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Cardano Enters Community Governance Era: Van Rossem Hard Fork Decided by Token Holder Vote
Odaily Odaily News The Cardano network completed the Van Rossem hard fork upgrade on July 18, upgrading the mainnet protocol version to 11 (Protocol Version 11). This upgrade not only brings smart contract performance optimizations but also marks the first time Cardano has completed a protocol upgrade led by its community governance system, rather than being directly driven by the founding team.Previously, Cardano hard forks were mainly coordinated by core organizations such as the engineering firm Input Output (IOG), which is responsible for development. In contrast, the Van Rossem upgrade was fully facilitated through Cardano's on-chain governance system for proposal, discussion, and voting, becoming the first major upgrade autonomously approved by network participants since Cardano entered the Voltaire governance era.According to on-chain data, the Cardano mainnet upgraded from version 10 in epoch 643 to version 11 in epoch 644, officially activating on July 18 at 21:44 UTC. The upgrade received final approval on July 13, requiring consensus from the representative bodies, the Constitutional Committee, and stake pool operators.Among them, DReps (Delegated Representatives), who vote on behalf of ADA holders in governance, approved the proposal with a 78.97% support rate, exceeding the 60% requirement; all seven members of the Cardano Constitutional Committee confirmed the upgrade complies with constitutional requirements; and stake pool operators, responsible for running the network's infrastructure, approved the upgrade with a 53.02% support rate.The Van Rossem upgrade primarily includes technical improvements such as optimizing the Plutus smart contract platform, reducing smart contract execution costs, and enhancing ledger validation rules. This upgrade also paves the way for the future Dijkstra-era hard fork and the Ouroboros Leios scaling solution.Ouroboros Leios aims to enhance the processing capacity of Cardano’s proof-of-stake consensus mechanism. It is expected to launch in 2026, potentially significantly increasing the network's transaction throughput while maintaining security.For ordinary ADA users, this upgrade does not bring significant operational changes; wallets do not need updating, and transfer methods and fees remain the same. However, in the long run, Plutus optimizations could lower the operational costs of decentralized applications (DeFi, NFTs, etc.), providing lower-cost infrastructure for ecosystem development.Cardano stated that the greatest significance of Van Rossem is not merely the technical upgrade, but the shift in governance model—the future direction of the network will be determined by community votes, rather than being entirely controlled by the founding team. This means ADA holders now truly possess governance rights to participate in protocol evolution for the first time. (CoinDesk)
Cardano completes first fully on-chain governance hard fork in network history
Cardano activated the Van Rossem hard fork at 21:44:51 UTC on July 18, 2026, upgrading the network to protocol version 11 with no downtime reported. This upgrade is a change within the Conway ledger era, aimed at reducing the operational cost of Plutus smart contracts, enhancing ledger security, and adding new cryptographic tools. Van Rossem includes 5 Cardano Improvement Proposals, covering BLS12-381 multi-scalar multiplication, on-chain array types, multi-asset value processing optimization, list operation acceleration, and built-in modular exponentiation. Staking pools are now prohibited from reusing the same Verifiable Random Function key across the entire network, and each pool must hold a unique key tied to its identity. This upgrade was completed through Cardano's on-chain governance process, from proposal to activation via on-chain voting. Delegated representatives passed the proposal with a 77.63% approval rate, staking pool operators had a 52.7% approval rate, and the Constitutional Committee voted 6-0-0-1. The total balance of wallets holding between 100,000 and 100 million ADA has risen to its highest level since 2023, currently controlling over a quarter of ADA's circulating supply. Cardano will next advance Ouroboros Leios and plans to achieve a target of over 1,000 transactions per second during testing in 2026.
Cardano will transfer control of its core software to external teams starting in August
: Cardano development company Input Output will transfer control of key blockchain components such as the Haskell node, Plutus platform, and Daedalus wallet to external professional teams starting in August, as part of a multi-year decentralization advancement plan. Independent companies such as Se7en Labs and Teragone will be responsible for certain core infrastructures. At least three versions of Cardano will be maintained in Haskell, Rust, and Go languages, under community supervision and formal specification management. Cardano currently faces relatively weak network activity and a significant decline in the price of its ADA token. Founder Charles Hoskinson characterizes this restructuring and related ecosystem setbacks as necessary "growing pains" in the process of moving towards full decentralization.
Related news
Cardano Enters Community Governance Era: Van Rossem Hard Fork Decided by Token Holder Vote
Odaily Odaily News The Cardano network completed the Van Rossem hard fork upgrade on July 18, upgrading the mainnet protocol version to 11 (Protocol Version 11). This upgrade not only brings smart contract performance optimizations but also marks the first time Cardano has completed a protocol upgrade led by its community governance system, rather than being directly driven by the founding team.Previously, Cardano hard forks were mainly coordinated by core organizations such as the engineering firm Input Output (IOG), which is responsible for development. In contrast, the Van Rossem upgrade was fully facilitated through Cardano's on-chain governance system for proposal, discussion, and voting, becoming the first major upgrade autonomously approved by network participants since Cardano entered the Voltaire governance era.According to on-chain data, the Cardano mainnet upgraded from version 10 in epoch 643 to version 11 in epoch 644, officially activating on July 18 at 21:44 UTC. The upgrade received final approval on July 13, requiring consensus from the representative bodies, the Constitutional Committee, and stake pool operators.Among them, DReps (Delegated Representatives), who vote on behalf of ADA holders in governance, approved the proposal with a 78.97% support rate, exceeding the 60% requirement; all seven members of the Cardano Constitutional Committee confirmed the upgrade complies with constitutional requirements; and stake pool operators, responsible for running the network's infrastructure, approved the upgrade with a 53.02% support rate.The Van Rossem upgrade primarily includes technical improvements such as optimizing the Plutus smart contract platform, reducing smart contract execution costs, and enhancing ledger validation rules. This upgrade also paves the way for the future Dijkstra-era hard fork and the Ouroboros Leios scaling solution.Ouroboros Leios aims to enhance the processing capacity of Cardano’s proof-of-stake consensus mechanism. It is expected to launch in 2026, potentially significantly increasing the network's transaction throughput while maintaining security.For ordinary ADA users, this upgrade does not bring significant operational changes; wallets do not need updating, and transfer methods and fees remain the same. However, in the long run, Plutus optimizations could lower the operational costs of decentralized applications (DeFi, NFTs, etc.), providing lower-cost infrastructure for ecosystem development.Cardano stated that the greatest significance of Van Rossem is not merely the technical upgrade, but the shift in governance model—the future direction of the network will be determined by community votes, rather than being entirely controlled by the founding team. This means ADA holders now truly possess governance rights to participate in protocol evolution for the first time. (CoinDesk)
Cardano completes first fully on-chain governance hard fork in network history
Cardano activated the Van Rossem hard fork at 21:44:51 UTC on July 18, 2026, upgrading the network to protocol version 11 with no downtime reported. This upgrade is a change within the Conway ledger era, aimed at reducing the operational cost of Plutus smart contracts, enhancing ledger security, and adding new cryptographic tools. Van Rossem includes 5 Cardano Improvement Proposals, covering BLS12-381 multi-scalar multiplication, on-chain array types, multi-asset value processing optimization, list operation acceleration, and built-in modular exponentiation. Staking pools are now prohibited from reusing the same Verifiable Random Function key across the entire network, and each pool must hold a unique key tied to its identity. This upgrade was completed through Cardano's on-chain governance process, from proposal to activation via on-chain voting. Delegated representatives passed the proposal with a 77.63% approval rate, staking pool operators had a 52.7% approval rate, and the Constitutional Committee voted 6-0-0-1. The total balance of wallets holding between 100,000 and 100 million ADA has risen to its highest level since 2023, currently controlling over a quarter of ADA's circulating supply. Cardano will next advance Ouroboros Leios and plans to achieve a target of over 1,000 transactions per second during testing in 2026.
Cardano will transfer control of its core software to external teams starting in August
: Cardano development company Input Output will transfer control of key blockchain components such as the Haskell node, Plutus platform, and Daedalus wallet to external professional teams starting in August, as part of a multi-year decentralization advancement plan. Independent companies such as Se7en Labs and Teragone will be responsible for certain core infrastructures. At least three versions of Cardano will be maintained in Haskell, Rust, and Go languages, under community supervision and formal specification management. Cardano currently faces relatively weak network activity and a significant decline in the price of its ADA token. Founder Charles Hoskinson characterizes this restructuring and related ecosystem setbacks as necessary "growing pains" in the process of moving towards full decentralization.