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Validators stake POL tokens as collateral to secure the network and earn rewards in return. Rewards consist of staking rewards and transaction fees: ValidatorRewards=StakingRewards+TransactionFeesValidator Rewards = Staking Rewards + Transaction Fees Polygon allocates 12% of its total supply of 10 billion tokens to fund staking rewards. The yearly incentive is fixed, distributed to all signers periodically, irrespective of overall stake or target bonding rate.

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Reward schedule

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Annual reward rates by staked supply

Expected annual rewards for the first 5 years, for staked supply ranging from 5% to 40%:

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Who receives rewards

  • Validators: earn staking rewards and transaction fees. Validators may charge a commission on rewards earned by their delegators.
  • Delegators: earn staking rewards proportional to their delegated stake, minus validator commission.
  • All staked funds are locked in a contract on the Ethereum mainnet. No validator holds custody over delegator tokens.

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Checkpoint proposer bonus

Validators earn a bonus for committing periodic checkpoints to the Ethereum mainnet. To receive the full bonus, the proposer must include all signatures in the checkpoint. The protocol requires 2/3+12/3+1 weight of total stake; a checkpoint accepted with 80% votes yields the proposer 80% of the calculated bonus. Rewards minus the bonus are shared among all stakers (proposer and signers) proportionally.

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Transaction fees

Each block producer at Bor receives a percentage of transaction fees collected per block. Each span has a single producer, selected by Heimdall from a stake-weighted producer pool. Remaining transaction fees are distributed to all validators working at the Heimdall layer.