{"id":14471,"date":"2025-09-20T11:11:39","date_gmt":"2025-09-20T09:11:39","guid":{"rendered":"https:\/\/www.blog.bim.finance\/?p=14471"},"modified":"2025-09-20T11:11:42","modified_gmt":"2025-09-20T09:11:42","slug":"mpc-securite-cles-privees","status":"publish","type":"post","link":"https:\/\/www.blog.bim.finance\/en\/mpc-securite-cles-privees\/","title":{"rendered":"Multi-Party Computation (MPC) : s\u00e9curiser ses cl\u00e9s priv\u00e9es"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14471\" class=\"elementor elementor-14471\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-936a5fd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"936a5fd\" 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-dd79bcf\" data-id=\"dd79bcf\" 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-826d57e elementor-widget elementor-widget-text-editor\" data-id=\"826d57e\" 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\">La s\u00e9curit\u00e9 reste le d\u00e9fi num\u00e9ro un dans le monde des cryptomonnaies. Derri\u00e8re chaque portefeuille crypto se cache une cl\u00e9 priv\u00e9e, ce code unique qui permet de signer des transactions et de prouver la propri\u00e9t\u00e9 des fonds. Mais cette cl\u00e9 est aussi le talon d\u2019Achille : si elle est perdue, vol\u00e9e ou compromise, les actifs disparaissent sans retour possible.<\/p><p class=\"p1\">C\u2019est ici qu\u2019entre en jeu une innovation discr\u00e8te mais r\u00e9volutionnaire : le <b>MPC (Multi-Party Computation)<\/b>.<\/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-099b944 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"099b944\" 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-671667d\" data-id=\"671667d\" 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-e0ce3b5 elementor-widget elementor-widget-heading\" data-id=\"e0ce3b5\" 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\">Comprendre le probl\u00e8me des cl\u00e9s priv\u00e9es<\/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-4541b71 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4541b71\" 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-56dd9fe\" data-id=\"56dd9fe\" 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-f8bcf1c elementor-widget elementor-widget-text-editor\" data-id=\"f8bcf1c\" 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\">Traditionnellement, une cl\u00e9 priv\u00e9e est une longue suite de chiffres et de lettres, connue uniquement de son propri\u00e9taire. Elle doit rester secr\u00e8te \u00e0 tout prix.<\/p><p class=\"p1\">Pourtant, cette gestion est souvent source de stress. Certains utilisateurs notent leurs cl\u00e9s sur un papier, d\u2019autres les stockent sur des appareils vuln\u00e9rables, et m\u00eame les plateformes centralis\u00e9es peuvent se faire pirater lorsqu\u2019elles concentrent les cl\u00e9s de milliers d\u2019utilisateurs. La s\u00e9curit\u00e9 repose donc sur un seul point de d\u00e9faillance.<\/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-4d560ff elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4d560ff\" 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-8450566\" data-id=\"8450566\" 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-0accad8 elementor-widget elementor-widget-heading\" data-id=\"0accad8\" 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\">Le principe du MPC<\/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-aeaa25c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aeaa25c\" 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-f92ea89\" data-id=\"f92ea89\" 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-4f74057 elementor-widget elementor-widget-image\" data-id=\"4f74057\" 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 data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/s3.ap-northeast-1.amazonaws.com\/gimg.gateimg.com\/learn\/6cd6bb71f1cf47e22fc0a8de830dd3f4d697857e.png?w=800&#038;ssl=1\" title=\"\" alt=\"Exemple MPC - Gate.com\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Exemple MPC - Gate.com<\/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-eccf7c4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"eccf7c4\" 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-ea2c810\" data-id=\"ea2c810\" 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-489d386 elementor-widget elementor-widget-text-editor\" data-id=\"489d386\" 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\">Le MPC change radicalement cette approche. Plut\u00f4t que de conserver la cl\u00e9 priv\u00e9e en un seul morceau, il la <b>divise en plusieurs fragments<\/b>, appel\u00e9s \u00ab shares \u00bb. Ces fragments sont r\u00e9partis entre diff\u00e9rents appareils, serveurs ou personnes. Aucun fragment seul ne permet d\u2019acc\u00e9der aux fonds.<\/p><p class=\"p1\">Lorsqu\u2019une transaction doit \u00eatre sign\u00e9e, les diff\u00e9rentes parties collaborent pour effectuer le calcul cryptographique n\u00e9cessaire. Le r\u00e9sultat final est une signature valide, mais la cl\u00e9 priv\u00e9e compl\u00e8te n\u2019est jamais reconstitu\u00e9e en un seul endroit. Autrement dit, m\u00eame si un pirate met la main sur un fragment, il n\u2019a rien exploitable entre les mains.<\/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-2ad559e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2ad559e\" 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-848519c\" data-id=\"848519c\" 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-fe3d122 elementor-widget elementor-widget-heading\" data-id=\"fe3d122\" 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\">Une s\u00e9curit\u00e9 distribu\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-ec7f9ef elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ec7f9ef\" 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-4a213eb\" data-id=\"4a213eb\" 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-d55eedb elementor-widget elementor-widget-text-editor\" data-id=\"d55eedb\" 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\">Cette m\u00e9thode r\u00e9duit consid\u00e9rablement les risques. Imaginons qu\u2019une entreprise utilise trois fragments pour s\u00e9curiser sa tr\u00e9sorerie en crypto. Un est stock\u00e9 dans un serveur s\u00e9curis\u00e9, un autre dans le cloud, et le troisi\u00e8me sur l\u2019ordinateur d\u2019un responsable. Pour valider une transaction, deux des trois fragments doivent collaborer. M\u00eame en cas de piratage d\u2019un serveur ou de vol d\u2019un appareil, les fonds restent prot\u00e9g\u00e9s.<\/p><p class=\"p1\">Le MPC permet \u00e9galement de limiter les erreurs humaines. Fini la d\u00e9pendance \u00e0 une seule cl\u00e9 ou \u00e0 une sauvegarde papier qui peut \u00eatre perdue. La responsabilit\u00e9 est partag\u00e9e, et le syst\u00e8me gagne en robustesse.<\/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-e89ec4f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e89ec4f\" 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-b9327d0\" data-id=\"b9327d0\" 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-a66d1a2 elementor-widget elementor-widget-heading\" data-id=\"a66d1a2\" 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\">Des applications concr\u00e8tes<\/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-74576fb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"74576fb\" 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-a0440ae\" data-id=\"a0440ae\" 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-08bcbad elementor-widget elementor-widget-text-editor\" data-id=\"08bcbad\" 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\">Aujourd\u2019hui, de nombreuses entreprises crypto utilisent d\u00e9j\u00e0 le MPC pour s\u00e9curiser leurs portefeuilles institutionnels. Des acteurs comme <b>Fireblocks<\/b> ou <b>Coinbase Custody<\/b> ont adopt\u00e9 cette technologie pour prot\u00e9ger des milliards de dollars d\u2019actifs num\u00e9riques.<\/p><p class=\"p1\">Pour les particuliers, certaines solutions de portefeuilles commencent aussi \u00e0 int\u00e9grer le MPC afin de rendre la s\u00e9curit\u00e9 plus intuitive et moins fragile.<\/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-aff278c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aff278c\" 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-ae1e1c1\" data-id=\"ae1e1c1\" 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-3156533 elementor-widget elementor-widget-heading\" data-id=\"3156533\" 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\">Vers une adoption massive ?<\/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-87b1296 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"87b1296\" 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-eb71beb\" data-id=\"eb71beb\" 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-9133782 elementor-widget elementor-widget-text-editor\" data-id=\"9133782\" 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\">Le MPC pourrait bien devenir la nouvelle norme en mati\u00e8re de gestion des cl\u00e9s priv\u00e9es. En rendant la s\u00e9curit\u00e9 \u00e0 la fois plus solide et plus flexible, il r\u00e9pond \u00e0 l\u2019un des plus grands freins \u00e0 l\u2019adoption massive des cryptomonnaies : la peur de perdre ses fonds.<\/p><p class=\"p1\">Comme souvent avec les technologies de la blockchain, le but est que l\u2019utilisateur final ne se rende m\u00eame pas compte de la complexit\u00e9 en coulisses. Si demain vous utilisez un portefeuille qui int\u00e8gre le MPC, vous aurez simplement l\u2019impression d\u2019un usage fluide, mais avec une s\u00e9curit\u00e9 renforc\u00e9e.<\/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-4d6a596 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4d6a596\" 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-ee60826\" data-id=\"ee60826\" 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-28fcf65 elementor-widget elementor-widget-text-editor\" data-id=\"28fcf65\" 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><strong>Sources<\/strong> :<\/p><ul><li><a href=\"https:\/\/www.fireblocks.com\/what-is-mpc\/\">Fireblocks &#8211; What is MPC (Multi-Party Computation)?<\/a><\/li><\/ul>\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>Le MPC (Multi-Party Computation) divise les cl\u00e9s priv\u00e9es en plusieurs fragments pour r\u00e9duire les risques de piratage et de perte. Une technologie d\u00e9j\u00e0 adopt\u00e9e par les plus grands acteurs de la crypto pour s\u00e9curiser des milliards d\u2019actifs.<\/p>","protected":false},"author":18,"featured_media":14499,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7,16],"tags":[],"ppma_author":[145],"class_list":["post-14471","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blockchain","category-lexique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Multi-Party Computation (MPC) : s\u00e9curiser ses cl\u00e9s priv\u00e9es - BIM Blog<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrons comment le MPC (Multi-Party Computation) r\u00e9volutionne la s\u00e9curit\u00e9 des cl\u00e9s priv\u00e9es en cryptomonnaie.\" \/>\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\/mpc-securite-cles-privees\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Multi-Party Computation (MPC) : s\u00e9curiser ses cl\u00e9s priv\u00e9es - 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