{"id":14631,"date":"2025-10-06T12:41:10","date_gmt":"2025-10-06T10:41:10","guid":{"rendered":"https:\/\/www.blog.bim.finance\/?p=14631"},"modified":"2025-10-06T12:41:14","modified_gmt":"2025-10-06T10:41:14","slug":"zk-proofs-ia-preuves-execution-sans-calculs","status":"publish","type":"post","link":"https:\/\/www.blog.bim.finance\/en\/zk-proofs-ia-preuves-execution-sans-calculs\/","title":{"rendered":"ZK-proofs &amp; IA : prouver l&rsquo;ex\u00e9cution sans r\u00e9v\u00e9ler les calculs"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14631\" class=\"elementor elementor-14631\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-11140fe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"11140fe\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e1e7033\" data-id=\"e1e7033\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-91fde43 elementor-widget elementor-widget-heading\" data-id=\"91fde43\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi v\u00e9rifier l\u2019IA sans tout d\u00e9voiler<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-095be1e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"095be1e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-30e20f5\" data-id=\"30e20f5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-324da95 elementor-widget elementor-widget-text-editor\" data-id=\"324da95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>(L&rsquo;article peut para\u00eetre assez complexe \u00e0 appr\u00e9hender. Nous vous invitons \u00e0 prendre votre temps pour comprendre tous les th\u00e8mes abord\u00e9s. Bonne lecture !)<\/em><\/p><p class=\"p1\">Les mod\u00e8les d\u2019IA gagnent en importance dans l\u2019entreprise et la soci\u00e9t\u00e9. Ils prennent des d\u00e9cisions sur des pr\u00eats, des assurances, ou des diagnostics. Les tiers demandent des garanties. Les clients veulent de la transparence sans perdre la confidentialit\u00e9. Les entreprises refusent souvent d\u2019exposer leurs mod\u00e8les ou leurs donn\u00e9es.<\/p><p class=\"p1\">Les <a href=\"https:\/\/www.blog.bim.finance\/en\/zero-knowledge-proofs-comprendre-en-5-min\/\">preuves z\u00e9ro-knowledge<\/a> promettent un compromis. Elles permettent d\u2019attester la bonne ex\u00e9cution d\u2019une t\u00e2che sans r\u00e9v\u00e9ler le mod\u00e8le ni ses calculs internes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8c1208e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8c1208e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8948137\" data-id=\"8948137\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-06285b5 elementor-widget elementor-widget-heading\" data-id=\"06285b5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment fonctionnent les zk-proofs appliqu\u00e9es \u00e0 l\u2019IA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2f9de81 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2f9de81\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-052200c\" data-id=\"052200c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-996dcf1 elementor-widget elementor-widget-image\" data-id=\"996dcf1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2025\/06\/zk-proofs-scaled.jpg?fit=800%2C450&amp;ssl=1\" class=\"attachment-large size-large wp-image-12958\" alt=\"Fonctionnement Zero-knowledge proofs\" srcset=\"https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2025\/06\/zk-proofs-scaled.jpg?w=2560&amp;ssl=1 2560w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2025\/06\/zk-proofs-scaled.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2025\/06\/zk-proofs-scaled.jpg?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2025\/06\/zk-proofs-scaled.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2025\/06\/zk-proofs-scaled.jpg?resize=1536%2C864&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2025\/06\/zk-proofs-scaled.jpg?resize=2048%2C1152&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2025\/06\/zk-proofs-scaled.jpg?w=1600&amp;ssl=1 1600w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2025\/06\/zk-proofs-scaled.jpg?w=2400&amp;ssl=1 2400w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fonctionnement Zero-knowledge proofs (zk-proofs)<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7f216c1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7f216c1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-daa7890\" data-id=\"daa7890\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e9276df elementor-widget elementor-widget-text-editor\" data-id=\"e9276df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Les zk-proofs transforment un calcul compliqu\u00e9 en une preuve math\u00e9matique compacte. Le fournisseur ex\u00e9cute le mod\u00e8le et produit une preuve qui prouve l\u2019exactitude du r\u00e9sultat. Le v\u00e9rificateur contr\u00f4le la preuve sans rejouer le calcul. Pour l\u2019IA, il faut repr\u00e9senter les op\u00e9rations du r\u00e9seau neuronal sous forme de contraintes arithm\u00e9tiques. Les multiplications et additions deviennent des \u00e9l\u00e9ments d\u2019un circuit. Les activations se mod\u00e9lisent par des approximations contr\u00f4l\u00e9es.<\/p><p class=\"p1\">Les zk-SNARKs r\u00e9duisent la taille des preuves. Les zk-STARKs \u00e9liminent le besoin de param\u00e8tres de confiance. Chaque technologie implique des compromis en co\u00fbt et confiance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1f02166 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1f02166\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b8f504d\" data-id=\"b8f504d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-305c7fd elementor-widget elementor-widget-heading\" data-id=\"305c7fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cas d\u2019usage concrets et valeur ajout\u00e9e<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4e04523 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4e04523\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2fd2bea\" data-id=\"2fd2bea\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1bfe7cf elementor-widget elementor-widget-text-editor\" data-id=\"1bfe7cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Un fournisseur peut prouver qu\u2019il respecte un seuil de performance contractuel sans livrer son mod\u00e8le. Un auditeur peut v\u00e9rifier l\u2019absence de biais mesurable sans acc\u00e9der aux donn\u00e9es brutes. Une marketplace de mod\u00e8les peut garantir la qualit\u00e9 des mod\u00e8les list\u00e9s sans exposer les poids.<\/p><p class=\"p1\">Des collaborations scientifiques peuvent v\u00e9rifier des r\u00e9sultats sans partager des jeux de donn\u00e9es priv\u00e9s. Ces usages facilitent la confiance entre parties. Ils permettent aussi de mon\u00e9tiser des mod\u00e8les tout en prot\u00e9geant l\u2019IP.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e911bb7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e911bb7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cf11667\" data-id=\"cf11667\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0976ecc elementor-widget elementor-widget-heading\" data-id=\"0976ecc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Limitations techniques et co\u00fbts r\u00e9els<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2ce1c50 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2ce1c50\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2be1021\" data-id=\"2be1021\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ff04634 elementor-widget elementor-widget-text-editor\" data-id=\"ff04634\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">G\u00e9n\u00e9rer une preuve pour un grand mod\u00e8le reste aujourd\u2019hui co\u00fbteux en temps et en ressources. La conversion d\u2019architectures complexes en circuits optimis\u00e9s demande du travail d\u2019ing\u00e9nierie. Les approximations num\u00e9riques affectent parfois la fid\u00e9lit\u00e9 de la preuve. Les op\u00e9rations non lin\u00e9aires posent des d\u00e9fis suppl\u00e9mentaires.<\/p><p class=\"p1\">La taille du prover peut cro\u00eetre fortement pour des mod\u00e8les profonds. Les co\u00fbts de calcul peuvent d\u00e9passer la valeur commerciale pour des t\u00e2ches peu r\u00e9mun\u00e9ratrices. Ces contraintes freinent l\u2019adoption \u00e0 grande \u00e9chelle pour l\u2019instant.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dff6362 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dff6362\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f7cd61b\" data-id=\"f7cd61b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c6dbf8b elementor-widget elementor-widget-heading\" data-id=\"c6dbf8b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Perspectives : optimisation, hybridation et standards<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2904f90 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2904f90\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5429bf7\" data-id=\"5429bf7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-06a3c0f elementor-widget elementor-widget-text-editor\" data-id=\"06a3c0f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">L\u2019avenir passera par des optimisations cibl\u00e9es et par l\u2019hybridation des approches. La r\u00e9cursion et l\u2019agr\u00e9gation de preuves aideront \u00e0 amortir les co\u00fbts. L\u2019usage conjoint de TEE et de zk-proofs peut r\u00e9duire la charge de preuve. Des toolchains d\u00e9di\u00e9s apparaissent pour automatiser la conversion des mod\u00e8les en circuits. Les clouds pourraient proposer la g\u00e9n\u00e9ration de preuves comme service manag\u00e9.<\/p><p class=\"p1\">Enfin, des standards et des cadres juridiques faciliteront la reconnaissance de ces preuves par les r\u00e9gulateurs. Quand ces \u00e9l\u00e9ments se mettront en place, prouver l\u2019ex\u00e9cution d\u2019un mod\u00e8le sans montrer ses calculs deviendra une pratique courante.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Les zk-proofs offrent un moyen de prouver qu\u2019un mod\u00e8le d\u2019IA a ex\u00e9cut\u00e9 une t\u00e2che correctement, sans d\u00e9voiler ses calculs ni ses donn\u00e9es. D\u00e9couvrez comment cela fonctionne et pourquoi c&rsquo;est utile.<\/p>","protected":false},"author":18,"featured_media":14658,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7,26],"tags":[],"ppma_author":[145],"class_list":["post-14631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blockchain","category-premiers-pas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ZK-proofs &amp; IA : prouver l&#039;ex\u00e9cution sans r\u00e9v\u00e9ler les calculs - BIM Blog<\/title>\n<meta name=\"description\" content=\"Les preuves z\u00e9ro-knowledge (zk-proofs) permettent de v\u00e9rifier qu\u2019un mod\u00e8le d\u2019IA a bien effectu\u00e9 une t\u00e2che sans exposer ses poids ni son raisonnement.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.blog.bim.finance\/en\/zk-proofs-ia-preuves-execution-sans-calculs\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ZK-proofs &amp; 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