{"id":132341,"date":"2026-10-21T21:07:11","date_gmt":"2026-10-21T19:07:11","guid":{"rendered":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/"},"modified":"2026-10-21T21:07:11","modified_gmt":"2026-10-21T19:07:11","slug":"solana-alpenglow-upgrade-mainnet-activation-150ms-finality","status":"publish","type":"post","link":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/","title":{"rendered":"Solana Begins Alpenglow Upgrade for 150ms Transaction Finality"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Solana Begins Alpenglow Mainnet Activation \u2013 Network Targets 150-Millisecond Transaction Finality<\/p>\n\n<span class=\"anchor\" id=\"key-takeaways\" title=\"Key Takeaways\"><\/span><h2 class=\"wp-block-heading\">Key Takeaways<\/h2>\n\n<ul class=\"wp-block-list\"><li>The Solana Foundation listed the Alpenglow mainnet activation switch as active on October 21.<\/li><li>Transaction finality times are expected to drop from 12.8 seconds to approximately 150 milliseconds.<\/li><li>Validator votes will no longer be counted in block transaction totals.<\/li><li>SOL traded near $106.85 during the activation, with the next price hurdle sitting between $108 and $109.<\/li><\/ul>\n\n<span class=\"anchor\" id=\"solana-foundation-initiates-mainnet-activation-for-alpenglow-upgrade\" title=\"Solana Foundation Initiates Mainnet Activation for Alpenglow Upgrade\"><\/span><h2 class=\"wp-block-heading\">Solana Foundation Initiates Mainnet Activation for Alpenglow Upgrade<\/h2>\n\n<p class=\"wp-block-paragraph\">The Solana network officially entered the mainnet activation process for its Alpenglow upgrade on <strong>October 21<\/strong>. The Solana Foundation marked a critical milestone by listing the activation switch for this update as active. This technical adjustment introduces a completely new mechanism for the computers running the network to agree that transactions are final.<\/p>\n\n<p class=\"wp-block-paragraph\">A transition period is now underway across the ecosystem. The system that was in place prior to October 21 will continue to operate for a set duration. Both systems will run simultaneously before the complete handover to the Alpenglow process takes over.<\/p>\n\n<span class=\"anchor\" id=\"network-settlement-speeds-expected-to-drop-to-150-milliseconds\" title=\"Network Settlement Speeds Expected to Drop to 150 Milliseconds\"><\/span><h2 class=\"wp-block-heading\">Network Settlement Speeds Expected to Drop to 150 Milliseconds<\/h2>\n\n<p class=\"wp-block-paragraph\">The primary goal of the Alpenglow upgrade is to provide users with a significantly shorter wait time before a payment is permanently settled. The development team wants to achieve a finality target of approximately <strong>150 milliseconds<\/strong>. This time frame of 0.15 seconds is designed to replace the <strong>12.8 seconds<\/strong> required by the previous system.<\/p>\n\n<p class=\"wp-block-paragraph\">Finality represents the exact point when the network considers a transaction completely settled and impossible to reverse. A digital asset appearing in a user wallet does not automatically mean the transaction has reached this state of finality. The new mechanism aims to ensure the computers running the network can agree on finalized transactions at a much faster rate.<\/p>\n\n<p class=\"wp-block-paragraph\">The Solana Foundation stated that the 150-millisecond figure is an expectation based entirely on testing environments. Actual network performance for finality speeds will depend directly on live network conditions at any given time.<\/p>\n\n<span class=\"anchor\" id=\"validator-votes-will-no-longer-inflate-total-transaction-metrics\" title=\"Validator Votes Will No Longer Inflate Total Transaction Metrics\"><\/span><h2 class=\"wp-block-heading\">Validator Votes Will No Longer Inflate Total Transaction Metrics<\/h2>\n\n<p class=\"wp-block-paragraph\">A major structural change accompanying the Alpenglow activation involves how the network records validator votes. These automated votes will no longer count as standard transactions recorded within the network blocks. This alters how activity data is generated and reported to the public.<\/p>\n\n<p class=\"wp-block-paragraph\">This accounting adjustment means the total number of transactions reported by the network could experience a noticeable drop. A decrease in reported transaction volume will occur even if actual user activity does not fall. Analysts and users will need to evaluate network metrics differently once the new process completely takes over from the old system.<\/p>\n\n<span class=\"anchor\" id=\"sol-price-action-shows-buying-support-above-the-100-mark\" title=\"SOL Price Action Shows Buying Support Above the $100 Mark\"><\/span><h2 class=\"wp-block-heading\">SOL Price Action Shows Buying Support Above the $100 Mark<\/h2>\n\n<p class=\"wp-block-paragraph\">As the network upgrade began its activation phase, the native SOL token traded around the <strong>$106.85<\/strong> price area. This represented a minor increase of 0.39% at the time of the network event. The asset had recently pulled itself up from the $100 to $102 price levels.<\/p>\n\n<p class=\"wp-block-paragraph\">This recent recovery followed a larger decline where the token fell from the <strong>$124 price level<\/strong>. Market movements showed that buyers were returning at the lower price points. The upward price action indicated returning buyer interest, though prices were still not feeling the full impact of this buying pressure.<\/p>\n\n<p class=\"wp-block-paragraph\">The immediate price area the token needs to cross is situated around the $108 to $109 zone. A successful hold above this area would strengthen the recovery case, allowing traders to look toward the <strong>$112 price area<\/strong> next. If the current rebound fails to break resistance, the $100 to $102 area remains the recent zone where buyers previously stepped in.<\/p>\n\n<span class=\"anchor\" id=\"our-assessment\" title=\"Our Assessment\"><\/span><h2 class=\"wp-block-heading\">Our Assessment<\/h2>\n\n<p class=\"wp-block-paragraph\">The activation of the Alpenglow upgrade marks a structural shift in how the Solana network processes and finalizes digital transactions. Reducing finality time from 12.8 seconds to just 150 milliseconds drastically alters the speed at which payments become irreversible for network users. The procedural change in how validator votes are recorded will also require a reset in how market participants interpret Solana transaction volume data. The long-term impact of this transition will depend strictly on how the network handles real-time conditions following the complete handover from the legacy system.<\/p>\n\n<div class=\"gambling-disclaimer\">\n\t<p>\n\t\tWe have imposed strict editorial guidelines on ourselves and explain our testing methods openly and comprehensively. We also communicate transparently how our work is financed. This site may contain tracking links, but this does not influence our objective view in any way.\t<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The Solana network has entered the mainnet activation phase for its Alpenglow upgrade. The update aims to reduce payment settlement times to just 150 milliseconds.<\/p>\n","protected":false},"author":8,"featured_media":132340,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[],"tags":[],"news_crypto_coin":[],"class_list":["post-132341","post","type-post","status-publish","format-standard","has-post-thumbnail"],"acf":{"faqs":null,"sort_number":999,"sort_number_no_override":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Solana Alpenglow Upgrade: Mainnet Targets 150ms Finality<\/title>\n<meta name=\"description\" content=\"The Solana Foundation has initiated the Alpenglow mainnet upgrade, targeting 150-millisecond transaction finality and updating network transaction metrics.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kryptocasinos.com EN\" \/>\n<meta property=\"og:description\" content=\"The Solana Foundation has initiated the Alpenglow mainnet upgrade, targeting 150-millisecond transaction finality and updating network transaction metrics.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/\" \/>\n<meta property=\"og:site_name\" content=\"Kryptocasinos.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/kryptocasinoscomm\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-21T19:07:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kryptocasinos.com\/wp-content\/uploads\/2026\/10\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1408\" \/>\n\t<meta property=\"og:image:height\" content=\"736\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Isabella Brown\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Isabella Brown\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/\"},\"author\":{\"name\":\"Isabella Brown\",\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/#\\\/schema\\\/person\\\/badee6a5ed8b6777da5bd380d112bcdc\"},\"headline\":\"Solana Begins Alpenglow Upgrade for 150ms Transaction Finality\",\"datePublished\":\"2026-10-21T21:07:11+02:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/\"},\"wordCount\":671,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.kryptocasinos.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/#respond\"]}],\"description\":\"\",\"isAccessibleForFree\":true,\"articleBody\":\"Solana Begins Alpenglow Mainnet Activation - Network Targets 150-Millisecond Transaction Finality\\n\\nKey Takeaways\\n\\nThe Solana Foundation listed the Alpenglow mainnet activation switch as active on October 21.Transaction finality times are expected to drop from 12.8 seconds to approximately 150 milliseconds.Validator votes will no longer be counted in block transaction totals.SOL traded near $106.85 during the activation, with the next price hurdle sitting between $108 and $109.\\n\\nSolana Foundation Initiates Mainnet Activation for Alpenglow Upgrade\\n\\nThe Solana network officially entered the mainnet activation process for its Alpenglow upgrade on October 21. The Solana Foundation marked a critical milestone by listing the activation switch for this update as active. This technical adjustment introduces a completely new mechanism for the computers running the network to agree that transactions are final.\\n\\nA transition period is now underway across the ecosystem. The system that was in place prior to October 21 will continue to operate for a set duration. Both systems will run simultaneously before the complete handover to the Alpenglow process takes over.\\n\\nNetwork Settlement Speeds Expected to Drop to 150 Milliseconds\\n\\nThe primary goal of the Alpenglow upgrade is to provide users with a significantly shorter wait time before a payment is permanently settled. The development team wants to achieve a finality target of approximately 150 milliseconds. This time frame of 0.15 seconds is designed to replace the 12.8 seconds required by the previous system.\\n\\nFinality represents the exact point when the network considers a transaction completely settled and impossible to reverse. A digital asset appearing in a user wallet does not automatically mean the transaction has reached this state of finality. The new mechanism aims to ensure the computers running the network can agree on finalized transactions at a much faster rate.\\n\\nThe Solana Foundation stated that the 150-millisecond figure is an expectation based entirely on testing environments. Actual network performance for finality speeds will depend directly on live network conditions at any given time.\\n\\nValidator Votes Will No Longer Inflate Total Transaction Metrics\\n\\nA major structural change accompanying the Alpenglow activation involves how the network records validator votes. These automated votes will no longer count as standard transactions recorded within the network blocks. This alters how activity data is generated and reported to the public.\\n\\nThis accounting adjustment means the total number of transactions reported by the network could experience a noticeable drop. A decrease in reported transaction volume will occur even if actual user activity does not fall. Analysts and users will need to evaluate network metrics differently once the new process completely takes over from the old system.\\n\\nSOL Price Action Shows Buying Support Above the $100 Mark\\n\\nAs the network upgrade began its activation phase, the native SOL token traded around the $106.85 price area. This represented a minor increase of 0.39% at the time of the network event. The asset had recently pulled itself up from the $100 to $102 price levels.\\n\\nThis recent recovery followed a larger decline where the token fell from the $124 price level. Market movements showed that buyers were returning at the lower price points. The upward price action indicated returning buyer interest, though prices were still not feeling the full impact of this buying pressure.\\n\\nThe immediate price area the token needs to cross is situated around the $108 to $109 zone. A successful hold above this area would strengthen the recovery case, allowing traders to look toward the $112 price area next. If the current rebound fails to break resistance, the $100 to $102 area remains the recent zone where buyers previously stepped in.\\n\\nOur Assessment\\n\\nThe activation of the Alpenglow upgrade marks a structural shift in how the Solana network processes and finalizes digital transactions. Reducing finality time from 12.8 seconds to just 150 milliseconds drastically alters the speed at which payments become irreversible for network users. The procedural change in how validator votes are recorded will also require a reset in how market participants interpret Solana transaction volume data. The long-term impact of this transition will depend strictly on how the network handles real-time conditions following the complete handover from the legacy system.\\n\\n\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/\",\"url\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/\",\"name\":\"Solana Alpenglow Upgrade: Mainnet Targets 150ms Finality\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.kryptocasinos.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg\",\"datePublished\":\"2026-10-21T21:07:11+02:00\",\"description\":\"The Solana Foundation has initiated the Alpenglow mainnet upgrade, targeting 150-millisecond transaction finality and updating network transaction metrics.\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.kryptocasinos.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg\",\"contentUrl\":\"https:\\\/\\\/www.kryptocasinos.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg\",\"width\":1408,\"height\":736,\"caption\":\"A glowing server tower beside a stack of generic gold coins and a bright stopwatch.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/news\\\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Solana Begins Alpenglow Upgrade for 150ms Transaction Finality\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/\",\"name\":\"Kryptocasinos.com\",\"description\":\"\",\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/#organization\",\"name\":\"Kryptocasinos.com\",\"url\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.kryptocasinos.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/kryptocasinos-com-logo.svg\",\"contentUrl\":\"https:\\\/\\\/www.kryptocasinos.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/kryptocasinos-com-logo.svg\",\"width\":109,\"height\":34,\"caption\":\"Kryptocasinos.com\"},\"image\":{\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/kryptocasinoscomm\\\/\"],\"description\":\"Explore the best crypto casinos for %%currentyear%%. Compare top Bitcoin gambling sites by payouts, bonuses, KYC, and supported coins, with hands-on testing.\",\"address\":{\"@type\":\"PostalAddress\",\"streetAddress\":\"557 Fuk Wing St\",\"addressLocality\":\"Cheung Sha Wan\",\"addressRegion\":\"HK\",\"postalCode\":\"999077\",\"addressCountry\":\"CN\"},\"contactPoint\":{\"@type\":\"ContactPoint\",\"email\":\"contact@kryptocasinos.com\"},\"foundingDate\":\"2021-03-27\",\"email\":\"hello@kryptocasinos.com\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"11\",\"maxValue\":\"50\"},\"publishingPrinciples\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/editorial-guidelines\\\/\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/#\\\/schema\\\/person\\\/badee6a5ed8b6777da5bd380d112bcdc\",\"name\":\"Isabella Brown\",\"description\":\"Online Gambling, Greece and my dog Gringo are my three favorite things in my life. Before working for Kryptocasinos.com I was leading the content team of an iGaming Online magazine where I was focused on researching casinos, their licenses and the connection between the members of the industry.\",\"birthDate\":\"1995-02-13\",\"url\":\"https:\\\/\\\/www.kryptocasinos.com\\\/en\\\/author\\\/isabella\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Solana Alpenglow Upgrade: Mainnet Targets 150ms Finality","description":"The Solana Foundation has initiated the Alpenglow mainnet upgrade, targeting 150-millisecond transaction finality and updating network transaction metrics.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/","og_type":"article","og_title":"Kryptocasinos.com EN","og_description":"The Solana Foundation has initiated the Alpenglow mainnet upgrade, targeting 150-millisecond transaction finality and updating network transaction metrics.","og_url":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/","og_site_name":"Kryptocasinos.com","article_publisher":"https:\/\/www.facebook.com\/kryptocasinoscomm\/","article_published_time":"2026-10-21T19:07:11+00:00","og_image":[{"width":1408,"height":736,"url":"https:\/\/www.kryptocasinos.com\/wp-content\/uploads\/2026\/10\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg","type":"image\/jpeg"}],"author":"Isabella Brown","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Isabella Brown","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"NewsArticle","@id":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/#article","isPartOf":{"@id":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/"},"author":{"name":"Isabella Brown","@id":"https:\/\/www.kryptocasinos.com\/en\/#\/schema\/person\/badee6a5ed8b6777da5bd380d112bcdc"},"headline":"Solana Begins Alpenglow Upgrade for 150ms Transaction Finality","datePublished":"2026-10-21T21:07:11+02:00","mainEntityOfPage":{"@id":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/"},"wordCount":671,"commentCount":0,"publisher":{"@id":"https:\/\/www.kryptocasinos.com\/en\/#organization"},"image":{"@id":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/#primaryimage"},"thumbnailUrl":"https:\/\/www.kryptocasinos.com\/wp-content\/uploads\/2026\/10\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg","inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/#respond"]}],"description":"","isAccessibleForFree":true,"articleBody":"Solana Begins Alpenglow Mainnet Activation - Network Targets 150-Millisecond Transaction Finality\n\nKey Takeaways\n\nThe Solana Foundation listed the Alpenglow mainnet activation switch as active on October 21.Transaction finality times are expected to drop from 12.8 seconds to approximately 150 milliseconds.Validator votes will no longer be counted in block transaction totals.SOL traded near $106.85 during the activation, with the next price hurdle sitting between $108 and $109.\n\nSolana Foundation Initiates Mainnet Activation for Alpenglow Upgrade\n\nThe Solana network officially entered the mainnet activation process for its Alpenglow upgrade on October 21. The Solana Foundation marked a critical milestone by listing the activation switch for this update as active. This technical adjustment introduces a completely new mechanism for the computers running the network to agree that transactions are final.\n\nA transition period is now underway across the ecosystem. The system that was in place prior to October 21 will continue to operate for a set duration. Both systems will run simultaneously before the complete handover to the Alpenglow process takes over.\n\nNetwork Settlement Speeds Expected to Drop to 150 Milliseconds\n\nThe primary goal of the Alpenglow upgrade is to provide users with a significantly shorter wait time before a payment is permanently settled. The development team wants to achieve a finality target of approximately 150 milliseconds. This time frame of 0.15 seconds is designed to replace the 12.8 seconds required by the previous system.\n\nFinality represents the exact point when the network considers a transaction completely settled and impossible to reverse. A digital asset appearing in a user wallet does not automatically mean the transaction has reached this state of finality. The new mechanism aims to ensure the computers running the network can agree on finalized transactions at a much faster rate.\n\nThe Solana Foundation stated that the 150-millisecond figure is an expectation based entirely on testing environments. Actual network performance for finality speeds will depend directly on live network conditions at any given time.\n\nValidator Votes Will No Longer Inflate Total Transaction Metrics\n\nA major structural change accompanying the Alpenglow activation involves how the network records validator votes. These automated votes will no longer count as standard transactions recorded within the network blocks. This alters how activity data is generated and reported to the public.\n\nThis accounting adjustment means the total number of transactions reported by the network could experience a noticeable drop. A decrease in reported transaction volume will occur even if actual user activity does not fall. Analysts and users will need to evaluate network metrics differently once the new process completely takes over from the old system.\n\nSOL Price Action Shows Buying Support Above the $100 Mark\n\nAs the network upgrade began its activation phase, the native SOL token traded around the $106.85 price area. This represented a minor increase of 0.39% at the time of the network event. The asset had recently pulled itself up from the $100 to $102 price levels.\n\nThis recent recovery followed a larger decline where the token fell from the $124 price level. Market movements showed that buyers were returning at the lower price points. The upward price action indicated returning buyer interest, though prices were still not feeling the full impact of this buying pressure.\n\nThe immediate price area the token needs to cross is situated around the $108 to $109 zone. A successful hold above this area would strengthen the recovery case, allowing traders to look toward the $112 price area next. If the current rebound fails to break resistance, the $100 to $102 area remains the recent zone where buyers previously stepped in.\n\nOur Assessment\n\nThe activation of the Alpenglow upgrade marks a structural shift in how the Solana network processes and finalizes digital transactions. Reducing finality time from 12.8 seconds to just 150 milliseconds drastically alters the speed at which payments become irreversible for network users. The procedural change in how validator votes are recorded will also require a reset in how market participants interpret Solana transaction volume data. The long-term impact of this transition will depend strictly on how the network handles real-time conditions following the complete handover from the legacy system.\n\n"},{"@type":"WebPage","@id":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/","url":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/","name":"Solana Alpenglow Upgrade: Mainnet Targets 150ms Finality","isPartOf":{"@id":"https:\/\/www.kryptocasinos.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/#primaryimage"},"image":{"@id":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/#primaryimage"},"thumbnailUrl":"https:\/\/www.kryptocasinos.com\/wp-content\/uploads\/2026\/10\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg","datePublished":"2026-10-21T21:07:11+02:00","description":"The Solana Foundation has initiated the Alpenglow mainnet upgrade, targeting 150-millisecond transaction finality and updating network transaction metrics.","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/#primaryimage","url":"https:\/\/www.kryptocasinos.com\/wp-content\/uploads\/2026\/10\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg","contentUrl":"https:\/\/www.kryptocasinos.com\/wp-content\/uploads\/2026\/10\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality.jpg","width":1408,"height":736,"caption":"A glowing server tower beside a stack of generic gold coins and a bright stopwatch."},{"@type":"BreadcrumbList","@id":"https:\/\/www.kryptocasinos.com\/en\/news\/solana-alpenglow-upgrade-mainnet-activation-150ms-finality\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.kryptocasinos.com\/en\/"},{"@type":"ListItem","position":2,"name":"Solana Begins Alpenglow Upgrade for 150ms Transaction Finality"}]},{"@type":"WebSite","@id":"https:\/\/www.kryptocasinos.com\/en\/#website","url":"https:\/\/www.kryptocasinos.com\/en\/","name":"Kryptocasinos.com","description":"","inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.kryptocasinos.com\/en\/#organization","name":"Kryptocasinos.com","url":"https:\/\/www.kryptocasinos.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.kryptocasinos.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.kryptocasinos.com\/wp-content\/uploads\/2025\/06\/kryptocasinos-com-logo.svg","contentUrl":"https:\/\/www.kryptocasinos.com\/wp-content\/uploads\/2025\/06\/kryptocasinos-com-logo.svg","width":109,"height":34,"caption":"Kryptocasinos.com"},"image":{"@id":"https:\/\/www.kryptocasinos.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/kryptocasinoscomm\/"],"description":"Explore the best crypto casinos for %%currentyear%%. 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