{"id":9575,"date":"2026-07-21T12:06:21","date_gmt":"2026-07-21T12:06:21","guid":{"rendered":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/07\/21\/le-debat-sur-la-mise-a-niveau-quantique-de-bitcoin-pourrait-geler-des-millions-de-btc\/"},"modified":"2026-07-21T12:06:21","modified_gmt":"2026-07-21T12:06:21","slug":"le-debat-sur-la-mise-a-niveau-quantique-de-bitcoin-pourrait-geler-des-millions-de-btc","status":"publish","type":"post","link":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/07\/21\/le-debat-sur-la-mise-a-niveau-quantique-de-bitcoin-pourrait-geler-des-millions-de-btc\/","title":{"rendered":"Le d\u00e9bat sur la mise \u00e0 niveau quantique de Bitcoin pourrait geler des millions de BTC"},"content":{"rendered":"<p><em><strong>Le BIP-361 de Bitcoin propose une mise \u00e0 niveau quantique progressive qui pourrait geler le BTC vuln\u00e9rable si les d\u00e9tenteurs ne parviennent pas \u00e0 migrer \u00e0 temps.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400\">Le d\u00e9bat quantique sur Bitcoin est pass\u00e9 de la th\u00e9orie au projet de code. Le BIP-361 pr\u00e9sente un plan progressif pour \u00e9loigner Bitcoin des anciennes signatures ECDSA et Schnorr une fois que des r\u00e9sultats post-quantiques existent.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">La proposition s&rsquo;arr\u00eaterait d&rsquo;abord \u00e0 neuf<\/span><a href=\"https:\/\/www.livebitcoinnews.com\/strategy-sells-32-bitcoin-as-btc-slips-below-71-5k\/\"><span style=\"font-weight: 400\">BTC<\/span><\/a><span style=\"font-weight: 400\">d\u2019atterrir dans des types d\u2019adresses vuln\u00e9rables, puis resserrer les r\u00e8gles de d\u00e9penses plus tard dans le cadre d\u2019un jour drapeau de cinq ans.\u00a0<\/span><\/p>\n<h2><b>Plan de migration quantique Bitcoin BIP-361<\/b><\/h2>\n<p><span style=\"font-weight: 400\">BIP-361 appara\u00eet sur le r\u00e9f\u00e9rentiel Bitcoin BIPs en tant que projet de soft fork de consensus intitul\u00e9 \u00ab Post Quantum Migration and Legacy Signature Sunset \u00bb.\u00a0<\/span><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">\ud83c\udfc6 BITCOIN SE PR\u00c9PARE \u00c0 L&rsquo;\u00c8RE QUANTIQUE<\/p>\n<p>Un nouveau projet de proposition, BIP-361, vise \u00e0 prot\u00e9ger Bitcoin contre les futures menaces informatiques quantiques.<\/p>\n<p>Voici ce qu&rsquo;il propose :<\/p>\n<p>\ud83d\udc49 Arr\u00eatez les nouveaux transferts vers des adresses quantiques vuln\u00e9rables<br \/>\ud83d\udc49 Supprimer progressivement les anciennes signatures ECDSA et Schnorr\u2026<a href=\"https:\/\/t.co\/a3zTmT42ai\">pic.twitter.com\/a3zTmT42ai<\/a><\/p>\n<p>\u2013 Bitfinanc\u00e9 (@bitfunded)<a href=\"https:\/\/x.com\/bitfunded\/status\/2079275144837734526?ref_src=twsrc%5Etfw\">20 juillet 2026<\/a><\/p>\n<\/blockquote>\n<p><span style=\"font-weight: 400\">Le projet nomme Jameson Lopp et cinq coauteurs, et il d\u00e9pend toujours d&rsquo;un futur BIP \u00e0 signature post-quantique avant de pouvoir avancer.\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">La phase A commencerait environ 160 000 blocs, soit environ trois ans apr\u00e8s l&rsquo;activation.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u00c0 ce stade, les utilisateurs pouvaient toujours d\u00e9penser \u00e0 partir des r\u00e9sultats existants, mais ils ne pouvaient plus envoyer de nouveaux BTC \u00e0 des types d&rsquo;adresses vuln\u00e9rables quantiquement.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">La phase B suivrait deux ans plus tard. Le projet indique que les n\u0153uds resserreraient ensuite les r\u00e8gles de v\u00e9rification pour les d\u00e9penses ECDSA et Schnorr via un chemin de sauvetage \u00e0 s\u00e9curit\u00e9 quantique con\u00e7u pour bloquer le vol.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">La proposition pr\u00e9sente le changement comme un moyen de r\u00e9duire la surface d\u2019attaque avant qu\u2019une crise ne survienne. Il traite \u00e9galement la migration comme une longue mise \u00e0 niveau du r\u00e9seau et non comme un changement soudain.\u00a0<\/span><\/p>\n<p><b><i>Lire aussi :<\/i><\/b><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"fhCheXzDZ0\">\n<p><a href=\"https:\/\/www.livebitcoinnews.com\/trump-sets-2031-deadline-as-quantum-threat-looms-over-crypto\/\">Trump fixe la date limite \u00e0 2031 alors que la menace quantique menace la cryptographie<\/a><\/p>\n<\/blockquote>\n<h2><b>Pourquoi les cl\u00e9s publiques expos\u00e9es sont importantes pour le prix du Bitcoin<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Le projet indique que plus de 34 % des Bitcoins avaient r\u00e9v\u00e9l\u00e9 une cl\u00e9 publique sur la cha\u00eene au 1er mars 2026. Il affirme que ces pi\u00e8ces pourraient faire l&rsquo;objet d&rsquo;un vol quantique si les machines atteignent le niveau requis.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Les auteurs pr\u00e9viennent \u00e9galement qu\u2019un attaquant pourrait agir discr\u00e8tement. Dans ce sc\u00e9nario, le BTC vol\u00e9 pourrait se d\u00e9placer beaucoup plus tard, ce qui rendrait la menace plus difficile \u00e0 rep\u00e9rer en temps r\u00e9el par le march\u00e9.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Le BIP-361 indique que la fen\u00eatre de migration est importante car les portefeuilles, les bourses, les d\u00e9positaires et les mineurs \u00e9voluent g\u00e9n\u00e9ralement lentement.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Le projet indique qu\u2019un d\u00e9lai clair donne \u00e0 l\u2019\u00e9cosyst\u00e8me le temps de s\u2019adapter avant que la pression ne s\u2019exerce sur le prix et la confiance du Bitcoin.\u00a0<\/span><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"zxx\" dir=\"ltr\"><a href=\"https:\/\/t.co\/DXtE8dHCtM\">https:\/\/t.co\/DXtE8dHCtM<\/a><\/p>\n<p>\u2013 Conseils judicieux (@wiseadvicesumit)<a href=\"https:\/\/x.com\/wiseadvicesumit\/status\/2079121641691631822?ref_src=twsrc%5Etfw\">20 juillet 2026<\/a><\/p>\n<\/blockquote>\n<p><span style=\"font-weight: 400\">Ce timing est la raison pour laquelle le sujet s&rsquo;est rapidement r\u00e9pandu dans les flux cryptographiques sur X. Wise Advice et d&rsquo;autres comptes ont pouss\u00e9 le m\u00eame point central, \u00e0 savoir que Bitcoin devra peut-\u00eatre se pr\u00e9parer avant que le risque quantique ne passe de la th\u00e9orie \u00e0 la pratique.<\/span><\/p>\n<h2><b>Ce que les investisseurs Bitcoin devraient surveiller ensuite<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Pour les investisseurs, le premier point est simple.<a href=\"https:\/\/www.bip361.org\/\">BIP-361<\/a>est encore un brouillon et il n\u2019est ni actif ni planifi\u00e9 sur le r\u00e9seau.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Le deuxi\u00e8me point est tout aussi clair. La proposition d\u00e9pend d\u2019une future norme de signature post-quantique, de sorte que le d\u00e9bat en direct reste pour l\u2019instant dans le cadre du d\u00e9veloppement de Bitcoin.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">La question du march\u00e9 concerne la confiance, le calendrier de migration et la pr\u00e9paration du portefeuille.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Si Bitcoin finit par adopter une voie comme celle-ci, le prochain combat se concentrera sur qui sera mis \u00e0 niveau en premier et sur la s\u00e9curit\u00e9 avec laquelle les pi\u00e8ces plus anciennes peuvent se d\u00e9placer.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Pour l\u2019instant, le projet a d\u00e9j\u00e0 fait un travail. Cela a oblig\u00e9 les investisseurs, les d\u00e9veloppeurs et les d\u00e9positaires de Bitcoin \u00e0 r\u00e9fl\u00e9chir au risque quantique avant que le r\u00e9seau ne doive r\u00e9agir sous la pression.<\/span><\/p>\n<p><!-- source_url: https:\/\/www.livebitcoinnews.com\/bitcoins-quantum-upgrade-debate-could-freeze-millions-of-btc\/ --><\/p>\n<p><em>Source : <a href=\"https:\/\/www.livebitcoinnews.com\/bitcoins-quantum-upgrade-debate-could-freeze-millions-of-btc\/\" rel=\"nofollow noopener\" target=\"_blank\">Live Bitcoin News<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le BIP-361 de Bitcoin propose une mise \u00e0 niveau quantique progressive qui pourrait geler le BTC vuln\u00e9rable si les d\u00e9tenteurs ne parviennent pas \u00e0 migrer \u00e0 temps. Le d\u00e9bat quantique sur Bitcoin est pass\u00e9 de la th\u00e9orie au projet de code. Le BIP-361 pr\u00e9sente un plan progressif pour \u00e9loigner Bitcoin des anciennes signatures ECDSA et [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":9574,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-9575","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bitcoin-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le d\u00e9bat sur la mise \u00e0 niveau quantique de Bitcoin pourrait geler des millions de BTC - 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\/07\/21\/le-debat-sur-la-mise-a-niveau-quantique-de-bitcoin-pourrait-geler-des-millions-de-btc\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le d\u00e9bat sur la mise \u00e0 niveau quantique de Bitcoin pourrait geler des millions de BTC - France Live Bitcoin News\" \/>\n<meta property=\"og:description\" content=\"Le BIP-361 de Bitcoin propose une mise \u00e0 niveau quantique progressive qui pourrait geler le BTC vuln\u00e9rable si les d\u00e9tenteurs ne parviennent pas \u00e0 migrer \u00e0 temps. Le d\u00e9bat quantique sur Bitcoin est pass\u00e9 de la th\u00e9orie au projet de code. 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Le d\u00e9bat quantique sur Bitcoin est pass\u00e9 de la th\u00e9orie au projet de code. 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