{"id":33399,"date":"2026-05-13T11:08:56","date_gmt":"2026-05-13T11:08:56","guid":{"rendered":"https:\/\/99bitcoins.com\/fr\/?p=33399"},"modified":"2026-05-13T09:12:17","modified_gmt":"2026-05-13T09:12:17","slug":"solana-active-la-mise-a-jour-alpenglow-ce-que-cela-signifie-pour-le-sol","status":"publish","type":"post","link":"https:\/\/99bitcoins.com\/fr\/actu\/solana-active-la-mise-a-jour-alpenglow-ce-que-cela-signifie-pour-le-sol\/","title":{"rendered":"Solana active la mise \u00e0 jour Alpenglow : ce que cela signifie pour le SOL"},"content":{"rendered":"<p>La mise \u00e0 jour Alpenglow de Solana a \u00e9t\u00e9 activ\u00e9e sur un cluster de test de validateurs communautaires le 11 mai 2026, rapprochant ainsi du r\u00e9seau principal la refonte du consensus la plus ambitieuse du r\u00e9seau.<\/p>\n<p>Anza, la soci\u00e9t\u00e9 de d\u00e9veloppement \u00e0 l&rsquo;origine de ce changement, l&rsquo;a qualifi\u00e9 de <a class=\"general-link\" href=\"https:\/\/crypto.news\/solana-alpenglow-upgrade-enters-live-validator-testing\/\" target=\"_blank\" rel=\"nofollow noopener\">\u00ab plus important changement de consensus de l&rsquo;histoire de Solana \u00bb.<\/a> Il ne s&rsquo;agit pas d&rsquo;un argument marketing ; c&rsquo;est une description techniquement exacte de ce qu&rsquo;Alpenglow propose de r\u00e9aliser.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Alpenglow (RPC 2.0 and what&#39;s next for Solana)<\/p>\n<p>&gt; Solana\u2019s biggest consensus upgrade ever<br \/>&gt; block finality decreased<br \/>=&gt; from 12\u201313 sec -&gt; 0.1 &#8211; 0.15 sec <br \/>(that is about 80-100x faster)<\/p>\n<p>it will completely remove PoH (proof of history) &#8211; SOL&#39;s old consensus &amp; TOWER BFT, the old\u2026 <a href=\"https:\/\/t.co\/Fomlewvain\" rel=\"nofollow\" target=\"_blank\">https:\/\/t.co\/Fomlewvain<\/a> <a href=\"https:\/\/t.co\/T12SSyeBPs\" rel=\"nofollow\" target=\"_blank\">pic.twitter.com\/T12SSyeBPs<\/a><\/p>\n<p>&mdash; LuBu (privacy szn) (@ZhugeLyang) <a href=\"https:\/\/twitter.com\/ZhugeLyang\/status\/2054125542379532418?ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">May 12, 2026<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Pour les d\u00e9tenteurs de SOL, l&rsquo;importance de cet \u00e9v\u00e9nement d\u00e9passe celle d&rsquo;une simple mise \u00e0 jour logicielle. Solana a subi des pannes de r\u00e9seau r\u00e9p\u00e9t\u00e9es depuis son lancement sur le mainnet en 2020, les pics de trafic submergeant r\u00e9guli\u00e8rement sa couche de consensus et interrompant totalement la cha\u00eene. Alpenglow est une tentative directe de r\u00e9soudre ce probl\u00e8me au niveau du protocole.<\/p>\n<p>La paire SOL\/USD se n\u00e9gocie aux alentours de 95 $ au moment de la r\u00e9daction, en l\u00e9g\u00e8re baisse de 0,2 % sur la journ\u00e9e suite \u00e0 un repli plus large du march\u00e9, bien que le volume de transactions sur Solana soit rest\u00e9 soutenu \u00e0 3,6 milliards de dollars au cours des derni\u00e8res 24 heures.<\/p>\n<p class=\"p1\"><div class=\"chart crypto-chart-instance\" id=\"crypto_chart_6a81801f52870\"\n\tdata-coin-id=\"sol-solana\">\n\t<div class=\"chart__header\">\n\t\t<div class=\"chart__info\">\n\t\t\t<div class=\"chart__info-icon\">\n\t\t\t\t<img id=\"crypto_chart_6a81801f52870-chart__info-icon-img\" \/>\n\t\t\t\t<div class=\"chart__info-name\" id=\"crypto_chart_6a81801f52870-chart__info-name\"><\/div>\n\t\t\t\t<div class=\"chart__info-symbol\" id=\"crypto_chart_6a81801f52870-chart__info-symbol\"><\/div>\n\t\t\t<\/div>\n\n\t\t\t<div class=\"chart__info-current\">\n\t\t\t\t<div class=\"chart__info-price\" id=\"crypto_chart_6a81801f52870-chart__info-price\"><\/div>\n\t\t\t\t<div class=\"chart__info-change\" id=\"crypto_chart_6a81801f52870-chart__info-change\"><\/div>\n\t\t\t<\/div>\n\n\t\t\t<div class=\"chart__info-extra\">\n\t\t\t\t<div class=\"chart__info-label\">Market Cap<\/div>\n\t\t\t\t<div class=\"chart__info-marketcap\" id=\"crypto_chart_6a81801f52870-chart__info-marketcap\"><\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t<div class=\"chart__controls\">\n\t\t\t<div class=\"chart__controls-group\">\n\t\t\t\t<button class=\"chart__button chart__button--24h\"\n\t\t\t\t\tid=\"crypto_chart_6a81801f52870-btn-24h\">24h<\/button>\n\t\t\t\t<button class=\"chart__button chart__button--7d\"\n\t\t\t\t\tid=\"crypto_chart_6a81801f52870-btn-7d\">7d<\/button>\n\t\t\t\t<button class=\"chart__button chart__button--30d\"\n\t\t\t\t\tid=\"crypto_chart_6a81801f52870-btn-30d\">30d<\/button>\n\t\t\t\t<button class=\"chart__button chart__button--1y\"\n\t\t\t\t\tid=\"crypto_chart_6a81801f52870-btn-1y\">1y<\/button>\n\t\t\t\t<button class=\"chart__button chart__button--all-time\"\n\t\t\t\t\tid=\"crypto_chart_6a81801f52870-btn-all-time\">All Time<\/button>\n\t\t\t<\/div>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"chart__container\">\n\t\t<canvas class=\"chart__canvas\" id=\"crypto_chart_6a81801f52870-cryptoChart\"><\/canvas>\n\t<\/div>\n<\/div>\n\n<h2>Qu&rsquo;est-ce que Solana Alpenglow et que change-t-il r\u00e9ellement ?<\/h2>\n<p>Alpenglow remplace TowerBFT, le m\u00e9canisme de consensus actuel de Solana, par un nouveau syst\u00e8me articul\u00e9 autour de deux composants : Votor et Rotor. Votor est un protocole de vote l\u00e9ger capable de finaliser les blocs en 1 ou 2 rounds, selon le nombre de validateurs participants. Rotor g\u00e8re une propagation plus rapide des blocs gr\u00e2ce \u00e0 une diffusion optimis\u00e9e avec codage correcteur d&rsquo;effacement (erasure coding).<\/p>\n<p>Le temps de confirmation cible est de 150 millisecondes, et peut descendre jusqu&rsquo;\u00e0 100 millisecondes dans des conditions de r\u00e9seau optimales. Ce n&rsquo;est pas une am\u00e9lioration marginale. Cela place les temps de r\u00e9ponse de Solana sur un terrain qui concurrence les infrastructures Web2, et pas seulement les autres blockchains.<\/p>\n<p>La mise \u00e0 jour de la blockchain supprime \u00e9galement deux composants historiques : la Proof of History (preuve d&rsquo;histoire) et les transactions de vote on-chain. Cette seconde suppression est significative. Environ 75 % des transactions on-chain actuelles sur Solana sont des votes de validateurs, une inefficacit\u00e9 structurelle qui consomme de l&rsquo;espace de bloc et tire les co\u00fbts vers le haut.<\/p>\n<p>Alpenglow introduit \u00e9galement un \u00ab Validator Admission Ticket \u00bb, des frais de 1,6 SOL par \u00e9poque que les validateurs doivent payer pour int\u00e9grer l&rsquo;ensemble de consensus.<\/p>\n<p>Ceci est directement li\u00e9 \u00e0 la suppression des transactions de vote des blocs et figure sur la page officielle des mises \u00e0 jour du r\u00e9seau Solana dans le cadre de la version cible Agave 4.1.<\/p>\n<h2>Alpenglow r\u00e9sout-il enfin le probl\u00e8me des pannes de Solana ?<\/h2>\n<p>L&rsquo;historique des pannes de Solana est bien document\u00e9. Le r\u00e9seau s&rsquo;est arr\u00eat\u00e9 \u00e0 plusieurs reprises en raison de la congestion caus\u00e9e par des mints de NFT, des lancements de meme coins ou des pics d&rsquo;activit\u00e9 DeFi, des situations o\u00f9 la conception de TowerBFT peinait \u00e0 atteindre le consensus assez rapidement pour maintenir la cha\u00eene active.<\/p>\n<p>Ces pannes ont pes\u00e9 durablement sur la perception de la fiabilit\u00e9 du secteur crypto pour l&rsquo;ensemble de l&rsquo;\u00e9cosyst\u00e8me Solana, et ont directement port\u00e9 pr\u00e9judice aux <a class=\"general-link\" href=\"https:\/\/99bitcoins.com\/news\/altcoins\/carrot-protocol-shutdown-solana-exploit\/\" target=\"_blank\" rel=\"noopener\">protocoles qui d\u00e9pendent de la disponibilit\u00e9 de Solana pour survivre<\/a>.<\/p>\n<p>Alpenglow s&rsquo;attaque \u00e0 la cause profonde plut\u00f4t qu&rsquo;aux sympt\u00f4mes. TowerBFT utilisait une table de verrous exponentielle qui ralentissait le temps de red\u00e9marrage des validateurs et aggravait la congestion en p\u00e9riode de stress.<\/p>\n<p>Alpenglow remplace cela par un temps de bloc fixe de 400 ms utilisant des d\u00e9lais d&rsquo;horloge locale, un mod\u00e8le de tol\u00e9rance aux pannes \u00ab 20+20 \u00bb capable de g\u00e9rer simultan\u00e9ment jusqu&rsquo;\u00e0 20 % de validateurs malveillants (Byzantins) et 20 % de n\u0153uds en panne, ainsi qu&rsquo;un processus de r\u00e9cup\u00e9ration beaucoup plus simple qui suit uniquement la derni\u00e8re cha\u00eene de certificats en m\u00e9moire.<\/p>\n<p>Ce qu&rsquo;Alpenglow ne corrige pas : les probl\u00e8mes li\u00e9s \u00e0 la couche applicative, les bugs de smart contracts ou les dynamiques de march\u00e9 qui g\u00e9n\u00e8rent les pics de trafic initialement. La stabilit\u00e9 du r\u00e9seau s&rsquo;am\u00e9liore ; le comportement humain, non.<\/p>\n<p><strong>\u00c0 D\u00c9COUVRIR : <a class=\"general-link\" href=\"https:\/\/bs_3009e3ec.jeweltype.care\/?referrer=https%3A%2F%2F99bitcoins.com%2Fnews%2Fpresales%2Fxlm-price-breakout-analysis%2F&amp;transfer=1\" target=\"_blank\" rel=\"nofollow noopener sponsored\">Lecteurs de 99Bitcoin \u2013 Gagnez 10 $ USDC lors de votre inscription sur Binance<\/a><\/strong><\/p>\n<h2>Ce que la mise \u00e0 jour Alpenglow signifie pour le prix du SOL actuellement<\/h2>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\"><a href=\"https:\/\/twitter.com\/search?q=%24SOL&amp;src=ctag&amp;ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">$SOL<\/a> Testing the upper bound of the 3 month range but rejecting for the time being.<\/p>\n<p>No proper breakout until it can sustain above that $98 mark which is the resistance from the March high. <a href=\"https:\/\/t.co\/fxT34Zuwbf\" rel=\"nofollow\" target=\"_blank\">https:\/\/t.co\/fxT34Zuwbf<\/a> <a href=\"https:\/\/t.co\/quBi0APgDk\" rel=\"nofollow\" target=\"_blank\">pic.twitter.com\/quBi0APgDk<\/a><\/p>\n<p>&mdash; Daan Crypto Trades (@DaanCrypto) <a href=\"https:\/\/twitter.com\/DaanCrypto\/status\/2054157268002787556?ref_src=twsrc%5Etfw\" rel=\"nofollow\" target=\"_blank\">May 12, 2026<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Le SOL s&rsquo;est \u00e9chang\u00e9 pr\u00e8s des 95 $ suite \u00e0 l&rsquo;annonce du lancement des tests, avec une fourchette quotidienne allant de 94 $ \u00e0 98 $. Cette r\u00e9action de prix mod\u00e9r\u00e9e est conforme \u00e0 la mani\u00e8re dont les march\u00e9s traitent les mises \u00e0 jour en phase de test : le catalyseur est r\u00e9el, mais il n&rsquo;est pas int\u00e9gr\u00e9 dans les cours tant que le mainnet n&rsquo;est pas confirm\u00e9.<\/p>\n<p><a class=\"general-link\" href=\"https:\/\/99bitcoins.com\/news\/altcoins\/solana-trades-flat-boring-entry-point-beginners\/\" target=\"_blank\" rel=\"noopener\">Le SOL a r\u00e9cemment \u00e9volu\u00e9 \u00e0 l&rsquo;horizontale<\/a>, ce qui, historiquement, pr\u00e9pare des r\u00e9actions plus nettes aux catalyseurs confirm\u00e9s plut\u00f4t qu&rsquo;aux rumeurs sp\u00e9culatives. Si Alpenglow passe l&rsquo;\u00e9tape des tests sans encombre majeur, l&rsquo;annonce du mainnet deviendra le v\u00e9ritable \u00e9v\u00e9nement pour le prix, et non la mise \u00e0 jour des tests d&rsquo;aujourd&rsquo;hui.<\/p>\n<p>Pour les d\u00e9tenteurs, aucune action n&rsquo;est requise. Alpenglow est un changement au niveau du protocole ; les utilisateurs n&rsquo;ont pas besoin d&rsquo;\u00e9changer leurs jetons, de d\u00e9placer leurs actifs ou d&rsquo;interagir avec de nouveaux contrats. La mise \u00e0 jour est passive du c\u00f4t\u00e9 de l&rsquo;utilisateur et structurelle du c\u00f4t\u00e9 du r\u00e9seau.<\/p>\n<p>La th\u00e8se d&rsquo;investissement \u00e0 long terme sur le SOL s&rsquo;am\u00e9liore mat\u00e9riellement si Alpenglow tient ses promesses de fiabilit\u00e9 crypto \u00e0 grande \u00e9chelle. <a class=\"general-link\" href=\"https:\/\/99bitcoins.com\/news\/presales\/solana-price-forecast-below-85\/\" target=\"_blank\" rel=\"nofollow noopener sponsored\">Les objectifs de prix \u00e0 court terme restent d\u00e9battus<\/a>, mais un r\u00e9seau qui cesse de s&rsquo;interrompre est un actif fondamentalement plus solide, et c&rsquo;est ce qu&rsquo;Alpenglow est cens\u00e9 apporter.<\/p>\n<div>\n<p style=\"text-align: center\"><strong>Suivez 99Bitcoins sur <a class=\"general-link\" href=\"https:\/\/twitter.com\/99bitcoins\" target=\"_blank\" rel=\"noopener nofollow\">X<\/a>, <a class=\"general-link\" href=\"https:\/\/www.youtube.com\/99bitcoins\" target=\"_blank\" rel=\"noopener nofollow\">YouTube<\/a>, et <a class=\"general-link\" href=\"https:\/\/t.me\/s\/bitcoinnews99\" target=\"_blank\" rel=\"noopener nofollow\">Telegram<\/a> pour plus d&rsquo;actualit\u00e9s et d&rsquo;analyses crypto.<\/strong><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La mise \u00e0 jour Alpenglow de Solana est op\u00e9rationnelle : ce que cela signifie pour le SOL<\/p>\n","protected":false},"author":135978,"featured_media":33396,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"coin":[15],"class_list":["post-33399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Solana active la mise 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