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More than 40 Parameters shape how Cardano grows. Now you can explore them all

Latest changes shaping the network

Recent Parameters

Treasury Growth Rate (τ)

Treasury Growth Rate (τ)

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Min Pool Cost

Min Pool Cost

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Gov Action Lifetime

Gov Action Lifetime

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Gov Action Deposit

Gov Action Deposit

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Max Lovelace Supply

Max Lovelace Supply

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Optimal Pool Count

Optimal Pool Count

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min_utxo_value

min_utxo_value

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max_block_ex_mem

max_block_ex_mem

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drep_activity

drep_activity

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max_block_ex_steps

max_block_ex_steps

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Ukubwa wa Bloki (Max Block Size)

Ukubwa wa Bloki (Max Block Size)

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Why Parameters Matter

Each Parameter is a lever of power shaping decisions, direction and decentralization on Cardano. Learn more about these invisible rules by exploring these additional resources.

Blockchain
Category
Mutability
Status
meridion-circulare-lido-nation-cardano-tau-treasury-growth-rate-nft-scummie

Treasury Growth Rate (τ)

Just like anyone can use the internet to put up a website, anyone can launch a blockchain network using some new or repurposed version of blockchain technology and software. But will it last? Will there be funding to feed it beyond the exciting launch phase? Will its decentralized participants be able to cooperate on decision-making? **These questions about sustainability and governance are at the core of the parameter we will be talking about today: the Treasury Growth Rate often denoted...

Governance
30 Dec 2024
phacus-Longicauda-in-the-lab-lido-minute-cardano-parameter-hero-image

Min Pool Cost

Cardano has over 30 parameters. Each parameter plays a role in shaping the network’s functionality, governance, economics, and performance. The **min_pool_cost** parameter was a point of consternation for many within the Cardano community for a long time. Here is what the parameter does, and why you might care. ## What is it The **min_pool_cost** sets a **minimum fixed fee** that every stake pool operator (SPO) must charge to run a pool. ## Why a Minimum Cost? Running a stake pool...

Governance
13 Jan 2025
testudinella-in-the-lab

Max Epoch

Cardano has around 30 network parameters. Parameters are the mechanisms that control how the Cardano Blockchain works. Today we are talking about a parameter that every Ada holder should be aware of: ‘pool_retire_max_epoch’ or 'e_max.' Cardano stake pools are computer servers operated by individuals and entities around the world as part of a global connected permissionless network. This decentralized network processes transactions for Cardano, forming the Cardano blockchain. It is permissionless because anyone can set up a server and join...

Governance
25 Feb 2025
pinnularia-behind-the-scenes-lido-minute-cardano-governance-parameter-hero

Gov Action Lifetime

## 2025: The Completion of Cardano’s Original Roadmap This year marks the completion of Cardano’s original development roadmap. Since the beginning, Cardano’s progress has been guided by its three founding entities. These entities defined the roadmap and set the network’s parameters based on rigorous research. Parameters are the settings that define how the blockchain operates. Over the years, some parameters have been adjusted. In some cases, the changes were part of the original plan—like the gradual phasing out of the...

Governance
27 Jan 2025
thalloid-liverwort-cyber-punk-lido-minute-cardano-governance-parameter-hero

Gov Action Deposit

In September 2024 Cardano bootstrapped its efforts to transition to on-chain governance with the Chang hardfork major software update. Since September there’s been a number of additional big milestones including: * 50 global workshops to co-create a constitution * A constitution convention in Argentina and Kenya * A second hardfork to enable Cardano holders to propose 7 different types of governance changes, including proposing withdrawals from the treasury. * Intersect and Pragma, which are two Cardano Members-Based Organizations, create two...

Governance
10 Feb 2025
fragilaria-bubbles-lido-minute-cardano-governance-parameter-hero

Max Lovelace Supply

Cardano has over 40 parameters. Each parameter plays a role in shaping the network’s functionality, security, economics, and performance. The **max_lovelace_supply** parameter is one of a few parameters that are written in stone: designed to be non-updatable. Here is what **max_lovelace_supply** does, and why you might care. ### What is it The most critical parameter governing most digital assets on a blockchain system is its maximum supply—the hard limit on how many units of the currency can ever exist. Cardano...

Governance
04 Mar 2025
cystodinium-portrait-lido-minute-cardano-governance-parameter-hero

Optimal Pool Count

Of all the parameters guiding Cardano, few spark as much debate as **optimal_pool_count** — better known as k. Cardano has over 40 parameters shaping its security, performance, and governance. So why does k get so much attention? ### What is optimal_pool_count (k)? The **optimal_pool_count (k)** is a protocol parameter that defines the ideal minimum number of stake pools to efficiently run the Cardano network. It enforces this ideal minimum by influencing how delegation incentives are structured. In a proof-of-work (PoW)...

Governance
11 Mar 2025
cardano-min-utxo-value-network-parameterelysia-chlorotica-slug-tide-pool

min_utxo_value

Cardano has over 40 network parameters. Parameters are the mechanisms that control how the Cardano Blockchain works. Today we will be digging into a parameter that comes into play every time you interact with your Cardano blockchain account: **min_utxo_value**. Have you ever noticed that your wallet has more ada than you are able to send? Or perhaps that when you’re filling in the ada amount to send, the wallet field is red until you enter a high enough amount? This...

Governance
07 Apr 2025
Hyalotheca-puddles

max_block_ex_mem

Cardano has over 40 network parameters. Parameters are the mechanisms that control how the Cardano Blockchain works. In this installment of our Cardano Network Parameters series, we examine max block execution memory (max_block_ex_mem). This parameter sets a limit on how much memory can be used for all scripts within a single block. It helps balance everyday transaction efficiency with the needs of more intense – and perhaps less frequent – tasks. The current value of the max_block_ex_mem is set to...

Governance
21 Apr 2025
eudorina-in-the-lab

drep_activity

Cardano has over 40 network parameters–the mechanisms that control how the Cardano Blockchain works. We’ve been exploring each parameter in this series. Our parameter today is the drep_activity governance parameter. In Cardano's recently launched on-chain governance framework, Decentralized Representatives (DReps) are the blockchain's elected opinion-holders. Their job? Vote on governance proposals, signal community priorities, and steer Cardano's decentralized agendas. ## What Is the drep_activity Parameter? Just like a morning roll call at school or the "ping" of a health monitor,...

Governance
20 May 2025
lacrymaria-color-portrait

max_block_ex_steps

The Cardano Blockchain has over 40 parameters that lets you tune the system to work on a wide range of applications. In this installment of our series to explore these parameters, we will be covering the **max_block_ex_steps** network parameter. In a previous article we covered the [max_block_ex_mem](https://www.lidonation.com/en/posts/max-block-ex-mem/), the other peas in the typical pod when it comes to rating a the power of a computer system. If you ever purchased a computer chances are two things that came up in...

Governance
02 Jun 2025
simocephalus-in-the-lab

Ukubwa wa Bloki (Max Block Size)

Kufikia uchapishaji huu, Cardano ina takriban vigezo 30 vya mtandao. Vigezo ni taratibu zinazodhibiti JINSI GANI Blockchain ya Cardano inavyofanya kazi. **Leo tunazungumzia kuhusu kigezo cha max_block_size.** Mifumo ya blockchain hufanya kazi kwa kuchukua vipande vingi tofauti vya data, kuviweka kwenye kisanduku cha dijiti au "bloki," kwa kutumia lebo na metadata kwenye kizuizi hicho, na hatimaye kunakili kizuizi kilichokusanywa kwenye kompyuta nyingi. Kwenye Cardano, kikundi kipya kinaigwa kwenye zaidi ya kompyuta 3000 duniani kote kila baada ya sekunde 20 kutoka...

Governance
01 May 2023
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  • Decoding parameters, one episode at time

    Parameters on Air

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    Max Block Body Size
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    Maximum Block Header Size
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    Monetary Expand Rate
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    max_tx_size
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    pool_deposit
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    epoch_no
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    close

    Playlist

    • EP1: 'd' parameter

      Authored by: Darlington Kofa

      d. 4 se. 3
      Darlington Kofa
    • EP5: pool_deposit

      Authored by: Darlington Kofa

      d. 3 se. 19
      Darlington Kofa
    • EP3: key_deposit

      Authored by: Darlington Kofa

      d. 3 se. 48
      Darlington Kofa
    • EP6: max_tx_size

      Authored by: Darlington Kofa

      d. 4 se. 59
      Darlington Kofa
    • EP2: epoch_length

      Authored by: Darlington Kofa

      d. 3 se. 24
      Darlington Kofa
    • EP4: epoch_no

      Authored by: Darlington Kofa

      d. 2 se. 16
      Darlington Kofa
    • EP7: Monetary Expand Rate

      Authored by: Darlington Kofa

      d. 4 se. 3
      Darlington Kofa
    • EP9: Maximum Block Header Size

      Authored by: Darlington Kofa

      d. 4 se. 3
      Darlington Kofa
    • EP10: Max Block Body Size

      Authored by: Darlington Kofa

      d. 4 se. 3
      Darlington Kofa
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