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Cardano activates van Rossem hard fork, upgrading to Protocol Version 11 with Plutus improvements and governance milestone.

Protocol Fundamentals
20 Jul 2026
Crypto news
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Bullish
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Cardano has successfully activated the van Rossem hard fork, moving its mainnet to Protocol Version 11 after approval through its onchain governance system. This upgrade improves smart contract efficiency by reducing Plutus costs and prepares the network for future scalability upgrades like Ouroboros Leios. Van Rossem is notable as Cardano's first hard fork ratified via community governance, marking a shift towards decentralized decision-making. Development continues on the next upgrades, with Ouroboros Leios expected to enhance transaction throughput, potentially launching in 2026.

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