How is fairness maintained in validator rewards?

• A. Rewards are randomly awarded.
• B. All validators receive equal rewards regardless of stake.
• C. No penalties for misbehavior.
• D. Rewards are distributed proportionally to stake and participation, with penalties for misbehavior depending on subnet rules.

Answer: (D)

Fairness in validator rewards comes from tying compensation to two clear signals: how much stake a validator controls and how actively they participate in securing the network. When you have more stake, your influence in the consensus process increases, and when you participate consistently—producing and attesting to blocks—you earn rewards for that contribution. This proportional relationship ensures those who provide both capital and effort are rewarded accordingly, aligning incentives with network security.

Penalties for misbehavior reinforce this fairness by reducing rewards or slashing stake when rules are violated, creating a tangible consequence for downtime, double-signing, or other faults. The exact penalty structure can be defined by subnet rules, allowing different networks to tailor deterrence to their risk tolerance and governance. Taken together, rewards that scale with stake and participation, plus appropriate penalties for misbehavior, keep incentives aligned with honest, active participation.

If rewards were random or equal regardless of contribution, or if there were no penalties at all, the system would misalign incentives and undermine security by not rewarding real effort or punishing bad behavior.