{"id":165590,"date":"2025-08-30T17:00:00","date_gmt":"2025-08-30T17:00:00","guid":{"rendered":"https:\/\/cryptonews.com\/fr\/?p=165590"},"modified":"2025-08-30T17:00:00","modified_gmt":"2025-08-30T17:00:00","slug":"el-salvador-bitcoin-menace-quantique","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/el-salvador-bitcoin-menace-quantique\/","title":{"rendered":"Bitcoin El Salvador : une nouvelle tactique pour contrer la menace quantique"},"content":{"rendered":"<p>El Salvador fait de nouveau jaser la communaut\u00e9 crypto. Le pays a <strong>transf\u00e9r\u00e9 les 6 274 BTC<\/strong> de sa r\u00e9serve, soit environ 678 millions de dollars, vers 14 nouvelles adresses. Officiellement, il s\u2019agit d\u2019une mesure pr\u00e9ventive face au risque futur de l\u2019informatique quantique. Jusqu\u2019ici, les fonds \u00e9taient stock\u00e9s dans un seul wallet. D\u00e9sormais, aucune ne contient plus de 500 BTC.<\/p><h2 class=\"wp-block-heading\">L\u2019exp\u00e9rience Best Wallet dans la crypto s\u00e9curit\u00e9 de demain<\/h2><span class=\"replacer\"><\/span><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30163524\/ai-generated-9123440_1280-1-1024x512.jpg\" alt=\"\" class=\"wp-image-165593\" srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30163524\/ai-generated-9123440_1280-1-1024x512.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30163524\/ai-generated-9123440_1280-1-300x150.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30163524\/ai-generated-9123440_1280-1-768x384.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30163524\/ai-generated-9123440_1280-1-450x225.jpg 450w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30163524\/ai-generated-9123440_1280-1.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><\/figure><\/div><p>Rien que cette ann\u00e9e, <strong>plus de 2,5 milliards de dollars<\/strong> en crypto ont d\u00e9j\u00e0 \u00e9t\u00e9 <strong>vol\u00e9es<\/strong>. C\u2019est bien en raison de ce d\u00e9fi de s\u00e9curit\u00e9 permanent que la solution <a href=\"https:\/\/fr.cryptonews.com\/ext\/bestwallet\/\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">Best Wallet<\/a> a \u00e9t\u00e9 mise au point.<\/p><p>Aujourd\u2019hui, elle propose une solution multichaine int\u00e9grant <strong>plus de 60 blockchains<\/strong> dans une interface intuitive. Gr\u00e2ce \u00e0 cela, les particuliers aussi bien que les professionnels, disposent d\u2019un outil ultra performant pour g\u00e9rer, \u00e9changer et stocker leurs actifs crypto.<\/p><p>Tout comme le gouvernement salvadorien, <strong>Best Wallet<\/strong> prend \u00e9galement la mesure du changement de paradigme d\u2019un passage au quantique. Dans le viseur, de nouvelles impl\u00e9mentations pour changer la donne.<\/p><p><\/p><div style=\"background: #920047;margin: auto;width: 50%;text-align: center;padding: 8px;border-radius: 5px;background-image: linear-gradient(107deg,#930046,#59008a);color: white;padding-left: 1em;padding-right: 1em;font-size: 16px\"><a style=\"text-decoration:none;color:white\" href=\"https:\/\/fr.cryptonews.com\/ext\/bestwallet\/\" target=\"_blank\" rel=\"nofollow noindex\">D\u00e9couvrez Best Wallet<\/a><\/div><p><\/p><p class=\"disclaimer-rw\" style=\"text-align: center\"><em>Les crypto-actifs repr\u00e9sentent un investissement risqu\u00e9.<\/em><\/p><h2 class=\"wp-block-heading\">Pourquoi la menace quantique inqui\u00e8te<\/h2><span class=\"replacer\"><\/span><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" class=\"wp-image-165596 lazyload\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30164815\/1756572494-chatgpt-image-30-aout-2025-18_47_57-1024x683.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30164815\/1756572494-chatgpt-image-30-aout-2025-18_47_57-1024x683.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30164815\/1756572494-chatgpt-image-30-aout-2025-18_47_57-300x200.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30164815\/1756572494-chatgpt-image-30-aout-2025-18_47_57-768x512.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30164815\/1756572494-chatgpt-image-30-aout-2025-18_47_57-450x300.jpg 450w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/08\/30164815\/1756572494-chatgpt-image-30-aout-2025-18_47_57.jpg 1536w\"><\/figure><\/div><p>D\u2019ans l\u2019id\u00e9e, Les ordinateurs quantiques pourraient un jour, r\u00e9ussir \u00e0 <strong>casser la cryptographie des cl\u00e9s publiques<\/strong>. Le cas \u00e9ch\u00e9ant, il est crucial de pouvoir minimiser les risques de perte.<\/p><p>Le principe est technique, mais crucial. Lorsqu\u2019une transaction Bitcoin est effectu\u00e9e, la cl\u00e9 publique devient visible sur la blockchain. Or, cette cl\u00e9 repose sur une <strong>cryptographie elliptique<\/strong> (ECC) dont le principe de fonctionnement est a priori vuln\u00e9rable face aux <a href=\"https:\/\/cryptonews.com\/fr\/news\/ordinateur-quantique-vs-cryptomonnaie-10-ans-pour-detruire-la-blockchain\/\">capacit\u00e9s techniques de l\u2019informatique quantique<\/a>.<\/p><p>Aujourd\u2019hui, <strong>aucune machine<\/strong> n\u2019est capable de <strong>casser une cl\u00e9 Bitcoin<\/strong>. M\u00eame les supercalculateurs les plus avanc\u00e9s n\u2019ont pas r\u00e9ussi \u00e0 briser une cl\u00e9 ECC de 3 bits avec l\u2019algorithme de Shor.<\/p><p>Or chaque cl\u00e9 Bitcoin en contient 256. Pourtant, certains chercheurs, comme Project Eleven, rappellent que plus de <strong>6 millions de BTC<\/strong> (650 milliards $) pourraient \u00eatre menac\u00e9s si les perc\u00e9es de <strong>l\u2019informatique quantique se concr\u00e9tisent<\/strong>.<\/p><h2 class=\"wp-block-heading\">Une man\u0153uvre surtout symbolique<\/h2><span class=\"replacer\"><\/span><p>En r\u00e9alit\u00e9, le geste d\u2019El Salvador est surtout un signal politique et strat\u00e9gique. Pour les experts, il est bien \u00e9vident que <strong>la menace n\u2019est pas imminente<\/strong>. Michael Saylor, figure de proue de la strat\u00e9gie Bitcoin institutionnelle, parle m\u00eame de \u201chype\u201d.<\/p><p>Selon lui, si une menace r\u00e9elle surgissait, <strong>le protocole \u00e9voluerait<\/strong>. De la m\u00eame mani\u00e8re que ce que fait d\u00e9j\u00e0 Microsoft, Google ou l\u2019administration am\u00e9ricaine. Cela prendrait simplement la forme d\u2019une mise \u00e0 jour logicielle et mat\u00e9rielle.<\/p><figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">NEW\u203c\ufe0f- ARE YOU WORRIED QUANTUM COMPUTING WILL BREAK BITCOIN?<br><br>\ud83d\udca5 MICHAEL SAYLOR: <a href=\"https:\/\/t.co\/CVeFWXML4H\">pic.twitter.com\/CVeFWXML4H<\/a><\/p>&mdash; Neil Jacobs (@NeilJacobs) <a href=\"https:\/\/twitter.com\/NeilJacobs\/status\/1930979449903693921?ref_src=twsrc%5Etfw\">June 6, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure><p>El Salvador ne s\u00e9curise donc pas seulement ses fonds, il cherche aussi \u00e0 se placer comme <strong>pays pionnier en cybers\u00e9curit\u00e9 crypto<\/strong>. Dans un contexte o\u00f9 son adoption du Bitcoin reste critiqu\u00e9e, cette initiative lui offre un r\u00e9cit valorisant : anticiper l\u2019avenir plut\u00f4t que subir.<\/p><h2 class=\"wp-block-heading\">Contexte tendu avec le FMI<\/h2><span class=\"replacer\"><\/span><p>Ce repositionnement arrive dans un climat complexe. En d\u00e9cembre 2024, le pays a conclu un accord de 1,4 milliard $ avec le FMI, conditionn\u00e9 \u00e0 une <strong>r\u00e9duction des initiatives li\u00e9es au Bitcoin<\/strong>. Depuis lors, l\u2019institution affirme qu\u2019aucun nouvel achat n\u2019a eu lieu depuis f\u00e9vrier. Pourtant, le Bitcoin Office continue d\u2019<a href=\"https:\/\/cryptonews.com\/fr\/news\/le-salvador-defit-le-fmi-et-augmente-ses-avoirs-en-bitcoin\/\">annoncer r\u00e9guli\u00e8rement des acquisitions<\/a>.<\/p><p>Cette dualit\u00e9 illustre la strat\u00e9gie salvadorienne : \u00e9quilibrer les pressions ext\u00e9rieures avec une <strong>narration interne favorable au Bitcoin<\/strong>. Le transfert vers de nouvelles adresses s\u2019inscrit dans cette logique de communication, autant que dans la cybers\u00e9curit\u00e9.<\/p><h2 class=\"wp-block-heading\">Pr\u00e9caution ou strat\u00e9gie de communication : Un pari sur l\u2019avenir<\/h2><span class=\"replacer\"><\/span><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"salvador\" class=\"wp-image-157248 lazyload\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/06\/16214821\/1750110501-salvadorbtc-1024x683.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/06\/16214821\/1750110501-salvadorbtc-1024x683.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/06\/16214821\/1750110501-salvadorbtc-300x200.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/06\/16214821\/1750110501-salvadorbtc-768x512.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/06\/16214821\/1750110501-salvadorbtc-450x300.jpg 450w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/06\/16214821\/1750110501-salvadorbtc.jpg 1200w\"><\/figure><p>\u00c0 court terme, la man\u0153uvre n\u2019apporte pas une s\u00e9curit\u00e9 radicalement nouvelle. <strong>L\u2019informatique quantique <\/strong>reste <strong>trop immature<\/strong> pour menacer r\u00e9ellement Bitcoin. Mais le choix d\u2019El Salvador d\u2019anticiper ce sc\u00e9nario lui permet de renforcer sa posture d\u2019\u00c9tat crypto-exp\u00e9rimental.<\/p><p>D\u2019un point de vue symbolique, le pays souhaite se positionner en pionnier des bonnes pratiques dans la <strong>protection d\u2019actif num\u00e9riques<\/strong>. Pour ses partisans, c\u2019est une preuve de responsabilit\u00e9. Pour ses d\u00e9tracteurs, un simple coup de communication destin\u00e9 \u00e0 faire oublier les critiques du FMI.<\/p><p>En transf\u00e9rant ses 6 274 BTC dans 14 adresses, El Salvador anticipe un risque encore hypoth\u00e9tique. Mais dans l\u2019univers crypto, o\u00f9 la confiance repose sur la perception autant que sur la technique, ce geste prend une <strong>dimension politique<\/strong>.<\/p><p>La menace quantique n\u2019est <strong>pas pour demain<\/strong>. Cela dit, le pari Bitcoin du Salvador va bien au-del\u00e0 de l\u2019image de modernit\u00e9 et de s\u00e9curit\u00e9 que le pays souhaite projeter. C\u2019est un v\u00e9ritable d\u00e9fi de p\u00e9rennit\u00e9.<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Source : <a href=\"https:\/\/www.reuters.com\/world\/americas\/el-salvador-transfer-bitcoin-reserves-multiple-addresses-2025-08-29\/\">Reuters<\/a><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Pour aller plus loin sur le sujet : <\/p><ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/le-salvador-menti-reserves-bitcoin\/\">Le Salvador aurait menti sur ses r\u00e9serves de Bitcoin<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/solana-cryptomonnaies-quantique\/\">Solana fait des avanc\u00e9es face \u00e0 la menace quantique<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/le-salvador-prepare-ses-premieres-banques-dinvestissement-bitcoin\/\">Le Salvador pr\u00eat \u00e0 lancer les banques d\u2019investissement en Bitcoin<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>El Salvador fait de nouveau jaser la communaut\u00e9 crypto. Le pays a transf\u00e9r\u00e9 les 6 274 BTC de sa r\u00e9serve, soit environ 678 millions de dollars, vers 14 nouvelles adresses. Officiellement, il s\u2019agit d\u2019une mesure pr\u00e9ventive face au risque futur de l\u2019informatique quantique. Jusqu\u2019ici, les fonds \u00e9taient stock\u00e9s dans un seul wallet. D\u00e9sormais, aucune ne [&hellip;]<\/p>\n","protected":false},"author":663,"featured_media":165595,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2106],"tags":[],"editors":[2554],"sponsored_companies":[],"class_list":["post-165590","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-price-predictions","editors-ronan-gaillard"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>El Salvador disperse 6 274 BTC pour contrer la menace quantique<\/title>\n<meta name=\"description\" content=\"El Salvador a transf\u00e9r\u00e9 ses 6 274 BTC dans 14 nouvelles adresses. 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