{"id":21993,"date":"2026-05-12T18:30:11","date_gmt":"2026-05-12T18:30:11","guid":{"rendered":"https:\/\/www.coinspeaker.com\/fr\/?p=21993"},"modified":"2026-05-12T12:36:11","modified_gmt":"2026-05-12T12:36:11","slug":"actualite-solana-active-la-mise-a-jour-alpenglow","status":"publish","type":"post","link":"https:\/\/www.coinspeaker.com\/fr\/actualite-solana-active-la-mise-a-jour-alpenglow\/","title":{"rendered":"Solana active la mise \u00e0 jour Alpenglow pour les tests de validateurs en direct"},"content":{"rendered":"<p>La <a href=\"https:\/\/forum.solana.com\/t\/simd-0326-proposal-for-the-new-alpenglow-consensus-protocol\/4236\" target=\"_blank\" rel=\"\">mise \u00e0 jour Alpenglow<\/a> de Solana a entam\u00e9 sa phase de test aupr\u00e8s des validateurs de la communaut\u00e9 le 11 mai.<\/p>\n<p>La soci\u00e9t\u00e9 de d\u00e9veloppement Anza d\u00e9crit cette activation comme le changement de consensus le plus important de l&rsquo;histoire du r\u00e9seau, visant des temps de confirmation de blocs d&rsquo;environ 150 millisecondes, pouvant descendre jusqu&rsquo;\u00e0 100 millisecondes dans des conditions de r\u00e9seau favorables. Il s&rsquo;agit d&rsquo;une nouvelle majeure pour Solana.<\/p>\n<p>La mise \u00e0 jour remplace TowerBFT et retire la Proof of History (Preuve d&rsquo;Histoire) du processus central du r\u00e9seau. Ce changement structurel est si important que son succ\u00e8s ou son \u00e9chec d\u00e9finira concr\u00e8tement la position concurrentielle de Solana parmi les r\u00e9seaux de couche 1 (Layer-1) \u00e0 haut d\u00e9bit jusqu&rsquo;\u00e0 la fin de l&rsquo;ann\u00e9e 2026.<\/p>\n<p>Le SOL s&rsquo;\u00e9changeait aux alentours de 97 USD apr\u00e8s l&rsquo;annonce, avec une fourchette intrajournali\u00e8re comprise entre 94 et 98 USD, sugg\u00e9rant une r\u00e9action limit\u00e9e du march\u00e9 \u00e0 court terme pour un d\u00e9veloppement qui reste encore bien en amont du r\u00e9seau principal (mainnet).<\/p>\n<p>La phase de test place Alpenglow sur un cluster de test communautaire o\u00f9 les op\u00e9rateurs de validateurs peuvent \u00e9valuer la nouvelle architecture de consensus avant tout d\u00e9ploiement plus large.<\/p>\n<p>Anza a invit\u00e9 d&rsquo;autres op\u00e9rateurs \u00e0 rejoindre le prochain cluster communautaire, et la page officielle des mises \u00e0 jour du r\u00e9seau Solana indique qu&rsquo;Alpenglow est attendu avec Agave 4.1, la version du client par laquelle le d\u00e9ploiement sur le mainnet est actuellement pr\u00e9vu pour la fin 2026.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"474\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">LATEST: \u26a1 Solana&#39;s Alpenglow consensus upgrade has gone live on a community test cluster, marking a key step toward a mainnet rollout targeted for later this year. <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/t.co\/jqjHbe74ih\">pic.twitter.com\/jqjHbe74ih<\/a><\/p>\n<p>&mdash; CoinMarketCap (@CoinMarketCap) <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/CoinMarketCap\/status\/2053952834626810287?ref_src=twsrc%5Etfw\">May 11, 2026<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p><strong>\u00c0 D\u00c9COUVRIR : <a href=\"https:\/\/www.coinspeaker.com\/guides\/best-meme-coins-to-buy\/\" target=\"_blank\" rel=\"nofollow\">Meilleurs Meme Coins \u00e0 acheter en 2026<\/a><\/strong><\/p>\n<h2>Actualit\u00e9 Solana : Alpenglow et le m\u00e9canisme de consensus Votor : ce que le changement d&rsquo;architecture apporte r\u00e9ellement \u00e0 la finalit\u00e9 de Solana<\/h2>\n<p>Le c\u0153ur technique d&rsquo;Alpenglow est Votor, un syst\u00e8me de vote l\u00e9ger con\u00e7u pour finaliser les blocs en un ou deux tours, selon la proportion de validateurs r\u00e9pondant dans une fen\u00eatre donn\u00e9e.<\/p>\n<p>Alors que TowerBFT exigeait que les validateurs publient leurs votes sous forme de transactions on-chain, consommant environ 50 % ou plus de la capacit\u00e9 de traitement des blocs, Votor d\u00e9place enti\u00e8rement ce processus hors cha\u00eene (off-chain)<\/p>\n<p>. Il utilise une messagerie directe et l&rsquo;agr\u00e9gation de signatures pour atteindre un consensus sans occuper l&rsquo;espace des blocs.<\/p>\n<p>L&rsquo;implication pratique est qu&rsquo;environ 75 % de la capacit\u00e9 de bloc pr\u00e9c\u00e9demment consomm\u00e9e devient disponible pour les transactions des utilisateurs, un gain d&rsquo;efficacit\u00e9 des ressources qui s&rsquo;ajoute \u00e0 l&rsquo;am\u00e9lioration brute de la latence.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"474\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">The Alpenglow community cluster completed its first successful Alpenswitch.<\/p>\n<p>In our Year Ahead Report, we covered how the upgrade could compress Solana finality, enabling tighter sequencing for onchain markets.<\/p>\n<p>Read the report for free here.<a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/t.co\/xJnMOX7JVx\">https:\/\/t.co\/xJnMOX7JVx<\/a> <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/t.co\/qJOX2bwcTA\">https:\/\/t.co\/qJOX2bwcTA<\/a> <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/t.co\/fuvS9JNnr1\">pic.twitter.com\/fuvS9JNnr1<\/a><\/p>\n<p>&mdash; Delphi Digital (@Delphi_Digital) <a rel=\"noopener noreferrer\" target=\"_blank\" rel=\"noopener nofollow sponsored\" href=\"https:\/\/twitter.com\/Delphi_Digital\/status\/2053886369437470995?ref_src=twsrc%5Etfw\">May 11, 2026<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Alpenglow introduit \u00e9galement Rotor pour la propagation des blocs, rempla\u00e7ant le m\u00e9canisme Turbine existant, et adopte un temps de bloc fixe de 400 millisecondes avec des d\u00e9lais d&rsquo;attente locaux tol\u00e9rant jusqu&rsquo;\u00e0 5 % de d\u00e9rive d&rsquo;horloge. Cela \u00e9limine la cha\u00eene de hachage continue initialement requise par la Proof of History.<\/p>\n<p>Le mod\u00e8le de tol\u00e9rance aux pannes \u00e9volue \u00e9galement : Alpenglow adopte un cadre tol\u00e9rant jusqu&rsquo;\u00e0 20 % de validateurs malveillants, 20 % de validateurs hors ligne, ou 40 % combin\u00e9s, contre un plafond de 33 % pour les syst\u00e8mes traditionnels de tol\u00e9rance aux pannes byzantines (BFT).<\/p>\n<p>La mise \u00e0 jour introduit aussi un \u00ab Validator Admission Ticket \u00bb, ou VAT, fix\u00e9 \u00e0 1,6 SOL par \u00e9poque. Il s&rsquo;agit d&rsquo;une taxe que les validateurs doivent payer pour entrer dans l&rsquo;ensemble de consensus, directement li\u00e9e au retrait des transactions de vote au sein des blocs.<\/p>\n<p>La proposition \u00e0 l&rsquo;origine de ces changements, SIMD-0326, a re\u00e7u l&rsquo;approbation de 98,27 % des validateurs lors d&rsquo;un vote en 2025. Ses origines acad\u00e9miques remontent aux recherches sur les syst\u00e8mes distribu\u00e9s de l&rsquo;ETH Zurich.<\/p>\n<p>Ce r\u00e9sultat de gouvernance repr\u00e9sente un mandat exceptionnel pour un changement d&rsquo;une telle profondeur structurelle. Cela r\u00e9duit consid\u00e9rablement le risque de coordination qui a pu faire d\u00e9railler d&rsquo;autres r\u00e9\u00e9critures majeures de protocoles au stade de la proposition.<\/p>\n<p>Le <a href=\"https:\/\/www.coinspeaker.com\/polygon-giugliano-hardfork-faster-finality\/\" target=\"_blank\" rel=\"\">hardfork Giugliano de Polygon<\/a>, qui visait \u00e9galement des am\u00e9liorations de finalit\u00e9 sur une blockchain concurrente, a rencontr\u00e9 des conditions de gouvernance plus contest\u00e9es, un contraste notable alors que le chemin d&rsquo;Alpenglow vers le mainnet se poursuit.<\/p>\n<p><a target=\"_blank\" rel=\"noopener nofollow sponsored\" class=\"infinscroll_next_page_link\" style=\"display: none;\" href=\"https:\/\/www.coinspeaker.com\/scaramucci-warns-clarity-act-three-year-delay-banking-pushback\/\" rel=\"prev\">next<\/a><\/p>\n<a class=\"infinscroll_next_page_link\" style=\"display:none\" href=\"https:\/\/www.coinspeaker.com\/fr\/scaramucci-retard-de-3-ans-pour-la-clarity-act\/\" rel=\"prev\">next<\/a>","protected":false},"excerpt":{"rendered":"<p>Lancement de Solana Alpenglow : phase de test pour une finalit\u00e9 inf\u00e9rieure \u00e0 la seconde<\/p>\n","protected":false},"author":200,"featured_media":21992,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21993","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 v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Solana active la mise \u00e0 jour Alpenglow pour tests validateurs live<\/title>\n<meta name=\"description\" content=\"Avec Alpenglow, les op\u00e9rateurs de validateurs peuvent \u00e9valuer la nouvelle architecture de consensus avant 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Le DIY, pour moi, c\u2019est comme la crypto : comprendre, tester, construire soi-m\u00eame.","url":"https:\/\/www.coinspeaker.com\/fr\/author\/emmanuel\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/posts\/21993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/users\/200"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/comments?post=21993"}],"version-history":[{"count":2,"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/posts\/21993\/revisions"}],"predecessor-version":[{"id":21995,"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/posts\/21993\/revisions\/21995"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/media\/21992"}],"wp:attachment":[{"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/media?parent=21993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/categories?post=21993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.coinspeaker.com\/fr\/wp-json\/wp\/v2\/tags?post=21993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}