{"id":1910,"date":"2026-06-14T19:50:48","date_gmt":"2026-06-14T14:20:48","guid":{"rendered":"https:\/\/stnews.live\/2026\/06\/kohaku-lead-states-ethereum-can-quantum-proof-accounts-only-7-cents-2\/"},"modified":"2026-06-14T19:50:48","modified_gmt":"2026-06-14T14:20:48","slug":"kohaku-lead-states-ethereum-can-quantum-proof-accounts-only-7-cents","status":"publish","type":"post","link":"https:\/\/stnews.live\/fr\/2026\/06\/kohaku-lead-states-ethereum-can-quantum-proof-accounts-only-7-cents\/","title":{"rendered":"Kohaku Lead D\u00e9clare qu&#8217;Ethereum Peut Prot\u00e9ger les Comptes Contre les Quantum pour Seulement 7 Cents"},"content":{"rendered":"\n<p class=\"has-small-font-size\" style=\"font-size:0.85em;color:#666\"><em>Cet article est \u00e0 des fins d&#8217;information uniquement et ne constitue pas un conseil financier ou d&#8217;investissement. Les march\u00e9s de la cryptomonnaie sont tr\u00e8s volatils. Faites toujours vos propres recherches avant de prendre des d\u00e9cisions d&#8217;investissement.<\/em><\/p>\n\n\n<p><a href=\"https:\/\/stnews.live\/2026\/05\/bit-digital-backs-whitefiber-100m-ethereum-linked-loan\/\" rel=\"noopener\">La capacit\u00e9 d&#8217;Ethereum<\/a> \u00e0 prot\u00e9ger les comptes utilisateurs contre les menaces quantiques pour environ 0,07 $ chacun d\u00e9pend de Kohaku, la nouvelle approche opt-in de la Fondation, selon un rapport de <a href=\"https:\/\/cryptobriefing.com\/ethereum-kohaku-post-quantum-account-protection\/\" rel=\"nofollow noopener\">Crypto Briefing<\/a> dat\u00e9 de juin 2026. La forte r\u00e9duction des co\u00fbts montre la puissance de l&#8217;abstraction de compte ERC-4337, car elle contourne les mises \u00e0 niveau controvers\u00e9es \u00e0 l&#8217;\u00e9chelle du r\u00e9seau et permet aux utilisateurs d&#8217;agir quand ils le souhaitent. Ainsi, au lieu d&#8217;attendre un fork co\u00fbteux \u00e0 l&#8217;\u00e9chelle du protocole, Kohaku permet \u00e0 quiconque de d\u00e9ployer imm\u00e9diatement un compte r\u00e9sistant aux menaces quantiques.<\/p>\n\n\n<p>Les documents d&#8217;Ethereum le formulent un peu plus succinctement : chaque action on-chain est visible par quiconque qui regarde,&#8221;Briefing.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n<h2 class=\"wp-block-heading\">Comment Kohaku offre une r\u00e9sistance quantique<\/h2>\n\n\n<p>Les essais sur le testnet de Layer 1 ont confirm\u00e9 que les utilisateurs d&#8217;Ethereum peuvent passer \u00e0 des comptes intelligents r\u00e9sistants aux menaces quantiques pour seulement 0,07 $, gr\u00e2ce au syst\u00e8me opt-in de Kohaku comme d\u00e9taill\u00e9 par <a href=\"https:\/\/cryptoadventure.com\/ethereum-researcher-says-post-quantum-account-protection-can-start-for-0-07\/\" rel=\"nofollow noopener\">Cryptoadventure<\/a>.<\/p>\n\n\n<p>Ce changement bloque les attaquants avec des ordinateurs quantiques futurs de falsifier des signatures de portefeuille ou de vider des fonds. Les donn\u00e9es montrent que le d\u00e9ploiement d&#8217;un compte Kohaku r\u00e9sistant aux menaces quantiques co\u00fbte en moyenne seulement sept cents, rendu possible par un design de gaz efficace\u2014environ 150 000 unit\u00e9s pour le v\u00e9rificateur standard et 127 000 pour la variante optimis\u00e9e C13.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n<h2 class=\"wp-block-heading\">La chronologie des efforts de s\u00e9curit\u00e9 quantique d&#8217;Ethereum<\/h2>\n\n\n<p>Kohaku fait partie d&#8217;une initiative plus large d&#8217;Ethereum pour la s\u00e9curit\u00e9 quantique. Le d\u00e9veloppement s&#8217;est acc\u00e9l\u00e9r\u00e9 apr\u00e8s la formation officielle de l&#8217;\u00e9quipe de s\u00e9curit\u00e9 post-quantique en janvier 2026 sous Thomas Coratger\u2014une nouvelle urgence est apparue alors que le calendrier des forks de la Fondation a \u00e9t\u00e9 \u00e9tabli, visant une infrastructure post-quantique compl\u00e8te d&#8217;ici 2029. La division Quantum AI de Google a estim\u00e9 en mars 2026 que le d\u00e9chiffrement de la cryptographie elliptique \u00e0 256 bits, qui sous-tend les comptes Ethereum, pourrait n\u00e9cessiter environ 1 200 qubits logiques.<\/p>\n\n\n<p>La prochaine mise \u00e0 niveau majeure, Hegot\u00e1, pourrait arriver d\u00e8s la fin de 2026, selon la Fondation Ethereum. Ce fork inclut l&#8217;EIP-8141, qui vise \u00e0 simplifier la migration vers des comptes s\u00e9curis\u00e9s contre les menaces quantiques. Les jalons pr\u00e9c\u00e9dents\u2014comme les mises \u00e0 niveau Pectra et Fusaka en mai et d\u00e9cembre 2025\u2014ont contribu\u00e9 \u00e0 ouvrir la voie en am\u00e9liorant la d\u00e9l\u00e9gation et l&#8217;\u00e9chantillonnage des donn\u00e9es, \u00e9tablissant les bases de l&#8217;abstraction des comptes.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n<h2 class=\"wp-block-heading\">Ce qui rend l&#8217;approche de Kohaku unique<\/h2>\n\n\n<p>Kohaku se distingue parce que, contrairement aux mises \u00e0 niveau de s\u00e9curit\u00e9 traditionnelles qui ont repos\u00e9 sur des forks durs co\u00fbteux et perturbateurs, cette solution fonctionne comme une mise \u00e0 niveau de contrat intelligent optionnelle pour chaque compte individuel, comme le note Crypto Briefing. Normalement, les comptes aliment\u00e9s par la cryptographie elliptique standard rendent leurs cl\u00e9s publiques visibles dans le cadre de leur utilisation quotidienne\u2014un point faible que les ordinateurs quantiques pourraient \u00e9ventuellement exploiter pour r\u00e9cup\u00e9rer des cl\u00e9s priv\u00e9es et voler des actifs.<\/p>\n\n\n<p>Il est significatif qu&#8217;environ 0,1 % des fonds Ethereum dormants se trouvent dans d&#8217;anciens comptes vuln\u00e9rables.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n<h2 class=\"wp-block-heading\">Implications pour le march\u00e9 et r\u00e9ponse des utilisateurs<\/h2>\n\n\n<p>Aucun blockchain majeur n&#8217;a encore achev\u00e9 une migration compl\u00e8te post-quantique, donc tout le secteur reste expos\u00e9 aux perc\u00e9es de l&#8217;informatique quantique. Mais l&#8217;approche Kohaku d&#8217;Ethereum est la premi\u00e8re \u00e0 fournir un prix transparent\u2014seulement 0,07 $ par compte\u2014et un calendrier concret pour une protection quantique proactive et dirig\u00e9e par les utilisateurs.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n<h2 class=\"wp-block-heading\">Kohaku dans le contexte de la feuille de route de s\u00e9curit\u00e9 d&#8217;Ethereum<\/h2>\n\n\n<p>La vision compl\u00e8te de s\u00e9curit\u00e9 d&#8217;Ethereum regroupe la pr\u00e9paration post-quantique avec des mises \u00e0 niveau de confidentialit\u00e9 et de nouvelles couches d&#8217;abstraction. Les donn\u00e9es des mises \u00e0 niveau Pectra et Fusaka en 2025 confirment que le r\u00e9seau a gagn\u00e9 un contr\u00f4le plus granulaire des contrats intelligents et une meilleure distribution des donn\u00e9es\u2014des mises \u00e0 niveau structurelles qui pr\u00e9parent le terrain pour des migrations plus faciles vers des solutions s\u00e9curis\u00e9es contre les menaces quantiques.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n<h2 class=\"wp-block-heading\">Risques, limitations et voie \u00e0 suivre<\/h2>\n\n\n<p><a href=\"https:\/\/stnews.live\/2026\/05\/why-crypto-market-going-down-today-may-28\/\" rel=\"noopener\">march\u00e9<\/a> N\u00e9anmoins, selon Cryptoadventure, la recherche s&#8217;acc\u00e9l\u00e8re\u2014et le risque de perc\u00e9e augmente. Un attaquant aurait besoin d&#8217;un bond massif dans le mat\u00e9riel quantique pour extraire une cl\u00e9 priv\u00e9e d&#8217;une adresse publique en utilisant les signatures d&#8217;aujourd&#8217;hui, mais \u00e0 mesure que les exigences th\u00e9oriques approchent des limites pratiques, les fonds dormants et les avoirs institutionnels deviennent beaucoup plus vuln\u00e9rables.<\/p>\n\n\n<p>L&#8217;analyse actuelle indique qu&#8217;environ 0,1 % des fonds Ethereum dormants se trouvent dans des comptes \u00e0 risque.<\/p>\n\n\n<p>Il y a quelques obstacles : Les frais de gaz et les taux d&#8217;adoption de la DeFi pourraient ralentir la migration des utilisateurs.<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u00c0 l&#8217;avenir : S\u00e9curit\u00e9 quantique dans la blockchain<\/h3>\n\n\n<p>La perc\u00e9e d&#8217;Ethereum\u2014permettant aux utilisateurs de prot\u00e9ger leurs comptes contre les menaces quantiques pour seulement 0,07 $ via Kohaku\u2014attire l&#8217;attention de toute l&#8217;industrie.<\/p>\n\n\n<div class=\"wp-block-group has-very-light-gray-background-color has-background\" style=\"border-radius:6px;padding-top:12px;padding-right:16px;padding-bottom:12px;padding-left:16px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained wp-container-core-group-is-layout-e5e508ba\">\n\n<p><\/p>\n\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ethereum peut prot\u00e9ger les comptes contre les menaces quantiques pour seulement 7 cents, d\u00e9clare le responsable de Kohaku d&#8217;Ethereum. Kohaku propose une protection des comptes post-quantique sans hard fork, avec une protection compl\u00e8te.<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Ethereum can quantum-proof accounts for just 7 cents, says Ethereum's Kohaku lead","_yoast_wpseo_metadesc":"Ethereum can quantum-proof accounts for just 7 cents, says Ethereum's Kohaku lead. Kohaku offers post-quantum account protection without a hard fork, with full","rank_math_description":"Ethereum can quantum-proof accounts for just 7 cents, says Ethereum's Kohaku lead. 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Kohaku offers post-quantum account protection without a hard fork, with full\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stnews.live\/fr\/2026\/06\/kohaku-lead-states-ethereum-can-quantum-proof-accounts-only-7-cents\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kohaku Lead D\u00e9clare qu&#039;Ethereum Peut Prot\u00e9ger les Comptes Contre les Quantum pour Seulement 7 Cents | STnews\" \/>\n<meta property=\"og:description\" content=\"Ethereum can quantum-proof accounts for just 7 cents, says Ethereum&#039;s Kohaku lead. 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