Cardano Moves Forward: 'van Rossem' Hard Fork Submitted on Mainnet, Protocol V11 Nears Activation
Cardano has taken a key step toward its next network upgrade: the van Rossem hard fork initiation governance action was formally submitted on mainnet, moving Protocol Version 11 closer to activation. What the proposal is - The submission, recorded June 16 (Epoch 637) and visible on gov.tools, is an intra-era hard fork that targets Protocol Version 11 — nicknamed “van Rossem.” Unlike an era change, an intra-era hard fork can introduce new features and fixes with less disruption to wallets, exchanges, stake pool operators, and dApps. - Protocol Version 11 is designed to add functionality now while laying groundwork for Cardano’s next major era, Dijkstra, which in turn is expected to prepare the network for Leios, a scaling design aimed at higher throughput. Testing and prior updates - The upgrade follows weeks of testing and infrastructure prep across Cardano’s Preview and Preprod networks. Preview moved to Protocol Version 11 in May, and Preprod followed its own governance steps afterward. - A related Plutus Cost Model parameter update (submitted May 26) was ratified and scheduled to take effect June 18 at 21:45 UTC, part of the same readiness workstream aimed at improving Plutus performance, ledger consistency, and node-level security. - Cardano’s Lace wallet also received updates ahead of the van Rossem fork to help ensure ecosystem components are prepared. Naming and community context - The hard fork is named for Max van Rossem, a community developer, stake pool operator, DRep, Constitutional Convention delegate and builder who died in October 2025. Intersect and the proposal metadata include a dedication to him; an earlier naming governance action won 83.62% DRep support with roughly 4.44 billion ADA backing. - The name embeds a community tribute into Cardano’s on-chain governance history, tying a technical upgrade to the ecosystem’s social fabric. Next steps and timing - The submitted governance action now awaits ratification. Potential ratification windows cited include June 23, June 28, July 3, July 8, July 13 and July 18. If ratified quickly, enactment could occur as early as June 28; other possible enactment slots extend into late July. - The governance action expires on July 18, so DReps, stake pool operators and the Constitutional Committee have a limited window to complete approvals. Why it matters - The van Rossem upgrade is both an incremental technical improvement and a preparatory step for larger roadmap milestones (Dijkstra and Leios). Successful passage will test Cardano’s on-chain governance machinery at a time when the community has faced disputes over research funding and treasury spending, making this process a high-profile test of governance resilience. Sources: Intersect announcements and gov.tools proposal records. Read more AI-generated news on: undefined/news
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