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Protocol Parameters | Cardano Insight | Cardano Observer

Network Configuration

Protocol Parameters

Active protocol settings for Epoch 635. These parameters govern the economic and technical behavior of the Cardano blockchain.

Economic Parameters

Min Fee A

44 Lovelace

Linear factor for transaction fee calculation.

Min Fee B

155381 Lovelace

Constant factor for transaction fee calculation.

Key Deposit

2 ₳

Deposit for registering a stake address.

Pool Deposit

500 ₳

Deposit for registering a stake pool.

Monetary Expansion (rho)

0.003

Fraction of reserves used for rewards per epoch.

Treasury Cut (tau)

0.2

Fraction of rewards sent to the treasury.

Min Pool Cost

170 ₳

Minimum operational cost per epoch for stake pools.

Network Limits

Max Block Size

88.00 KB

Maximum size of a block body.

Max Tx Size

16.00 KB

Maximum size of a transaction.

Max Block Header Size

1100 Bytes

Max Val Size

5000 Bytes

Maximum size of a value (token bundle) in a UTxO.

Governance Parameters

DRep Deposit

500 ₳

Deposit required to register as a DRep.

Gov Action Deposit

100,000 ₳

Deposit required to submit a governance action.

DRep Activity

20 Epochs

Epochs before a DRep is considered inactive.

Committee Min Size

Minimum size of the Constitutional Committee.

Committee Term Limit

N/A Epochs

Technical & Plutus

Protocol Version

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Collateral Percent

150 %

Percentage of fee required as collateral for engaging scripts.

Max Collateral Inputs

Maximum number of collateral inputs allowed.

Coins Per UTxO Word

4310 Lovelace

Deposit required per byte/word of UTxO storage.

Genesis Constants

Network Magic

764824073

Magic number identifying the specific network (e.g. mainnet).

System Start

9/23/2017

The exact date and time the blockchain network was initiated.

Active Slots Coeff

0.05

Density of block producing slots (determines spacing).

Security Parameter (k)

2160

Number of blocks required to ensure transaction finality.

Max Lovelace Supply

45,000,000,000 ₳

The maximum hard cap limit of Cardano native currency.

Epoch Length

432,000 Slots

The total duration of a single Cardano epoch measured in slots.

Slot Length

1 Second

Duration of a single slot.