{"id":631989,"date":"2026-07-20T04:52:40","date_gmt":"2026-07-20T04:52:40","guid":{"rendered":"https:\/\/e-bitco.in\/index.php\/2026\/07\/20\/cardano-activates-van-rossem-hard-fork-paving-way-for-leios\/"},"modified":"2026-07-20T04:52:40","modified_gmt":"2026-07-20T04:52:40","slug":"cardano-activates-van-rossem-hard-fork-paving-way-for-leios","status":"publish","type":"post","link":"https:\/\/e-bitco.in\/index.php\/2026\/07\/20\/cardano-activates-van-rossem-hard-fork-paving-way-for-leios\/","title":{"rendered":"Cardano activates van Rossem hard fork, paving way for Leios"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/s3-images.ctmedia.io\/media\/article-covers\/cardano.jpg\" alt=\"Cardano activates van Rossem hard fork, paving way for Leios\" class=\"type:primaryImage\" \/><\/p>\n<p>The upgrade reduces smart contract execution costs while laying the groundwork for Ouroboros Leios, a major scalability upgrade expected later this year.<\/p>\n<p>Cardano has activated its van Rossem hard fork as of Saturday, upgrading the Cardano mainnet to version 11, which is expected to lower smart contract execution costs and lay the groundwork for Ouroboros Leios, a major scalability upgrade for the protocol.\u00a0<\/p>\n<p>Onchain data from Cardanoscan <a href=\"https:\/\/cardanoscan.io\/govAction\/gov_action1lh2x3kjucjkggvwu6l3txggkvmrnhs3flpv8j35lvlcan4gax3xsq3cxfjc\" rel=\"noopener noreferrer\" target=\"_blank\">shows<\/a> the network moved from Protocol Version 10 in epoch 643 to Version 11 in epoch 644. <\/p>\n<p>\u201cAs well as Plutus improvements and Plutus Cost Model enhancements, this upgrade lays the foundation for the next upgrade, the Dijkstra era hard fork, which will introduce Ouroboros Leios to Cardano,\u201d Input Output <a href=\"https:\/\/www.essentialcardano.io\/development-update\/weekly-development-report-as-of-2026-07-17\"><span>wrote<\/span><\/a> in a weekly development report on Friday.<\/p>\n<p><a href=\"https:\/\/cointelegraph.com\/news\/cardano-activates-van-rossem-hard-fork-paving-way-for-leios\">Read more<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The upgrade reduces smart contract execution costs while laying the groundwork for Ouroboros Leios, a major scalability upgrade expected later this year. Cardano has activated its van Rossem hard fork as of Saturday, upgrading the Cardano mainnet to version 11, which is expected to lower smart contract execution costs and lay the groundwork for Ouroboros [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":631990,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":{"0":"post-631989","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-blockchain"},"_links":{"self":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/631989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/comments?post=631989"}],"version-history":[{"count":0,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/631989\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media\/631990"}],"wp:attachment":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media?parent=631989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/categories?post=631989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/tags?post=631989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}