🔹Mina SRB

Learn how Mina staking rewards are calculated. MINASRB formula covers inflation rate schedule, circulating supply, total staked tokens, and validator performance.

MINASRB is a benchmark representing the mean, annualized staking rate across all active Mina validators.

MINASRB is calculated and published by Staking Rewards via the Mina Profile and Data API.

TL;DR: Mina staking rewards are determined by the inflation rate (from a hardcoded schedule based on days since genesis) multiplied by circulating supply and divided by total staked tokens. Validator-level rates factor in performance and commission.

$$MINASRB = ir * cs / st$$

Formula key	Metric name	Description
ir	Inflation Rate	The current annual inflation rate, determined by a hardcoded schedule based on days since genesis (see Inflation Rate Behaviour below).
cs	Circulating Supply	The total number of MINA tokens currently in circulation.
st	Staked Tokens	The total number of MINA tokens staked across all active validators.

• MINASRB takes into account all accumulated rewards, whether they have been claimed or remain unclaimed.

• MINASRB operates on a non-compounded basis, meaning it excludes returns generated from the reinvestment of rewards.

• MINASRB is based on an assumption of 100% validator performance. For a MINASRB adjusted according to individual validator metrics, please refer to MINASRB(v).

Slashing

Mina Protocol does not implement slashing. Validators and delegators do not risk losing staked funds due to validator misbehavior or downtime.

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Mina Validator Staking Rewards Rate: MINASRB(v)

Staking Rewards calculates the MINASRB for each validator based on their individual commission rate and block production performance.

$$MINASRB(v) = MINASRB * (1 - cr) * p$$

Formula key	Metric name	Description
cr	Commission Rate	The percentage commission rate the validator has set as a delegation fee for all delegators.
p	Performance	A binary indicator (0 or 1) representing whether the validator has successfully produced blocks.

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Observation Period:

1. MINASRB is determined based on the latest generated block at the point of evaluation.

2. This data is then annualized for a comprehensive year-long projection.

Calculation

The calculation happens every 2 hours and is immediately published via Data API.

Limitations

• MINASRB employs a 365-day convention for annualizing staking rewards. This convention remains consistent and does not accommodate adjustments for leap years.

• MINASRB does not account for transaction fee rewards, as Mina's staking rewards are entirely inflation-based.

• Individual validator returns may differ based on commission rates and block production activity.

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MINA Real Reward Rate (MINASRB^R)

The real reward rate calculates the MINASRB adjusted for inflation in the network.

$$MINASRB^R = (1+MINASRB) /(1+i)-1$$

Formula key	Metric name	Description
i	Inflation Rate	The annual inflation rate of the MINA token supply, determined by a hardcoded schedule based on days since genesis.

Inflation Rate Behaviour

Mina uses a hardcoded, time-based inflation schedule that decreases in steps based on the number of days elapsed since the genesis block (March 16, 2021):

Period (days since genesis)	Inflation Rate
0 - 365	12%
365 - 547.5	9%
547.5 - 730	8%
730+	7%

The network is currently in the final phase with a fixed 7% annual inflation rate.

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Other Mina metrics calculated by Staking Rewards:

Metric	Description
Delegated Tokens	The number of MINA tokens delegated to validators by external delegators.
Self Staked Tokens	The number of MINA tokens staked by validators directly from their own balance.
Staking Wallets	The total number of unique delegations on-chain. It doesn't distinguish based on unique delegator addresses.

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Data Sources:

• MinaScan Node GraphQL (on-chain total supply, block height, current epoch, staking-ledger hash)

• Mina Foundation Staking Ledger Snapshots (per-validator stake, self-staked tokens, delegator counts — published per epoch by Mina Foundation)

• CoinGecko (price, circulating supply)

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References:

• https://docs.minaprotocol.com/

• https://minaprotocol.com/

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📚 Learn more about MINA Staking

📊 Calculate your MINA Staking Rewards

⚙️ Access historic Mina Staking Data via API

Last updated on 05/06/2026