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Chain State Values

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Active Validator Count

Section titled “Active Validator Count”

The current number of Polkadot validators in the active set is 500.

Block Hash Count

Section titled “Block Hash Count”

On Polkadot Asset Hub, the maximum number of block hashes retained on-chain at any given time is 4096 (which maps to seven hours given 6-second block times).

Bounty Curator Deposit

Section titled “Bounty Curator Deposit”

On Polkadot, the bounty curator deposit is calculated by multiplying the curator fee by the bounty curator deposit multiplier set to 50.0%. The deposit can range between a minimum of 10.00 DOT and a maximum of 200.00 DOT

Bounty Deposit

Section titled “Bounty Deposit”

The deposit to submit a bounty on Polkadot is 10.00 DOT

Bounty Duration

Section titled “Bounty Duration”

A Polkadot bounty has a predetermined duration of 3600.0 days.

Conviction Voting Lock Period

Section titled “Conviction Voting Lock Period”

One conviction voting lock period on Polkadot equals 7.0 days.

Existential Deposit

Section titled “Existential Deposit”

The minimum number of tokens to keep an account alive on Polkadot Asset Hub is 0.01 DOT

Inactive Issuance

Section titled “Inactive Issuance”

Polkadot's inactive issuance is 28658549.9337780787 DOT in the era 2353.

Index Deposit

Section titled “Index Deposit”

The deposit to reserve an index on Polkadot is 0.20 DOT

Maximum Number of Nominators

Section titled “Maximum Number of Nominators”

The maximum number of nominators on Polkadot is uncapped and the current value is 28101.

Maximum Number of Proxies per Account

Section titled “Maximum Number of Proxies per Account”

The maximum number of proxies per Polkadot account is 32. You can have the same proxy for multiple accounts.

Minimum Active Bond

Section titled “Minimum Active Bond”

The minimum amount of tokens to nominate on Polkadot is 191.27 DOT

Minimum Bond to Create a Nomination Pool

Section titled “Minimum Bond to Create a Nomination Pool”

The minimum bond to create a Polkadot nomination pool is 500.00 DOT.

Minimum Bond to Join a Nomination Pool

Section titled “Minimum Bond to Join a Nomination Pool”

The minimum bond to join a Polkadot nomination pool is 1.00 DOT

Minimum Bond to Participate in Staking

Section titled “Minimum Bond to Participate in Staking”

The minimum bond to nominate on Polkadot is 250.00 DOT while the minimum amount to join a pool is 1.00 DOT

Minimum Validator Bond

Section titled “Minimum Validator Bond”

To start a validator instance on Polkadot, the minimum bond required is 10000.00 DOT

Minimum Validator Commission

Section titled “Minimum Validator Commission”

The minimum commission a Polkadot Validator can set is 0.0%. This does not guarantee entry into the active set and earning rewards.

Multisig Deposit Base

Section titled “Multisig Deposit Base”

The multisig deposit base on Polkadot is 0.20 DOT

Multisig Deposit Factor

Section titled “Multisig Deposit Factor”

The multisig deposit factor on Polkadot is 0.00 DOT

Nomination Pool Max Commission

Section titled “Nomination Pool Max Commission”

The maximum commission that can be set for a Polkadot nomination pool is 10.0%.

Nomination Pool Members

Section titled “Nomination Pool Members”

There are currently 32875 members in 363 Polkadot nomination pools. There is no limit to the number of pools or pool members per pool.

OpenGov Referendum Timeout

Section titled “OpenGov Referendum Timeout”

A Polkadot referendum is timeout for not submitting the Decision Deposit within 3.0 days since its creation.

OpenGov Submission Deposit

Section titled “OpenGov Submission Deposit”

A deposit of 10.00 DOT is needed to submit a referendum on Polkadot.

Proxy Deposits

Section titled “Proxy Deposits”

The creation of proxies on Polkadot requires a proxy deposit base of 0.20 DOT and a proxy deposit factor of 0.00 DOT that is multiplied by the number of proxies under the same proxied account.

In case of time-delayed proxies, there is an announcement deposit base of 0.20 DOT for announcing a call and an announcement deposit factor of 0.00 DOT for each proxy call.

Staking Reward Retention

Section titled “Staking Reward Retention”

Polkadot staking rewards are kept available for 84 eras. The following calculation can be used to approximate this length in days:

84 eras × 24 hours in a single era ÷ 24 hours in a day = 84 days

Total Issuance

Section titled “Total Issuance”

Polkadot's total issuance is 1711895796.7609117389 DOT in the era 2353.

Treasury Burn Factor

Section titled “Treasury Burn Factor”

At the end of every spending period on Polkadot, 0.0% of the available funds are burned.

Treasury Spending Period

Section titled “Treasury Spending Period”

The spending period on Polkadot is currently 24.0 days.

Unbonding Duration

Section titled “Unbonding Duration”

The unbonding duration on Polkadot is set to 28 days. This is calculated by taking the bonding duration (in eras), multiplying it by the length of a single era (in hours), and dividing by the hours in a day (24). Example: 28 × 24 ÷ 24 = 28 days.

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