{"id":18391,"date":"2026-03-17T18:38:06","date_gmt":"2026-03-17T18:38:06","guid":{"rendered":"https:\/\/cryptoted.net\/index.php\/2026\/03\/17\/ethereum-muir-glacier-upgrade-announcement\/"},"modified":"2026-03-17T18:38:06","modified_gmt":"2026-03-17T18:38:06","slug":"ethereum-muir-glacier-upgrade-announcement","status":"publish","type":"post","link":"https:\/\/cryptoted.net\/index.php\/2026\/03\/17\/ethereum-muir-glacier-upgrade-announcement\/","title":{"rendered":"Ethereum Muir Glacier Upgrade Announcement"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div id=\"\">\n<p class=\"chakra-text css-gi02ar\">The Ethereum network will be undergoing a scheduled upgrade at <strong>block number 9,200,000<\/strong>, which is predicted to occur on <strong>Wednesday, January 1, 2020<\/strong>. The exact date is subject to change due to variable block times and timezones.<\/p>\n<h3 class=\"chakra-heading group css-xuzltg\" id=\"please-upgrade-your-node-before-wednesday-december-30-2019-to-account-for-the-variable-block-times\" data-group=\"true\"><a class=\"chakra-link css-128fqrf\" aria-label=\"please upgrade your node before wednesday december 30 2019 to account for the variable block times permalink\" href=\"#please-upgrade-your-node-before-wednesday-december-30-2019-to-account-for-the-variable-block-times\"><svg viewbox=\"0 0 24 24\" focusable=\"false\" class=\"chakra-icon css-173jpr1\"><g fill=\"currentColor\"><path d=\"M10.458,18.374,7.721,21.11a2.853,2.853,0,0,1-3.942,0l-.892-.891a2.787,2.787,0,0,1,0-3.941l5.8-5.8a2.789,2.789,0,0,1,3.942,0l.893.892A1,1,0,0,0,14.94,9.952l-.893-.892a4.791,4.791,0,0,0-6.771,0l-5.8,5.8a4.787,4.787,0,0,0,0,6.77l.892.891a4.785,4.785,0,0,0,6.771,0l2.736-2.735a1,1,0,1,0-1.414-1.415Z\"\/><path d=\"M22.526,2.363l-.892-.892a4.8,4.8,0,0,0-6.77,0l-2.905,2.9a1,1,0,0,0,1.414,1.414l2.9-2.9a2.79,2.79,0,0,1,3.941,0l.893.893a2.786,2.786,0,0,1,0,3.942l-5.8,5.8a2.769,2.769,0,0,1-1.971.817h0a2.766,2.766,0,0,1-1.969-.816,1,1,0,1,0-1.415,1.412,4.751,4.751,0,0,0,3.384,1.4h0a4.752,4.752,0,0,0,3.385-1.4l5.8-5.8a4.786,4.786,0,0,0,0-6.771Z\"\/><\/g><\/svg><\/a>Please upgrade your node before Wednesday, December 30, 2019 to account for the variable block times<\/h3>\n<p class=\"chakra-text css-gi02ar\"><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-vezwxf\" href=\"https:\/\/ethernodes.org\">Ethernodes.org<\/a> has kindly provided Istanbul node statistics and a countdown timer located at <a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-vezwxf\" href=\"https:\/\/ethernodes.org\/muir_glacier\">https:\/\/ethernodes.org\/muir_glacier<\/a>. <a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-vezwxf\" href=\"https:\/\/etherscan.io\/\">etherscan.io<\/a> has provided a countdown timer located at <a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-vezwxf\" href=\"https:\/\/etherscan.io\/block\/countdown\/9200000\">https:\/\/etherscan.io\/block\/countdown\/9200000<\/a>. You can monitor the network upgrade in real time at <a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-vezwxf\" href=\"http:\/\/forkmon.ethdevops.io\/\">http:\/\/forkmon.ethdevops.io\/<\/a> (it will be updated shortly before the fork).<\/p>\n<h2 class=\"chakra-heading group css-1kpzc4q\" id=\"what-is-muir-glacier\" data-group=\"true\"><a class=\"chakra-link css-128fqrf\" aria-label=\"what is muir glacier permalink\" href=\"#what-is-muir-glacier\"><svg viewbox=\"0 0 24 24\" focusable=\"false\" class=\"chakra-icon css-173jpr1\"><g fill=\"currentColor\"><path d=\"M10.458,18.374,7.721,21.11a2.853,2.853,0,0,1-3.942,0l-.892-.891a2.787,2.787,0,0,1,0-3.941l5.8-5.8a2.789,2.789,0,0,1,3.942,0l.893.892A1,1,0,0,0,14.94,9.952l-.893-.892a4.791,4.791,0,0,0-6.771,0l-5.8,5.8a4.787,4.787,0,0,0,0,6.77l.892.891a4.785,4.785,0,0,0,6.771,0l2.736-2.735a1,1,0,1,0-1.414-1.415Z\"\/><path d=\"M22.526,2.363l-.892-.892a4.8,4.8,0,0,0-6.77,0l-2.905,2.9a1,1,0,0,0,1.414,1.414l2.9-2.9a2.79,2.79,0,0,1,3.941,0l.893.893a2.786,2.786,0,0,1,0,3.942l-5.8,5.8a2.769,2.769,0,0,1-1.971.817h0a2.766,2.766,0,0,1-1.969-.816,1,1,0,1,0-1.415,1.412,4.751,4.751,0,0,0,3.384,1.4h0a4.752,4.752,0,0,0,3.385-1.4l5.8-5.8a4.786,4.786,0,0,0,0-6.771Z\"\/><\/g><\/svg><\/a>What is Muir Glacier?<\/h2>\n<p class=\"chakra-text css-gi02ar\">Muir Glacier is the name given to this network upgrade. Previous network upgrades have been given other names such as <a class=\"chakra-link css-vezwxf\" href=\"https:\/\/blog.ethereum.org\/2019\/11\/20\/ethereum-istanbul-upgrade-announcement\">Istanbul<\/a>, <a class=\"chakra-link css-vezwxf\" href=\"https:\/\/blog.ethereum.org\/2019\/02\/22\/ethereum-constantinople-st-petersburg-upgrade-announcement\">Costantinople<\/a>, and <a class=\"chakra-link css-vezwxf\" href=\"https:\/\/blog.ethereum.org\/2016\/11\/18\/hard-fork-no-4-spurious-dragon\">Spurious Dragon<\/a>.<\/p>\n<h2 class=\"chakra-heading group css-1kpzc4q\" id=\"as-an-ethereum-user-or-ether-holder-is-there-anything-i-need-to-do\" data-group=\"true\"><a class=\"chakra-link css-128fqrf\" aria-label=\"as an ethereum user or ether holder is there anything i need to do permalink\" href=\"#as-an-ethereum-user-or-ether-holder-is-there-anything-i-need-to-do\"><svg viewbox=\"0 0 24 24\" focusable=\"false\" class=\"chakra-icon css-173jpr1\"><g fill=\"currentColor\"><path d=\"M10.458,18.374,7.721,21.11a2.853,2.853,0,0,1-3.942,0l-.892-.891a2.787,2.787,0,0,1,0-3.941l5.8-5.8a2.789,2.789,0,0,1,3.942,0l.893.892A1,1,0,0,0,14.94,9.952l-.893-.892a4.791,4.791,0,0,0-6.771,0l-5.8,5.8a4.787,4.787,0,0,0,0,6.77l.892.891a4.785,4.785,0,0,0,6.771,0l2.736-2.735a1,1,0,1,0-1.414-1.415Z\"\/><path d=\"M22.526,2.363l-.892-.892a4.8,4.8,0,0,0-6.77,0l-2.905,2.9a1,1,0,0,0,1.414,1.414l2.9-2.9a2.79,2.79,0,0,1,3.941,0l.893.893a2.786,2.786,0,0,1,0,3.942l-5.8,5.8a2.769,2.769,0,0,1-1.971.817h0a2.766,2.766,0,0,1-1.969-.816,1,1,0,1,0-1.415,1.412,4.751,4.751,0,0,0,3.384,1.4h0a4.752,4.752,0,0,0,3.385-1.4l5.8-5.8a4.786,4.786,0,0,0,0-6.771Z\"\/><\/g><\/svg><\/a>As an Ethereum user or ether holder is there anything I need to do?<\/h2>\n<p class=\"chakra-text css-gi02ar\">If you use an exchange (such as Coinbase, Kraken, or Binance), a web wallet service (such as Metamask, MyCrypto, or MyEtherWallet), a mobile wallet service (such as Coinbase Wallet, Status.im, or Trust Wallet), or a hardware wallet (such as Ledger, Trezor, or KeepKey) you do not need to do anything unless you are informed to take additional steps by your exchange or wallet service.<\/p>\n<h2 class=\"chakra-heading group css-1kpzc4q\" id=\"as-a-node-operator-or-miner-what-do-i-need-to-do\" data-group=\"true\"><a class=\"chakra-link css-128fqrf\" aria-label=\"as a node operator or miner what do i need to do permalink\" href=\"#as-a-node-operator-or-miner-what-do-i-need-to-do\"><svg viewbox=\"0 0 24 24\" focusable=\"false\" class=\"chakra-icon css-173jpr1\"><g fill=\"currentColor\"><path d=\"M10.458,18.374,7.721,21.11a2.853,2.853,0,0,1-3.942,0l-.892-.891a2.787,2.787,0,0,1,0-3.941l5.8-5.8a2.789,2.789,0,0,1,3.942,0l.893.892A1,1,0,0,0,14.94,9.952l-.893-.892a4.791,4.791,0,0,0-6.771,0l-5.8,5.8a4.787,4.787,0,0,0,0,6.77l.892.891a4.785,4.785,0,0,0,6.771,0l2.736-2.735a1,1,0,1,0-1.414-1.415Z\"\/><path d=\"M22.526,2.363l-.892-.892a4.8,4.8,0,0,0-6.77,0l-2.905,2.9a1,1,0,0,0,1.414,1.414l2.9-2.9a2.79,2.79,0,0,1,3.941,0l.893.893a2.786,2.786,0,0,1,0,3.942l-5.8,5.8a2.769,2.769,0,0,1-1.971.817h0a2.766,2.766,0,0,1-1.969-.816,1,1,0,1,0-1.415,1.412,4.751,4.751,0,0,0,3.384,1.4h0a4.752,4.752,0,0,0,3.385-1.4l5.8-5.8a4.786,4.786,0,0,0,0-6.771Z\"\/><\/g><\/svg><\/a>As a node operator or miner, what do I need to do?<\/h2>\n<p class=\"chakra-text css-gi02ar\">Download the latest version of your Ethereum client:<\/p>\n<p class=\"chakra-text css-gi02ar\">NOTE: Harmony (ethereumJ) is now a deprecated client and will not be supporting Istanbul. Besu is a mainnet compatible Ethereum client written in Java.<\/p>\n<h2 class=\"chakra-heading group css-1kpzc4q\" id=\"where-can-i-learn-more-about-this-upgrade\" data-group=\"true\"><a class=\"chakra-link css-128fqrf\" aria-label=\"where can i learn more about this upgrade permalink\" href=\"#where-can-i-learn-more-about-this-upgrade\"><svg viewbox=\"0 0 24 24\" focusable=\"false\" class=\"chakra-icon css-173jpr1\"><g fill=\"currentColor\"><path d=\"M10.458,18.374,7.721,21.11a2.853,2.853,0,0,1-3.942,0l-.892-.891a2.787,2.787,0,0,1,0-3.941l5.8-5.8a2.789,2.789,0,0,1,3.942,0l.893.892A1,1,0,0,0,14.94,9.952l-.893-.892a4.791,4.791,0,0,0-6.771,0l-5.8,5.8a4.787,4.787,0,0,0,0,6.77l.892.891a4.785,4.785,0,0,0,6.771,0l2.736-2.735a1,1,0,1,0-1.414-1.415Z\"\/><path d=\"M22.526,2.363l-.892-.892a4.8,4.8,0,0,0-6.77,0l-2.905,2.9a1,1,0,0,0,1.414,1.414l2.9-2.9a2.79,2.79,0,0,1,3.941,0l.893.893a2.786,2.786,0,0,1,0,3.942l-5.8,5.8a2.769,2.769,0,0,1-1.971.817h0a2.766,2.766,0,0,1-1.969-.816,1,1,0,1,0-1.415,1.412,4.751,4.751,0,0,0,3.384,1.4h0a4.752,4.752,0,0,0,3.385-1.4l5.8-5.8a4.786,4.786,0,0,0,0-6.771Z\"\/><\/g><\/svg><\/a>Where can I learn more about this upgrade?<\/h2>\n<p class=\"chakra-text css-gi02ar\">The <a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-vezwxf\" href=\"https:\/\/twitter.com\/EthCatHerders\">Ethereum Cat Herders<\/a> have put together a blog post which outlines why we are upgrading the network and what changes are going into the upgrade. You can find that blog post <a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-vezwxf\" href=\"https:\/\/medium.com\/ethereum-cat-herders\/ethereum-muir-glacier-upgrade-89b8cea5a210\">here<\/a>.<\/p>\n<h2 class=\"chakra-heading group css-1kpzc4q\" id=\"thank-you\" data-group=\"true\"><a class=\"chakra-link css-128fqrf\" aria-label=\"thank you permalink\" href=\"#thank-you\"><svg viewbox=\"0 0 24 24\" focusable=\"false\" class=\"chakra-icon css-173jpr1\"><g fill=\"currentColor\"><path d=\"M10.458,18.374,7.721,21.11a2.853,2.853,0,0,1-3.942,0l-.892-.891a2.787,2.787,0,0,1,0-3.941l5.8-5.8a2.789,2.789,0,0,1,3.942,0l.893.892A1,1,0,0,0,14.94,9.952l-.893-.892a4.791,4.791,0,0,0-6.771,0l-5.8,5.8a4.787,4.787,0,0,0,0,6.77l.892.891a4.785,4.785,0,0,0,6.771,0l2.736-2.735a1,1,0,1,0-1.414-1.415Z\"\/><path d=\"M22.526,2.363l-.892-.892a4.8,4.8,0,0,0-6.77,0l-2.905,2.9a1,1,0,0,0,1.414,1.414l2.9-2.9a2.79,2.79,0,0,1,3.941,0l.893.893a2.786,2.786,0,0,1,0,3.942l-5.8,5.8a2.769,2.769,0,0,1-1.971.817h0a2.766,2.766,0,0,1-1.969-.816,1,1,0,1,0-1.415,1.412,4.751,4.751,0,0,0,3.384,1.4h0a4.752,4.752,0,0,0,3.385-1.4l5.8-5.8a4.786,4.786,0,0,0,0-6.771Z\"\/><\/g><\/svg><\/a>Thank You!<\/h2>\n<p class=\"chakra-text css-gi02ar\"><strong>A big thanks to the Ethereum community and to all Ethereum developers across all clients and platforms who came together to provide input, thoughts, and contribution.<\/strong><\/p>\n<p class=\"chakra-text css-gi02ar\"><strong>DISCLAIMER<\/strong>: This is an emergent and evolving highly technical space. If you choose to implement the recommendations in this post and continue to participate, you should make sure you understand how it impacts you. You should understand that there are risks involved including but not limited to risks like unexpected bugs. By choosing to implement these recommendations, you alone assume the risks of the consequences. This post and recommendations are not a sale of any kind and do not create any warranties of any kind including but not limited to any relating to the Ethereum network or the Ethereum clients referred to herein.<\/p>\n<\/div>\n<p><script async src=\"\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><br \/>\n<br \/><br \/>\n<br \/><a href=\"https:\/\/blog.ethereum.org\/en\/2019\/12\/23\/ethereum-muir-glacier-upgrade-announcement\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Ethereum network will be undergoing a scheduled upgrade at block number 9,200,000, which is predicted to occur on Wednesday, January 1, 2020. The exact date is subject to change due to variable block times and timezones. Please upgrade your node before Wednesday, December 30, 2019 to account for the variable block times Ethernodes.org has [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[24],"tags":[],"kronos_expire_date":[],"class_list":["post-18391","post","type-post","status-publish","format-standard","hentry","category-ethereum"],"_links":{"self":[{"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/posts\/18391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/comments?post=18391"}],"version-history":[{"count":0,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/posts\/18391\/revisions"}],"wp:attachment":[{"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/media?parent=18391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/categories?post=18391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/tags?post=18391"},{"taxonomy":"kronos_expire_date","embeddable":true,"href":"https:\/\/cryptoted.net\/index.php\/wp-json\/wp\/v2\/kronos_expire_date?post=18391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}