{"id":10193,"date":"2026-08-15T08:03:25","date_gmt":"2026-08-15T08:03:25","guid":{"rendered":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/08\/15\/la-fondation-ethereum-remplace-poseidon-par-sha-et-blake-pour-l1\/"},"modified":"2026-08-15T08:03:25","modified_gmt":"2026-08-15T08:03:25","slug":"la-fondation-ethereum-remplace-poseidon-par-sha-et-blake-pour-l1","status":"publish","type":"post","link":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/08\/15\/la-fondation-ethereum-remplace-poseidon-par-sha-et-blake-pour-l1\/","title":{"rendered":"La Fondation Ethereum remplace Pos\u00e9idon par SHA et BLAKE pour L1"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><em><span style=\"font-weight: 400\">Ethereum remplace Pos\u00e9idon par SHA et BLAKE pour les futures mises \u00e0 niveau de couche 1.<\/span><\/em><\/li>\n<li style=\"font-weight: 400\"><em><span style=\"font-weight: 400\">Les avanc\u00e9es SNARK en champ binaire rendent les fonctions de hachage traditionnelles \u00e0 nouveau pratiques.<\/span><\/em><\/li>\n<li style=\"font-weight: 400\"><em><span style=\"font-weight: 400\">La feuille de route cible 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 de cryptographie \u00e0 long terme en rempla\u00e7ant Pos\u00e9idon par SHA et BLAKE pour le d\u00e9veloppement de la couche 1. Ce changement fait suite \u00e0 des avanc\u00e9es majeures dans la technologie \u00e0 preuve de 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 \u00e9volue vers des fonctions de hachage \u00e9tablies<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Justin Drake, chercheur \u00e0 la Fondation Ethereum, dans un article du 13 ao\u00fbt sur X,<\/span><a href=\"https:\/\/x.com\/drakefjustin\/status\/2087905684180418733?s=20\"><span style=\"font-weight: 400\">annonc\u00e9<\/span><\/a><span style=\"font-weight: 400\">que le r\u00e9seau s&rsquo;\u00e9loignerait de Pos\u00e9idon apr\u00e8s des ann\u00e9es d&rsquo;investissement dans la recherche. Cette d\u00e9cision marque un changement important dans<\/span><a href=\"https:\/\/www.livebitcoinnews.com\/ethereum-foundation-launches-post-quantum-security-hub-after-8-years-of-research\/\"><span style=\"font-weight: 400\">La s\u00e9curit\u00e9 post-quantique d\u2019Ethereum<\/span><\/a><span style=\"font-weight: 400\">feuille de route et future architecture cryptographique.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Pos\u00e9idon est apparu en 2019 en tant que fonction de hachage sp\u00e9cialis\u00e9e con\u00e7ue pour les syst\u00e8mes \u00e0 preuve de connaissance nulle. Il est rapidement devenu 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, de r\u00e9centes avanc\u00e9es ont r\u00e9duit le besoin d\u2019outils 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 dans des cadres de preuve plus r\u00e9cents.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Drake a d\u00e9clar\u00e9 que la principale avanc\u00e9e est venue de l&rsquo;am\u00e9lioration des syst\u00e8mes de preuve au lieu de la conception de hachages personnalis\u00e9s. En cons\u00e9quence, SHA et BLAKE peuvent d\u00e9sormais rivaliser avec<\/span><a href=\"https:\/\/www.livebitcoinnews.com\/vitalik-warns-of-quantum-threat-as-ethereum-unveils-strawmap\/\"><span style=\"font-weight: 400\">Pos\u00e9idon<\/span><\/a><span style=\"font-weight: 400\">tout en b\u00e9n\u00e9ficiant d\u2019une analyse de s\u00e9curit\u00e9 plus large.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Cette d\u00e9cision affecte la future feuille de route de couche 1 d\u2019Ethereum plut\u00f4t que les applications existantes utilisant d\u00e9j\u00e0 Pos\u00e9idon. Les projets actuels bas\u00e9s sur zk peuvent continuer \u00e0 fonctionner sans apporter de modifications imm\u00e9diates au protocole.<\/span><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Au revoir Pos\u00e9idon !<\/p>\n<p>Un terrier de lapin \u00e9pique de 8 ans et 8 chiffres en cryptographie post-quantique atteint la conclusion de son r\u00eave. La Fondation Ethereum abandonne Pos\u00e9idon pour L1, passant \u00e0 SHA ou BLAKE. Cette \u00e9tape ouvre la voie \u00e0 une s\u00e9curit\u00e9 ultime pour le lean Ethereum et pr\u00e9figure un avenir dor\u00e9\u2026<\/p>\n<p>\u2013 Justin Drake (@drakefjustin)<a href=\"https:\/\/x.com\/drakefjustin\/status\/2087905684180418733?ref_src=twsrc%5Etfw\">13 ao\u00fbt 2026<\/a><\/p>\n<\/blockquote>\n<h2><b>La recherche sur le champ binaire change l&rsquo;\u00e9quation<\/b><\/h2>\n<p><span style=\"font-weight: 400\">La d\u00e9cision d\u2019Ethereum fait suite aux progr\u00e8s des SNARK \u00e0 champ binaire, qui g\u00e8rent les calculs bas\u00e9s sur les bits 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 \u00e0 connaissance nulle.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Des efforts de recherche tels que Binius et Flock ont \u200b\u200bcontribu\u00e9 \u00e0 ces am\u00e9liorations gr\u00e2ce \u00e0 des architectures de champ binaire optimis\u00e9es. Leur travail a consid\u00e9rablement r\u00e9duit les co\u00fbts de preuve des fonctions cryptographiques \u00e9tablies telles que SHA et BLAKE.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Le d\u00e9veloppement pourrait simplifier les hypoth\u00e8ses de s\u00e9curit\u00e9 d\u2019Ethereum tout en r\u00e9duisant le recours \u00e0 des constructions cryptographiques moins test\u00e9es. Les hachages traditionnels font l\u2019objet d\u2019un examen approfondi depuis des d\u00e9cennies dans les environnements universitaires et commerciaux.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Par cons\u00e9quent,<\/span><a href=\"https:\/\/www.livebitcoinnews.com\/ethereum-foundation-reveals-major-upgrade-goals-for-2026\/\"><span style=\"font-weight: 400\">\u00c9thereum<\/span><\/a><span style=\"font-weight: 400\">peut se concentrer sur des normes cryptographiques \u00e9prouv\u00e9es tout en maintenant les objectifs de performances pour les futures mises \u00e0 niveau du r\u00e9seau.<\/span><\/p>\n<h2><b>La feuille de route post-quantique prend de l\u2019ampleur<\/b><\/h2>\n<p><span style=\"font-weight: 400\">La strat\u00e9gie soutient \u00e9galement la pr\u00e9paration plus large d\u2019Ethereum \u00e0 une infrastructure r\u00e9sistante aux quantiques sur l\u2019ensemble du r\u00e9seau. Les d\u00e9veloppeurs continuent d\u2019explorer des m\u00e9thodes permettant de prot\u00e9ger les syst\u00e8mes blockchain contre les avanc\u00e9es futures de l\u2019informatique quantique.<\/span><\/p>\n<p><span style=\"font-weight: 400\">La cryptographie bas\u00e9e sur le hachage reste un \u00e9l\u00e9ment central des plans de s\u00e9curit\u00e9 \u00e0 long terme d\u2019Ethereum. De plus, l\u2019agr\u00e9gation de preuves pourrait compresser un grand nombre de signatures en 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 sur la 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 cibl\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\u2019Ethereum pour des fondations cryptographiques plus simples et largement test\u00e9es. Si les progr\u00e8s actuels de la recherche se poursuivent, le r\u00e9seau pourrait renforcer la s\u00e9curit\u00e9 tout en am\u00e9liorant l\u2019\u00e9volutivit\u00e9 et la p\u00e9rennit\u00e9 des infrastructures critiques.<\/span><\/p>\n<p><!-- source_url: https:\/\/www.livebitcoinnews.com\/ethereum-foundation-replaces-poseidon-with-sha-and-blake-for-l1\/ --><\/p>\n<p><em>Source : <a href=\"https:\/\/www.livebitcoinnews.com\/ethereum-foundation-replaces-poseidon-with-sha-and-blake-for-l1\/\" rel=\"nofollow noopener\" target=\"_blank\">Live Bitcoin News<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ethereum remplace Pos\u00e9idon par SHA et BLAKE pour les futures mises \u00e0 niveau de couche 1. Les avanc\u00e9es SNARK en champ binaire rendent les fonctions de hachage traditionnelles \u00e0 nouveau pratiques. La feuille de route cible leanVM en 2027 avec des d\u00e9ploiements plus larges pr\u00e9vus pour 2028. La Fondation Ethereum modifie sa strat\u00e9gie de cryptographie [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":10192,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[6],"tags":[111,837,1489,1490],"class_list":["post-10193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethereum","tag-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 Pos\u00e9idon par SHA et BLAKE pour L1 - 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-l1\/\" \/>\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 Pos\u00e9idon par SHA et BLAKE pour L1 - France Live Bitcoin News\" \/>\n<meta property=\"og:description\" content=\"Ethereum remplace Pos\u00e9idon par SHA et BLAKE pour les futures mises \u00e0 niveau de couche 1. 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