The total tokens staked including tokens staked by validators and delegated by delegators.
ts
Total Supply
The total STRK token supply.
Slashing
STRKSRB does not factor in the possibility of slashing occurrences.
It's important to note that if validator entities face slashing, rewards will increase, as the slashed tokens are reallocated among validators.
STRK Validator Staking Reward Rate: STRKSRB(v)
Staking Rewards calculates the STRKSRB for each validator based on their individual commission.
STRKSRB(v)=STRKSRB∗(1−cr)
Formula key
Metric name
Description
cr
Commission Rate
The percentage commission rate the validator has set as a delegation fee for all delegators.
Observation Period:
The STRKSRB is determined based on the latest generated block at the point of evaluation.
This data is then annualized for a comprehensive year-long projection.
Calculation
The calculation happens every 1o minutes and is immediately published via Data API.
Limitations
STRKSRB excludes rewards accrued from on-chain fees.
STRKSRB employs a 365-day convention for annualizing current slot times. This convention remains consistent and does not accommodate adjustments for leap years.
STRK Real Reward Rate: STRKSRB^R
The real reward rate calculates the STRKSRB adjusted for inflation in the network.
STRKSRBR=1+STRKSRB/(1+ir)−1
Formula key
Metric name
Description
ir
Inflation Rate
The annual provisions divided by the circulating supply.
Inflation Rate Behavior
Starknet's inflation mechanism caps annual inflation at 4%, with a minting rate proportional to the square root of the staking rate—ensuring that the more tokens are staked, the higher the total minting but the lower individual staking rewards as a percentage. The minting curve aims to strike a balance between the needs of rewarding stakers and setting inflation expectations on Starknet.
Other Starknet metrics calculated by Staking Rewards:
Metric
Description
Delegated Tokens
The number of STRK tokens delegated to validators.
Self Staked Tokens
The number of STRK tokens self-staked by validators directly.
Staking Wallets
The total number of unique delegations on-chain.
BTC Staking on Starknet
Starknet operates a dual-token consensus model where both STRK and BTC contribute to network security. BTC holders stake tokenized BTC wrappers (WBTC, tBTC, SolvBTC, LBTC) on Starknet to earn STRK rewards.
BTC staking uses the same validators as STRK staking. Each validator can open delegation pools for BTC wrapper tokens via the staking contract. Reward options are tracked per validator and per wrapper.
BTC Staking Reward Rate
APRBTC=(ym∗α∗PSTRK)/(stBTC∗PBTC)
Formula key
Metric name
Description
ym
Yearly Mint
Total STRK minted per year from the minting curve contract.
α
Alpha
BTC weight factor in consensus (currently 25%), sourced from the reward supplier contract.
P_STRK
STRK Price
Current STRK price in USD.
st_BTC
Total BTC Staked
Sum of all BTC wrapper tokens staked across WBTC, tBTC, SolvBTC, and LBTC.
P_BTC
BTC Price
Current BTC price in USD.
BTC stakers earn STRK rewards, not BTC. The effective APR depends on the STRK/BTC price ratio.
The alpha parameter (BTC weight) is controlled on-chain and can be adjusted by governance.
BTC Validator Staking Reward Rate: APR_BTC(v)
APRBTC(v)=APRBTC∗(1−cr)
Formula key
Metric name
Description
cr
Commission Rate
The validator's commission rate, same as for STRK staking.
Each validator's BTC delegation pools are discovered via the staker_pool_info contract function.
A separate reward option is created per validator per BTC wrapper token.
Validators with 100% commission (private validators) are excluded.
Supported BTC Wrappers
Token
Decimals
Description
WBTC
8
Wrapped Bitcoin (bridged)
tBTC
18
Threshold Bitcoin (decentralized bridge)
SolvBTC
18
Solv Protocol BTC
LBTC
8
Lombard Staked Bitcoin (backed by Babylon BTC staking)
