{"id":24182,"date":"2025-10-26T16:00:01","date_gmt":"2025-10-26T16:00:01","guid":{"rendered":"https:\/\/99bitcoins.com\/fr\/?p=24182"},"modified":"2025-10-24T13:22:00","modified_gmt":"2025-10-24T13:22:00","slug":"bitcoin-pirate-2030","status":"publish","type":"post","link":"https:\/\/99bitcoins.com\/fr\/actu\/bitcoin-pirate-2030\/","title":{"rendered":"2030 : l\u2019ann\u00e9e o\u00f9 le Bitcoin pourrait \u00eatre pirat\u00e9 en quelques secondes"},"content":{"rendered":"<p>Imaginez un lundi matin o\u00f9 la rumeur enfle : un laboratoire annonce avoir extrait une <strong>cl\u00e9 priv\u00e9e Bitcoin<\/strong> \u00e0 partir d&rsquo;une cl\u00e9 publique. Panique. Les carnets se vident, les m\u00e9mos de risk s&#8217;empilent, les nodes surveillent fr\u00e9n\u00e9tiquement la mempool.<\/p>\n<p>Ce sc\u00e9nario n&rsquo;est pas une proph\u00e9tie, c&rsquo;est un <strong>exercice de lucidit\u00e9<\/strong>. Car m\u00eame si un tel ordinateur quantique n&rsquo;existe pas encore, les fabricants de wallets se comportent d\u00e9j\u00e0 comme si cette ligne d&rsquo;horizon approchait. Ledger et Trezor ont tous deux lanc\u00e9 en 2025 une <strong>nouvelle g\u00e9n\u00e9ration d&rsquo;appareils<\/strong> taill\u00e9s pour migrer, au besoin, vers des sch\u00e9mas de signature post-quantiques.<\/p>\n<h2>Pourquoi le quantique menace la crypto actuelle<\/h2>\n<p>Le c\u0153ur du risque est simple \u00e0 dire et difficile \u00e0 encaisser. En effet, les <strong>signatures ECDSA<\/strong> qui prot\u00e8gent les sorties de vos UTXO sont th\u00e9oriquement vuln\u00e9rables \u00e0 l&rsquo;algorithme de Shor. Un acteur disposant d&rsquo;une machine quantique universelle assez large pourrait d\u00e9duire la cl\u00e9 priv\u00e9e \u00e0 partir de la cl\u00e9 publique et signer \u00e0 votre place.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">\ud83d\udea8Why did we just travel across 4 different countries to be in Prague for the release of a brand new hardware wallet, The Trezor Safe 7?<\/p>\n<p>\u26a1\ufe0fWell, it&#39;s the world\u2019s first quantum-ready hardware wallet, fully open-source, with the first-ever auditable Secure Element.<\/p>\n<p>\ud83d\udd10The TS7 is\u2026 <a href=\"https:\/\/t.co\/f1WK7Ch1dR\" rel=\"nofollow\" target=\"_blank\">pic.twitter.com\/f1WK7Ch1dR<\/a><\/p>\n<p>&mdash; Luke Mikic\ud83c\udde6\ud83c\uddfa The 9-5 Escape Artist\ud83c\udde6\ud83c\uddfa (@LukeMikic21) <a href=\"https:\/\/twitter.com\/LukeMikic21\/status\/1980720707295408561?ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">October 21, 2025<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>C&rsquo;est la porte d&rsquo;entr\u00e9e du vol, de la r\u00e9\u00e9criture opportuniste et, surtout, d&rsquo;une <strong>perte de confiance instantan\u00e9e<\/strong>. C\u00f4t\u00e9 hash, SHA-256 ne tombe pas \u00e0 la premi\u00e8re bourrasque quantique, mais Grover r\u00e9duit par deux la s\u00e9curit\u00e9 effective en pr\u00e9image. En clair, le talon d&rsquo;Achille imm\u00e9diat, ce sont les signatures, pas la preuve de travail.<\/p>\n<p>Face \u00e0 cela, le monde normalise d\u00e9j\u00e0 des briques de rechange. Ainsi, le NIST a finalis\u00e9 des standards pour CRYSTALS-Kyber (chiffrement) et CRYSTALS-Dilithium ou SPHINCS+ (signatures). On ne parle plus de recherche acad\u00e9mique lointaine, mais de <strong>catalogues techniques<\/strong> pr\u00eats \u00e0 l&#8217;embarquement dans des produits. D&rsquo;ailleurs, comme l&rsquo;explique notre analyse sur les <a href=\"https:\/\/99bitcoins.com\/fr\/actu\/ordinateurs-quantiques-google-menacer-bitcoin-cryptos\/\">progr\u00e8s de Google en informatique quantique<\/a>, la menace se rapproche plus vite que pr\u00e9vu.<\/p>\n<h2>Les wallets en premi\u00e8re ligne : Trezor et Ledger<\/h2>\n<p>Le danger ne vient pas de la blockchain, mais de vos cl\u00e9s. Si la signature tombe, un <a href=\"https:\/\/99bitcoins.com\/fr\/crypto-monnaie\/wallets\/hardware-wallet\/\">cold wallet<\/a> classique ne suffit plus. C&rsquo;est exactement le probl\u00e8me que <strong>Trezor et Ledger<\/strong> ont d\u00e9cid\u00e9 d&rsquo;attaquer par l&rsquo;angle de la crypto-agilit\u00e9.<\/p>\n<p>C\u00f4t\u00e9 Trezor, le Safe 7 affiche la couleur. Architecture \u00e0 double puce, avec le TROPIC01 auditable, \u00e9cran tactile, Bluetooth, chargement sans fil. Surtout, l&rsquo;entreprise revendique une conception <strong>\u00ab\u00a0quantum-ready\u00a0\u00bb<\/strong> : l&rsquo;appareil est construit pour recevoir des mises \u00e0 jour vers des sch\u00e9mas post-quantiques lorsqu&rsquo;ils seront d\u00e9ploy\u00e9s c\u00f4t\u00e9 r\u00e9seau et logiciels.<\/p>\n<p>Message cl\u00e9 : pr\u00eat \u00e0 migrer, pas invincible. <a class=\"general-link\" href=\"https:\/\/www.ledger.com\/fr\" target=\"_blank\" rel=\"noopener nofollow\">Ledger<\/a> a choisi une grammaire diff\u00e9rente. Le Nano Gen5 n&rsquo;est plus pr\u00e9sent\u00e9 comme un \u00ab\u00a0hardware wallet\u00a0\u00bb mais comme un <strong>signer<\/strong>.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Introducing Ledger Nano\u2122 Gen5.<\/p>\n<p>The newest addition to our family of touchscreen signers, alongside Ledger Flex\u2122 and Ledger Stax\u2122, <br \/>Ledger Nano\u2122 Gen5 is the most playful, personal, and accessible signer we\u2019ve ever built.<\/p>\n<p>Your first step into digital ownership, made\u2026 <a href=\"https:\/\/t.co\/ZWH571TnRK\" rel=\"nofollow\" target=\"_blank\">pic.twitter.com\/ZWH571TnRK<\/a><\/p>\n<p>&mdash; Ledger (@Ledger) <a href=\"https:\/\/twitter.com\/Ledger\/status\/1981337404960362526?ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">October 23, 2025<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>\u00c9cran \u00e9largi pour la v\u00e9rification claire des transactions, Bluetooth, nouvelle Recovery Key NFC introduite cet \u00e9t\u00e9, et une pile logicielle pens\u00e9e pour int\u00e9grer de nouveaux sch\u00e9mas via firmware.<\/p>\n<p>Dans l&rsquo;\u00e9cosyst\u00e8me, la soci\u00e9t\u00e9 pousse aussi un rebranding logiciel et un Ledger Multisig pour mieux encadrer la <strong>signature en environnement multi-signataires<\/strong>. L&rsquo;id\u00e9e est de pr\u00e9parer l&rsquo;avenir sans t\u00e9taniser l&rsquo;utilisateur avec le mot \u00ab\u00a0quantique\u00a0\u00bb sur chaque slide.<\/p>\n<p>Dit autrement, Trezor dit qu&rsquo;il est pr\u00eat \u00e0 changer d&rsquo;algorithme. Ledger dit qu&rsquo;il est construit pour changer d&rsquo;algorithme. Dans les deux cas, la promesse est identique au fond : ne pas forcer des millions d&rsquo;utilisateurs \u00e0 migrer leurs fonds sous la contrainte, le jour o\u00f9 l&rsquo;industrie basculera vers des <strong>signatures post-quantiques<\/strong>.<\/p>\n<h2>Une course invisible mais existentielle<\/h2>\n<p>D&rsquo;un c\u00f4t\u00e9, vous avez IBM, Google ou Alibaba qui empilent les qubits et am\u00e9liorent la <strong>correction d&rsquo;erreurs<\/strong>. De l&rsquo;autre, des fabricants de wallets qui rendent leurs puces et leur firmware \u00e9volutifs, pour absorber Dilithium, Falcon ou SPHINCS+ quand l&rsquo;\u00e9cosyst\u00e8me sera pr\u00eat. Entre les deux se glisse une r\u00e9alit\u00e9 op\u00e9rationnelle que les RSSI connaissent bien : les <strong>migrations cryptographiques<\/strong> prennent des ann\u00e9es.<\/p>\n<p>Inventorier les usages, remplacer les biblioth\u00e8ques, certifier, tester, d\u00e9ployer. Attendre le \u00ab\u00a0grand soir\u00a0\u00bb serait une faute professionnelle. La bonne nouvelle, c&rsquo;est que l&rsquo;outillage standard \u00e9merge.<\/p>\n<p>En effet, les standards NIST donnent une cible, les \u00e9quipes produits construisent des passerelles, et l&rsquo;\u00e9cosyst\u00e8me commence \u00e0 parler le m\u00eame langage. La mauvaise, c&rsquo;est que personne ne sait \u00e0 quel moment le risque passera de th\u00e9orique \u00e0 concret. Les signaux faibles existent d\u00e9j\u00e0, et les experts s\u00e9curit\u00e9 rappellent que le <strong>bon moment pour agir<\/strong> est avant l&rsquo;urgence.<\/p>\n<p>Au fond, Ledger et Trezor ne vendent plus des bo\u00eetiers. Ils vendent une <strong>option sur l&rsquo;avenir<\/strong>. La promesse que votre cl\u00e9 restera votre cl\u00e9, m\u00eame si l&rsquo;alphabet des signatures change. Si 2030 devait \u00eatre l&rsquo;ann\u00e9e de tous les basculements, ceux qui auront choisi des signers crypto-agiles dormiront mieux que les autres. Comme le d\u00e9taille notre dossier sur la <a href=\"https:\/\/99bitcoins.com\/fr\/actu\/menace-quantique-bitcoin-et-ethereum-soutenus-par-la-sec\/\">mobilisation de la SEC face \u00e0 la menace quantique<\/a>, les autorit\u00e9s prennent d\u00e9sormais cette question tr\u00e8s au s\u00e9rieux.<\/p>\n<hr>\n<p><strong>Sur le m\u00eame sujet :<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/99bitcoins.com\/fr\/actu\/ordinateurs-quantiques-google-menacer-bitcoin-cryptos\/\">Ordinateurs quantiques : les progr\u00e8s de Google pourraient menacer Bitcoin et les cryptos<\/a><\/li>\n<li>R\u00e9serve Bitcoin : El Salvador se bunkerise face au quantique<\/li>\n<li><a href=\"https:\/\/99bitcoins.com\/fr\/actu\/menace-quantique-bitcoin-et-ethereum-soutenus-par-la-sec\/\">Quantum et crypto : la SEC mobilis\u00e9e pour un Bitcoin post-quantique<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Imaginez un lundi matin o\u00f9 la rumeur enfle : un laboratoire annonce avoir extrait une cl\u00e9 priv\u00e9e Bitcoin \u00e0 partir d&rsquo;une cl\u00e9 publique. Panique. Les carnets se vident, les m\u00e9mos de risk s&#8217;empilent, les nodes surveillent fr\u00e9n\u00e9tiquement la mempool. Ce sc\u00e9nario n&rsquo;est pas une proph\u00e9tie, c&rsquo;est un exercice de lucidit\u00e9. Car m\u00eame si un tel..<\/p>\n","protected":false},"author":135978,"featured_media":24185,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[8,6],"tags":[13],"coin":[15],"class_list":["post-24182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bitcoin","category-actu","tag-bitcoin"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2030 : l\u2019ann\u00e9e o\u00f9 le Bitcoin pourrait \u00eatre pirat\u00e9 en quelques secondes<\/title>\n<meta name=\"description\" content=\"Alerte : les ordinateurs quantiques pourraient bel et bien pirater le Bitcoin en quelques secondes d\u2019ici 2030.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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