Cardano completes first fully on-chain governance hard fork in network history
2026-07-19 22:45
Odaily Planet Daily News: 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 reported downtime. This upgrade is a change within the Conway ledger era, aimed at reducing Plutus smart contract execution costs, enhancing ledger security, and introducing new cryptographic tools.
Van Rossem includes 5 Cardano Improvement Proposals (CIPs), 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 (VRF) key across the entire network; each pool must hold a unique key bound to its identity.
This upgrade was completed through Cardano's on-chain governance process, with all stages from proposal to activation driven by on-chain voting. Delegated Representatives (dReps) passed the proposal with a 77.63% approval rate, stake pool operators (SPOs) supported it at 52.7%, and the Constitutional Committee voted 6-0-0-1.
The combined balance of wallets holding between 100,000 and 100 million ADA has risen to its highest level since 2023, now 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.
Van Rossem includes 5 Cardano Improvement Proposals (CIPs), 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 (VRF) key across the entire network; each pool must hold a unique key bound to its identity.
This upgrade was completed through Cardano's on-chain governance process, with all stages from proposal to activation driven by on-chain voting. Delegated Representatives (dReps) passed the proposal with a 77.63% approval rate, stake pool operators (SPOs) supported it at 52.7%, and the Constitutional Committee voted 6-0-0-1.
The combined balance of wallets holding between 100,000 and 100 million ADA has risen to its highest level since 2023, now 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.
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