Apr 25, 2024 | Voltaire era: Parameter committee intermediate state

The Parameter Committee (interim state) meets on a tri-weekly basis. It discusses all parameters relating to the Cardano protocol including network, technical, economic and governance parameters, providing technical advice and recommendations on updatable parameter settings.

Updated list of the Members (interim state):

Chairs: Chair: Kevin Hammond Vice- chair: Alex Moser Vice- chair: Vijay Bhuvangiri

Advisory Group Heads: Network group: Neil Davies Technical group: Markus Gufler Economic group: Samuel Leathers Governance group: Adam Rusch

Advisory Group Members: Network group: Karl Knutson, Matthias Sieber, Marcin Szamotulski Technical group: Ruslan Dudin, Michael Peyton Jones, Ashish Prajapati Economic group: Sergio Sanchez, Philip Lazos, Giovanni Gargiulo, Sheng-Nan Li Governance group: Oscar West, Riley Kilgore, Nicolas Cerny, Jonathan Kelly

Other: Communications: Tommy Kammerer, Matthew Capps Domain experts: Martin Lang, Andrew Westberg Observers: Secretary:


The purpose of the Parameter Committee is to provide technical advice and recommendations relating to the updatable protocol parameters, taking into account economic, security, network and other technical considerations, as appropriate to protect the long term sustainability of the Cardano blockchain.

Agenda and Updates:


  • Observer policy

  • New advisory group member

  • PCP-002 recommendation

  • Discussion of initial governance parameter settings

  • Any Other Business


  • The Committee briefly discussed the observer policy. Observers will be invited to specific meetings on a case-by-case basis

  • The Governance parameter advisory group welcomed Jonathan Kelly as a new member.

  • The wording of the PCP-002 recommendation has been clarified in response to community feedback

  • The Committee reviewed the proposed initial settings for the Governance parameters.

    • pvt_motion_no_confidence - recommended 51%

    • pvt_committee_normal - recommended 51%

    • pvt_hard_fork_initiation - recommended 51%, with new guardrail proposed that at least 85% of pools should upgrade before the hard fork

    • dvt_update_constitution - confirmed at 75%

  • The Committee will review the initial settings of the remaining Governance parameters at its next meeting.