{"id":5089,"date":"2025-12-01T14:21:10","date_gmt":"2025-12-01T14:21:10","guid":{"rendered":"https:\/\/2miners.com\/blog\/?p=5089"},"modified":"2025-12-01T14:21:10","modified_gmt":"2025-12-01T14:21:10","slug":"november-2025-work-progress-zec-upgrade","status":"publish","type":"post","link":"https:\/\/2miners.com\/blog\/november-2025-work-progress-zec-upgrade\/","title":{"rendered":"November 2025 Work Progress: ZEC Upgrade"},"content":{"rendered":"<p>November 2025 brought several important updates for miners on the 2Miners pool. From a major Zcash network upgrade to new CKB client improvements and a scheduled Kaspa reward reduction \u2014 here is everything that happened this month.<\/p>\n<p><!--more--><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2miners.com\/blog\/wp-content\/uploads\/2019\/12\/Frame.png\" alt=\"November Work Progress Report\" width=\"700\" height=\"400\" class=\"alignnone size-full wp-image-1962\" data-wp-pid=\"1962\" srcset=\"https:\/\/2miners.com\/blog\/wp-content\/uploads\/2019\/12\/Frame.png 700w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2019\/12\/Frame-300x171.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<h2>Zcash Network Upgrade NU6.1 Activated<\/h2>\n<p>The Zcash network successfully activated <strong>NU6.1<\/strong> in November 2025, following the release of <strong>zcashd v6.10.0<\/strong>. This upgrade was endorsed by both the Electric Coin Company and the Zcash Foundation and introduced a new long-term funding model that separates the roles of the Community and ZEC coinholders.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2miners.com\/blog\/wp-content\/uploads\/2022\/05\/happy_miner.jpg\" alt=\"happy_miner\" width=\"1422\" height=\"800\" class=\"alignnone size-full wp-image-3963\" data-wp-pid=\"3963\" srcset=\"https:\/\/2miners.com\/blog\/wp-content\/uploads\/2022\/05\/happy_miner.jpg 1422w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2022\/05\/happy_miner-300x169.jpg 300w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2022\/05\/happy_miner-1024x576.jpg 1024w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2022\/05\/happy_miner-768x432.jpg 768w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2022\/05\/happy_miner-1200x675-cropped.jpg 1200w\" sizes=\"auto, (max-width: 1422px) 100vw, 1422px\" \/><\/p>\n<p>The new funding structure allocates:<\/p>\n<ul>\n<li><strong>8% of all block rewards<\/strong> to Zcash Community Grants (ZCG), supporting community-driven initiatives.<\/li>\n<li><strong>12% of block rewards<\/strong> to a new <strong>Coinholder-Controlled Fund<\/strong>. This fund is governed directly by ZEC coinholders and may be used to distribute grants to ecosystem contributors or remain untouched for future decisions.<\/li>\n<\/ul>\n<p>This model will remain active until the 3rd Zcash halving, allowing the community to evaluate whether it should be extended or revised.<\/p>\n<p>NU6.1 also included several protocol updates and ZIP changes:<\/p>\n<h3>New ZIPs<\/h3>\n<ul>\n<li><strong>ZIP 255<\/strong>: Deployment of the NU6.1 Network Upgrade<\/li>\n<li><strong>ZIP 271<\/strong>: Dev Fund Extension and One-Time Disbursement<\/li>\n<li><strong>ZIP 1016<\/strong>: Community and Coinholder Funding Model<\/li>\n<\/ul>\n<h3>Updated ZIPs<\/h3>\n<ul>\n<li><strong>ZIP 214<\/strong>: Consensus rules for a Zcash Development Fund<\/li>\n<\/ul>\n<p>Alongside funding changes, NU6.1 also improved RPC balance reporting for shielded transactions and introduced transaction version v5 as the new default format.<\/p>\n<h2>CKB Client Update: Version 0.203.0 Released<\/h2>\n<p>The Nervos CKB team released <strong>CKB 0.203.0<\/strong> (commit 88d1126, dated 2025-10-22), bringing a series of new features, bug fixes, and performance improvements. This update enhanced network stability and optimized several internal components used by full nodes and light clients.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2miners.com\/blog\/wp-content\/uploads\/2020\/01\/nervos-mining.jpg\" alt=\"nervos-mining\" width=\"1200\" height=\"675\" class=\"alignnone size-full wp-image-2003\" data-wp-pid=\"2003\" srcset=\"https:\/\/2miners.com\/blog\/wp-content\/uploads\/2020\/01\/nervos-mining.jpg 1200w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2020\/01\/nervos-mining-300x169.jpg 300w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2020\/01\/nervos-mining-768x432.jpg 768w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2020\/01\/nervos-mining-1024x576.jpg 1024w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2020\/01\/nervos-mining-800x450.jpg 800w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h3>Key Features<\/h3>\n<ul>\n<li><strong>#4891<\/strong>: Added hole punching protocol metrics<\/li>\n<li><strong>#4888<\/strong>: Introduced two outbound block-relay-only connections for improved network propagation<\/li>\n<li><strong>#4910<\/strong>: Implemented from\/into conversions for gen-type<\/li>\n<li><strong>#4920<\/strong>: Enhanced scriptHashType serialization logic<\/li>\n<\/ul>\n<h3>Bug Fixes<\/h3>\n<ul>\n<li><strong>#4895<\/strong>: Corrected error handling in add_node and remove_node calls within NetRpcImpl<\/li>\n<\/ul>\n<h3>Improvements<\/h3>\n<ul>\n<li><strong>#4970<\/strong>: Disabled default features for strum dependency<\/li>\n<li><strong>#4946<\/strong>: Improved rich-indexer stability by ensuring RocksDB SecondaryDB stays synchronized before read operations<\/li>\n<li><strong>#4972<\/strong>: Limited the size of the filters field in BlockFilters messages to 1.8 MB to prevent node disconnects caused by oversized frames<\/li>\n<\/ul>\n<p>These changes improve overall network reliability and reduce the likelihood of full nodes disconnecting light clients due to oversized filter messages.<\/p>\n<h2>Kaspa (KAS) Block Reward Reduction<\/h2>\n<p>As defined by the <a href=\"https:\/\/kaspa.org\/tokenomics\/\" target=\"_blank\">Kaspa Tokenomics<\/a>, the <a href=\"https:\/\/kaspa.org\/kaspa-updates-to-crescendo-and-10bps\/\" target=\"_blank\">Crescendo Hard Fork<\/a>, and the official <a href=\"https:\/\/kaspa.org\/wp-content\/uploads\/2022\/09\/KASPA-EMISSION-SCHEDULE.pdf\" target=\"_blank\">Emission Schedule<\/a>, Kaspa underwent another scheduled block reward reduction in November.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2miners.com\/blog\/wp-content\/uploads\/2024\/05\/miner.jpg\" alt=\"\" width=\"1280\" height=\"720\" class=\"alignnone size-full wp-image-4858\" data-wp-pid=\"4858\" srcset=\"https:\/\/2miners.com\/blog\/wp-content\/uploads\/2024\/05\/miner.jpg 1280w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2024\/05\/miner-300x169.jpg 300w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2024\/05\/miner-1024x576.jpg 1024w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2024\/05\/miner-768x432.jpg 768w, https:\/\/2miners.com\/blog\/wp-content\/uploads\/2024\/05\/miner-1200x675-cropped.jpg 1200w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<ul>\n<li><strong>Previous Reward:<\/strong> 4.12 KAS<\/li>\n<li><strong>New Reward:<\/strong> 3.89 KAS<\/li>\n<\/ul>\n<p><strong>Please pay attention!<\/strong> Mining profitability for Kaspa has changed. We have already updated <a href=\"https:\/\/2cryptocalc.com\/\" target=\"_blank\">2CryptoCalc<\/a> to reflect the new reward values.<\/p>\n<h2>Stay Updated<\/h2>\n<p>That concludes the November 2025 updates. Follow us on <a href=\"https:\/\/x.com\/pool2miners\" target=\"_blank\">X (Twitter)<\/a> and join the discussion on <a href=\"https:\/\/t.me\/chat2miners\" target=\"_blank\">Telegram<\/a> to stay informed about new developments, miner alerts, and network upgrades.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>November 2025 brought several important updates for miners on the 2Miners pool. From a major Zcash network upgrade to new CKB client improvements and a scheduled Kaspa reward reduction \u2014 here is everything that happened this month.<\/p>\n","protected":false},"author":4,"featured_media":1962,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5089","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>November 2025 Work Progress: ZEC Upgrade - Crypto Mining Blog<\/title>\n<meta name=\"description\" content=\"November 2025 brought several important updates for miners on the 2Miners pool. 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