{"id":168284,"date":"2025-09-21T09:30:00","date_gmt":"2025-09-21T09:30:00","guid":{"rendered":"https:\/\/cryptonews.com\/fr\/?p=168284"},"modified":"2025-09-21T09:30:00","modified_gmt":"2025-09-21T09:30:00","slug":"solana-upgrade-alpenglow","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/solana-upgrade-alpenglow\/","title":{"rendered":"Solana vise la vitesse de Visa avec son upgrade Alpenglow approuv\u00e9e \u00e0 98 %"},"content":{"rendered":"<p>La communaut\u00e9 Solana a largement soutenu l&#8217;upgrade Alpenglow, une mise \u00e0 jour susceptible de r\u00e9volutionner l&#8217;exp\u00e9rience utilisateur sur la blockchain. Avec <strong>plus de 98 % de soutien<\/strong> des validateurs et stakers, le r\u00e9seau se pr\u00e9pare \u00e0 une acc\u00e9l\u00e9ration spectaculaire : r\u00e9duire le temps de finalit\u00e9 des transactions de <strong>12,8 secondes<\/strong> \u00e0 seulement <strong>100\u2013150 millisecondes<\/strong>.<\/p><h2 class=\"wp-block-heading\">Une avanc\u00e9e technique sans pr\u00e9c\u00e9dent<\/h2><span class=\"replacer\"><\/span><p>Deux innovations majeures sont \u00e0 la base d&#8217;<a href=\"https:\/\/forum.solana.com\/t\/simd-0326-proposal-for-the-new-alpenglow-consensus-protocol\/4236\" target=\"_blank\" rel=\"noreferrer noopener\">Alpenglow<\/a> : Votor et Rotor.<\/p><p>Votor introduit un nouveau m\u00e9canisme de consensus bas\u00e9 sur un syst\u00e8me de vote \u00e0 double tour. Rotor met en place une propagation des donn\u00e9es pond\u00e9r\u00e9e par les mises en jeu (stake), permettant d\u2019optimiser la vitesse de diffusion sur le r\u00e9seau.<\/p><p>Gr\u00e2ce \u00e0 cette combinaison, la finalit\u00e9 des transactions pourrait devenir encore plus rapide qu\u2019une recherche Google <strong>(\u2248200 millisecondes)<\/strong> et comparable \u00e0 la <strong>rapidit\u00e9 des r\u00e8glements Visa<\/strong>. Cette course \u00e0 la performance transactionnelle se refl\u00e8te d\u00e9j\u00e0 dans l\u2019\u00e9cosyst\u00e8me, comme l\u2019illustre la publication sur X de Syndica mettant en avant les performances r\u00e9centes de <a href=\"https:\/\/cryptonews.com\/fr\/coins\/sol-solana\/\">Solana (SOL)<\/a> :<\/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\">2\/ <a href=\"https:\/\/twitter.com\/solana?ref_src=twsrc%5Etfw\">@Solana<\/a> maintained the highest active TPS.<br><br>Solana achieved an 839 active TPS in August, outpacing <a href=\"https:\/\/twitter.com\/binance?ref_src=twsrc%5Etfw\">@binance<\/a> Smart Chain, the second-highest chain, by 6x. <a href=\"https:\/\/t.co\/7eQLqzWy6a\">pic.twitter.com\/7eQLqzWy6a<\/a><\/p>&mdash; Syndica (@Syndica_io) <a href=\"https:\/\/twitter.com\/Syndica_io\/status\/1968771026642206771?ref_src=twsrc%5Etfw\">September 18, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure><h2 class=\"wp-block-heading\">Des usages in\u00e9dits pour la DeFi, le gaming et les paiements<\/h2><span class=\"replacer\"><\/span><p>Cette augmentation de presque centuple par rapport \u00e0 la vitesse actuelle pave la route pour de nouvelles applications sur Solana.<\/p><p>Dans l&#8217;application, la DeFi pourrait \u00eatre avantag\u00e9e par des <strong>transactions en temps r\u00e9el<\/strong>, supprimant les retards qui entravent certaines m\u00e9thodes de n\u00e9gociation. Il se pourrait que l&#8217;exp\u00e9rience de jeu sur la blockchain soit tout aussi fluide et comparable aux standards des jeux traditionnels.<\/p><p>Au final, les paiements quasi imm\u00e9diats pourraient \u00eatre b\u00e9n\u00e9fiques pour <a href=\"https:\/\/cryptonews.com\/fr\/news\/altcoin-potentiel-cache-joyau-crypto-2025\/\" rel=\"sponsored nofollow\">les transactions commerciales pour les particuliers<\/a>, un aspect fr\u00e9quemment consid\u00e9r\u00e9 comme crucial pour concurrencer les syst\u00e8mes financiers traditionnels.<\/p><p>D\u2019ailleurs, certains analystes comparent d\u00e9j\u00e0 Solana au Nasdaq, estimant que sa rapidit\u00e9 pourrait bient\u00f4t <strong>rivaliser avec les g\u00e9ants<\/strong> des march\u00e9s traditionnels.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"840\" height=\"307\" src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19145012\/When-will-Solana-flip-NASDAQ-1.png\" alt=\"\" class=\"wp-image-168319\" srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19145012\/When-will-Solana-flip-NASDAQ-1.png 840w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19145012\/When-will-Solana-flip-NASDAQ-1-300x110.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19145012\/When-will-Solana-flip-NASDAQ-1-768x281.png 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19145012\/When-will-Solana-flip-NASDAQ-1-450x164.png 450w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\"><figcaption class=\"wp-element-caption\">Transactions et volumes de Solana et du Nasdaq. Source : <a href=\"https:\/\/www.flipthe.market\/\" target=\"_blank\" rel=\"noreferrer noopener\">flipthe.market<\/a><\/figcaption><\/figure><h2 class=\"wp-block-heading\">Un vote communautaire \u00e9crasant<\/h2><span class=\"replacer\"><\/span><p>Le processus de gouvernance s\u2019est conclu le 4 septembre 2025. Selon les r\u00e9sultats publi\u00e9s, <strong>98,94 %<\/strong> des participants ont valid\u00e9 la proposition, d\u00e9montrant un consensus rare au sein de l\u2019\u00e9cosyst\u00e8me.<\/p><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"442\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" class=\"wp-image-168303 lazyload\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19142617\/Gz2NHlVX0AEC-11-1024x442.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19142617\/Gz2NHlVX0AEC-11-1024x442.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19142617\/Gz2NHlVX0AEC-11-300x129.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19142617\/Gz2NHlVX0AEC-11-768x331.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19142617\/Gz2NHlVX0AEC-11-1536x663.jpg 1536w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19142617\/Gz2NHlVX0AEC-11-2048x884.jpg 2048w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19142617\/Gz2NHlVX0AEC-11-450x194.jpg 450w\"><\/figure><p>D\u00e8s lors, le projet est pass\u00e9 en phase d\u2019impl\u00e9mentation. Le programme envisage une impl\u00e9mentation sur testnet pour d\u00e9cembre 2025, lors de la conf\u00e9rence Breakpoint, suivie d&#8217;un d\u00e9ploiement sur <strong>mainnet au d\u00e9but de l&#8217;ann\u00e9e 2026<\/strong>.<\/p><h2 class=\"wp-block-heading\">Des interrogations sur la r\u00e9silience du r\u00e9seau<\/h2><span class=\"replacer\"><\/span><p>Malgr\u00e9 une palpable excitation, certaines voix s&#8217;\u00e9l\u00e8vent pour exprimer leurs inqui\u00e9tudes quant \u00e0 la d\u00e9pendance actuelle de Solana vis-\u00e0-vis d&#8217;un seul client validateur, Agave. Cette concentration pourrait constituer un <strong>point faible en cas de probl\u00e8me<\/strong> ou d&#8217;anomalie.<\/p><p>N\u00e9anmoins, un projet annexe nomm\u00e9 <a href=\"https:\/\/github.com\/firedancer-io\/firedancer\" target=\"_blank\" rel=\"noreferrer noopener\">Firedancer<\/a>, d\u00e9velopp\u00e9 par Jump Crypto, est actuellement en d\u00e9veloppement et devrait <strong>renforcer la robustesse du r\u00e9seau<\/strong> gr\u00e2ce \u00e0 la diversification de ses configurations logicielles.<\/p><h2 class=\"wp-block-heading\">Solana face au d\u00e9fi de l\u2019adoption<\/h2><span class=\"replacer\"><\/span><p>Gr\u00e2ce \u00e0 Alpenglow, Solana franchit une \u00e9tape importante dans sa qu\u00eate d&#8217;efficacit\u00e9. Toutefois, la r\u00e9ussite de cette mise \u00e0 jour d\u00e9pendra de l&#8217;aptitude du r\u00e9seau \u00e0 <strong>attirer des d\u00e9veloppeurs<\/strong>, des projets et des utilisateurs dans un environnement concurrentiel o\u00f9 <a href=\"https:\/\/cryptonews.com\/fr\/coins\/ethereum\/\">Ethereum (ETH)<\/a>, <a href=\"https:\/\/cryptonews.com\/fr\/coins\/polygon-ecosystem-token\/\">Polygon (POL)<\/a> et d&#8217;autres solutions de couche 2 progressent rapidement.<\/p><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"614\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" class=\"wp-image-168308 lazyload\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19143341\/G1J67dcWwAE8ViR-1-1024x614.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19143341\/G1J67dcWwAE8ViR-1-1024x614.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19143341\/G1J67dcWwAE8ViR-1-300x180.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19143341\/G1J67dcWwAE8ViR-1-768x460.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19143341\/G1J67dcWwAE8ViR-1-1536x920.jpg 1536w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19143341\/G1J67dcWwAE8ViR-1-450x270.jpg 450w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/19143341\/G1J67dcWwAE8ViR-1.jpg 2048w\"><\/figure><p>En d\u00e9finitive, si Alpenglow tenait ses engagements, Solana pourrait s&#8217;affirmer comme la blockchain privil\u00e9gi\u00e9e pour les applications qui requi\u00e8rent une faible latence et des transactions en temps r\u00e9el.<\/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\/paypal-pyusd-avalanche-avax-hausse\/\">Paypal (PYUSD) disponible sur Avalanche : ce que \u00e7a change pour AVAX \u00e0 long terme<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/apres-un-700-sur-xrp-ce-trader-devoile-une-alerte-majeure-sur-bitcoin\/\">Apr\u00e8s un 700 % sur XRP, ce trader d\u00e9voile une alerte majeure sur Bitcoin<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/bitcoin-menace-quantique-2030\/\">Bitcoin menac\u00e9 par le quantique d\u2019ici 2030 d\u2019apr\u00e8s le co-fondateur de Solana<\/a><\/li>\n<\/ul><p><\/p>","protected":false},"excerpt":{"rendered":"<p>La communaut\u00e9 Solana a largement soutenu l&#8217;upgrade Alpenglow, une mise \u00e0 jour susceptible de r\u00e9volutionner l&#8217;exp\u00e9rience utilisateur sur la blockchain. Avec plus de 98 % de soutien des validateurs et stakers, le r\u00e9seau se pr\u00e9pare \u00e0 une acc\u00e9l\u00e9ration spectaculaire : r\u00e9duire le temps de finalit\u00e9 des transactions de 12,8 secondes \u00e0 seulement 100\u2013150 millisecondes.Une avanc\u00e9e [&hellip;]<\/p>\n","protected":false},"author":712,"featured_media":168331,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8,1],"tags":[],"editors":[2551],"sponsored_companies":[],"class_list":["post-168284","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-altcoin-news","category-news","editors-julien-leroy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Solana : l\u2019upgrade Alpenglow promet des transactions instantan\u00e9es<\/title>\n<meta name=\"description\" content=\"Solana valide l\u2019upgrade Alpenglow avec 98 % de soutien. 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