for lean Ethereum and foreshadows a golden\u2026<\/p>\n<p>&mdash; Justin Drake (@drakefjustin) <a href=\"https:\/\/x.com\/drakefjustin\/status\/2087905684180418733?ref_src=twsrc%5Etfw\">August 13, 2026<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<h2><b>La recherche sur les corps binaires change la donne<\/b><\/h2>\n<p><span style=\"font-weight: 400\">La d\u00e9cision d&rsquo;Ethereum fait suite aux progr\u00e8s des SNARK \u00e0 corps binaires, qui traitent les calculs bit \u00e0 bit plus efficacement que les approches pr\u00e9c\u00e9dentes. Ces syst\u00e8mes s&rsquo;alignent naturellement sur les fonctions de hachage traditionnelles utilis\u00e9es dans les environnements informatiques.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Selon Drake, les conceptions modernes peuvent prouver environ un million d&rsquo;op\u00e9rations de hachage traditionnelles par seconde sur du mat\u00e9riel grand public. Ce niveau de performance \u00e9tait auparavant consid\u00e9r\u00e9 comme irr\u00e9aliste dans les environnements de preuve \u00e0 connaissance nulle.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Les travaux de recherche tels que Binius et Flock ont contribu\u00e9 \u00e0 ces am\u00e9liorations gr\u00e2ce \u00e0 des architectures \u00e0 corps binaires optimis\u00e9es. Leurs travaux ont consid\u00e9rablement r\u00e9duit les co\u00fbts de preuve pour des fonctions cryptographiques \u00e9tablies comme SHA et BLAKE.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Ce d\u00e9veloppement pourrait simplifier les hypoth\u00e8ses de s\u00e9curit\u00e9 d&rsquo;Ethereum tout en r\u00e9duisant la d\u00e9pendance \u00e0 des constructions cryptographiques moins test\u00e9es. Les hachages traditionnels ont fait l&rsquo;objet d&rsquo;un examen approfondi pendant des d\u00e9cennies dans des environnements acad\u00e9miques et commerciaux.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Par cons\u00e9quent, <a href=\"https:\/\/www.livebitcoinnews.com\/ethereum-foundation-reveals-major-upgrade-goals-for-2026\/\"><span style=\"font-weight: 400\">Ethereum<\/span><\/a> peut se concentrer sur des normes cryptographiques \u00e9prouv\u00e9es tout en maintenant ses objectifs de performance pour les futures mises \u00e0 niveau du r\u00e9seau.<\/span><\/p>\n<h2><b>La feuille de route post-quantique prend de l&rsquo;ampleur<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Cette strat\u00e9gie soutient \u00e9galement la pr\u00e9paration plus large d&rsquo;Ethereum \u00e0 une infrastructure r\u00e9sistante aux ordinateurs quantiques \u00e0 travers le r\u00e9seau. Les d\u00e9veloppeurs continuent d&rsquo;explorer des m\u00e9thodes qui prot\u00e8gent les syst\u00e8mes de blockchain contre les futures avanc\u00e9es de l&rsquo;informatique quantique.<\/span><\/p>\n<p><span style=\"font-weight: 400\">La cryptographie \u00e0 base de hachage reste un composant central des plans de s\u00e9curit\u00e9 \u00e0 long terme d&rsquo;Ethereum. En outre, l&rsquo;agr\u00e9gation de preuves pourrait compresser un grand nombre de signatures en des preuves compactes pour une v\u00e9rification efficace.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Drake a d\u00e9clar\u00e9 que l&rsquo;initiative leanVM d&rsquo;Ethereum reste en bonne voie pour une version pr\u00eate pour la production en 2027. Les d\u00e9ploiements \u00e0 travers les couches de consensus, d&rsquo;ex\u00e9cution et de donn\u00e9es sont actuellement vis\u00e9s pour 2028.<\/span><\/p>\n<p><span style=\"font-weight: 400\">La derni\u00e8re feuille de route refl\u00e8te la pr\u00e9f\u00e9rence d&rsquo;Ethereum pour des fondations cryptographiques plus simples et largement test\u00e9es. Si le rythme actuel des recherches se poursuit, le r\u00e9seau pourrait renforcer sa s\u00e9curit\u00e9 tout en am\u00e9liorant son \u00e9volutivit\u00e9 et en p\u00e9rennisant ses infrastructures critiques.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ethereum remplace Poseidon par SHA et BLAKE pour les futures mises \u00e0 niveau de la couche 1. Les progr\u00e8s des SNARK \u00e0 corps binaires rendent \u00e0 nouveau pratiques les fonctions de hachage traditionnelles. La feuille de route vise leanVM en 2027 avec des d\u00e9ploiements plus larges pr\u00e9vus pour 2028. La Fondation Ethereum modifie sa strat\u00e9gie [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":10190,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[6],"tags":[837,1489,1490],"class_list":["post-10191","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethereum","tag-ethereum-foundation","tag-justin-drake","tag-poseidon"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La Fondation Ethereum remplace Poseidon par SHA et BLAKE pour la couche 1 - France Live Bitcoin News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/global.livebitcoinnews.com\/fr\/2026\/08\/15\/la-fondation-ethereum-remplace-poseidon-par-sha-et-blake-pour-la-couche-1\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La Fondation Ethereum remplace Poseidon par SHA et BLAKE pour la couche 1 - France Live Bitcoin News\" \/>\n<meta property=\"og:description\" content=\"Ethereum remplace Poseidon par SHA et BLAKE pour les futures mises \u00e0 niveau de la couche 1. 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