BNB Chain
Time factors
Protocol time | Human readable time | |
---|---|---|
Protocol time | Block | 3 seconds |
First reward delay | 2 days | 2 days |
Reward frequency | Daily at 00:00 UTC | 1 day |
Unbonding period | 7 days | 7 days |
The protocol does not have a separate definition of time. Changes to staking get reflected every day at 00:00 UTC.
Lifecycle
There is a 2 day delay for staking rewards to be calculated and distributed to stakers.
Must know before staking
Minimum stake amount | ✅ | 1 BNB |
Partial stake changes | ✅ | |
Partial reward withdrawals | ❌ | |
Compounding | ❌ | |
Penalty | ✅ | Offline - 50 BNB |
Slashing | ✅ | Equivocation - 10,000 BNB |
Reward payouts occur at the first block after 00:00 UTC.
Slashing and penalty apply to the validator’s own stake.
Advanced topics
General
Staking happens on BNB Beacon Chain. BNB Smart Chain is where execution happens. BNB Beacon Chain is where consensus and governance occurs.
Reward payouts occur at breathe blocks. The first block after 00:00 UTC is called a breathe block. This is when any staking changes are applied and rewards are distributed.
Rewards
Rewards come from transaction fees. BNB Smart Chain burns 10% of the transaction fees incurred on its chain (see BEP-95 for more on fee burns). The rest is distributed to validators and stakers as rewards.
Factors that impact realized rewards.
Validator performance. If a validator misses more than 50 blocks in a given day, that validator will not receive any rewards for that day.
Commissions.
Risks
Slashing and penalty apply to the validator’s own stake. Delegators’ stake is not at risk.
Validators
Total validator cap | ✅ | 29 (21 active, 8 candidates) |
Validator requirements | ✅ | 10,000 BNB |
Resources
BNB Chain whitepaper: https://github.com/bnb-chain/whitepaper/blob/master/WHITEPAPER.md
BNB Chain documentation: https://docs.bnbchain.org/docs/stake/Staking
BNB Beacon Chain explorer: https://explorer.bnbchain.org/
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