{"id":14911,"date":"2025-10-28T08:33:00","date_gmt":"2025-10-28T07:33:00","guid":{"rendered":"https:\/\/www.blog.bim.finance\/?p=14911"},"modified":"2025-10-27T11:42:40","modified_gmt":"2025-10-27T10:42:40","slug":"solana-alpenglow-mise-a-jour","status":"publish","type":"post","link":"https:\/\/www.blog.bim.finance\/en\/solana-alpenglow-mise-a-jour\/","title":{"rendered":"Alpenglow : Solana r\u00e9duit le d\u00e9lai de ses transactions"},"content":{"rendered":"
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Mise en contexte<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Le 2 septembre 2025, la communaut\u00e9 Solana a massivement approuv\u00e9 Alpenglow avec 98,27% des votes favorables. Cette mise \u00e0 jour repr\u00e9sente la refonte la plus importante du protocole depuis son lancement.<\/p>

Alpenglow promet de r\u00e9duire la finalit\u00e9 des transactions de plus de 12 secondes \u00e0 seulement 150 millisecondes, soit une am\u00e9lioration de 100 fois. Cette transformation technique permettra \u00e0 Solana d’atteindre des niveaux de r\u00e9activit\u00e9 comparables aux syst\u00e8mes centralis\u00e9s comme Visa ou Google.<\/p>

Le d\u00e9ploiement est pr\u00e9vu sur le testnet public ce dernier trimestre 2025, avant une activation sur le mainnet au premier trimestre 2026. Cette mise \u00e0 jour introduit deux composants r\u00e9volutionnaires, Votor et Rotor, qui remplacent respectivement TowerBFT et Proof-of-History, les m\u00e9canismes fondamentaux qui ont fait la r\u00e9putation de Solana depuis ses d\u00e9buts.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\"R\u00e9sultats\t\t\t\t\t\t\t\t\t\t\t
R\u00e9sultats du vote pour le d\u00e9ploiement d'Alpenglow - Blockworks<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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En quoi consistent Votor et Rotor ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Au c\u0153ur d’Alpenglow se trouvent deux innovations majeures qui red\u00e9finissent le fonctionnement de Solana.<\/p>

Premi\u00e8rement, Votor remplace le syst\u00e8me TowerBFT. Il introduit un vote hors cha\u00eene o\u00f9 les validateurs partagent leurs votes de mani\u00e8re priv\u00e9e avant de soumettre une seule preuve. Cette approche r\u00e9duit drastiquement la congestion de la bande passante et les co\u00fbts de transaction. Les validateurs d\u00e9pensent actuellement environ un SOL par jour uniquement en frais de vote, soit 4 000 dollars sur les 5 000 dollars mensuels de co\u00fbts op\u00e9rationnels. Alpenglow vise \u00e0 r\u00e9duire ces co\u00fbts de vote de 80%, rendant l’exploitation d’un n\u0153ud validateur beaucoup plus accessible.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\"Illustration\t\t\t\t\t\t\t\t\t\t\t
Illustration de Rotor avec la mise \u00e0 jour Alpenglow - GetBlock<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Rotor, quant \u00e0 lui, remplace le syst\u00e8me Proof-of-History en optimisant la diffusion des blocs et la communication entre validateurs. Cette couche de diffusion plus efficace transmet les informations sans paquets dupliqu\u00e9s. Acc\u00e9l\u00e9rant, ainsi, la propagation des blocs \u00e0 travers le r\u00e9seau. Ensemble, ces deux composants permettent au r\u00e9seau de traiter plus de 90 000 transactions par seconde, soit une augmentation de 30% par rapport aux performances pr\u00e9-mise \u00e0 jour.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Un mod\u00e8le de r\u00e9silience et des performances renforc\u00e9s<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Alpenglow introduit \u00e9galement un nouveau mod\u00e8le de tol\u00e9rance aux pannes appel\u00e9 \u00ab\u00a020-20\u00a0\u00bb. Ce syst\u00e8me garantit que le r\u00e9seau continue de fonctionner m\u00eame si 20% des validateurs sont hors ligne et 20% suppl\u00e9mentaires agissent de mani\u00e8re malveillante. Cette r\u00e9silience accrue prot\u00e8ge le r\u00e9seau contre les pannes r\u00e9gionales ou les pics de trafic sans compromettre le traitement des transactions. La mise \u00e0 jour inclut \u00e9galement l’agr\u00e9gation locale de signatures. Cela permet aux validateurs de regrouper plusieurs signatures de transaction avant de les diffuser.<\/p>

Cette optimisation r\u00e9duit la charge \u00ab\u00a0computationnelle\u00a0\u00bb et lib\u00e8re de la bande passante pr\u00e9cieuse. Par ailleurs, Solana pr\u00e9voit d’augmenter la capacit\u00e9 des blocs de 25% gr\u00e2ce \u00e0 des am\u00e9liorations parall\u00e8les du client Firedancer. Cela double l’efficacit\u00e9 de l’espace bloc en supprimant les limites de taille fixe. Ces am\u00e9liorations techniques positionnent Solana pour supporter des applications financi\u00e8res, des jeux blockchain et des march\u00e9s de pr\u00e9diction n\u00e9cessitant une confirmation instantan\u00e9e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Des cas d'usage transform\u00e9s<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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La finalit\u00e9 de 150 ms ouvre des possibilit\u00e9s d’application enti\u00e8rement nouvelles. Les \u00e9changes d\u00e9centralis\u00e9s pourront offrir une exp\u00e9rience comparable aux plateformes centralis\u00e9es comme Binance ou Coinbase, sans les risques de garde. Les jeux blockchain b\u00e9n\u00e9ficieront d’interactions en temps r\u00e9el impossibles sur des r\u00e9seaux plus lents. Les paiements instantan\u00e9s et les r\u00e8glements transfrontaliers pourront s’effectuer avec la m\u00eame rapidit\u00e9 que les syst\u00e8mes de paiement traditionnels. Tout en ayant la transparence et la s\u00e9curit\u00e9 de la blockchain. Les march\u00e9s de pr\u00e9diction comme Polymarket<\/a> pourront cotiser des \u00e9v\u00e9nements avec une latence n\u00e9gligeable.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Une transformation \u00e9conomique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Au-del\u00e0 des am\u00e9liorations techniques, Alpenglow transforme fondamentalement l’\u00e9conomie des validateurs Solana. La r\u00e9duction des co\u00fbts de vote de 80% abaisse consid\u00e9rablement la barri\u00e8re \u00e0 l’entr\u00e9e pour devenir validateur. Actuellement, seuls les op\u00e9rateurs capables d’investir 5 000 dollars mensuels peuvent maintenir un n\u0153ud rentable. Apr\u00e8s Alpenglow, ce seuil diminuera drastiquement, permettant \u00e0 davantage de participants de contribuer \u00e0 la d\u00e9centralisation du r\u00e9seau.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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L’introduction des Validator Admission Tickets simplifie le processus d’int\u00e9gration en rempla\u00e7ant un syst\u00e8me de co\u00fbts complexe par un ticket unique par cycle. Cette simplification encourage une participation plus large et r\u00e9duit les barri\u00e8res techniques. La croissance du nombre de validateurs am\u00e9liore naturellement la d\u00e9centralisation et la r\u00e9silience du r\u00e9seau. Avec 2,3 millions de portefeuilles actifs quotidiens et 5,9 millions de SOL d\u00e9tenus par des entreprises, Solana d\u00e9montre une croissance soutenue de l’adoption. Cette dynamique positive, combin\u00e9e aux am\u00e9liorations d’Alpenglow, positionne le r\u00e9seau comme une infrastructure blockchain de premi\u00e8re classe. Mais aussi capable de rivaliser avec les syst\u00e8mes centralis\u00e9s tout en conservant les garanties de s\u00e9curit\u00e9 et de transparence de la d\u00e9centralisation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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En bref<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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La mise \u00e0 jour Alpenglow repr\u00e9sente bien plus qu’une am\u00e9lioration incr\u00e9mentale de Solana. Elle constitue une refonte architecturale compl\u00e8te qui propulse le r\u00e9seau vers des performances dignes des infrastructures Web2 tout en maintenant les principes fondamentaux de la d\u00e9centralisation.<\/p>

L’approbation \u00e9crasante \u00e0 98% par les validateurs t\u00e9moigne de la confiance de la communaut\u00e9 dans cette transformation. Lorsque Alpenglow sera d\u00e9ploy\u00e9 sur le mainnet d\u00e9but 2026, Solana franchira un cap d\u00e9cisif dans sa mission de cr\u00e9er une infrastructure blockchain capable de supporter l’\u00e9conomie num\u00e9rique mondiale \u00e0 l’\u00e9chelle d’internet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

La mise \u00e0 jour Alpenglow r\u00e9volutionne Solana en r\u00e9duisant la finalit\u00e9 des transactions de 12 secondes \u00e0 150 millisecondes. Ce changement de consensus majeur introduit Votor et Rotor pour des performances dignes du Web2. D\u00e9couvrons cette r\u00e9volution.<\/p>","protected":false},"author":18,"featured_media":14930,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[37,66],"tags":[],"ppma_author":[145],"class_list":["post-14911","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hors-serie","category-solana"],"yoast_head":"\nAlpenglow : Solana r\u00e9duit le d\u00e9lai de ses transactions - BIM Blog<\/title>\n<meta name=\"description\" content=\"La mise \u00e0 jour Alpenglow transforme Solana avec une r\u00e9duction drastique des d\u00e9lais de transactions. 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