Why stake size affects a validator’s rewards

In proof of stake, a blockchain uses tokens committed as a security deposit to help choose who checks transactions and adds the next block. That commitment is called a stake. Depending on the network, token holders may run validators themselves or delegate their tokens to one.

A validator’s chance of being selected is generally weighted by the stake backing it. More backing means more opportunities to validate blocks and collect rewards. The reward may include newly issued tokens, transaction fees, or both. A larger stake can therefore produce a larger reward in absolute terms, even when participants earn similar rates on each token. It does not mean every system pays a fixed percentage directly in proportion to holdings.

The tradeoff behind the incentive

The deposit is meant to give validators something to lose if they break the network’s rules. Some systems can penalize misbehavior by taking away part of a validator’s stake, a penalty often called slashing. Honest validation, by contrast, can earn rewards. The arrangement tries to make protecting the ledger more worthwhile than attacking it.

But stake also shapes influence: validators with more backing are typically more likely to participate in producing blocks. Rewards can then enlarge a stake, giving its holder a bigger base for future rewards. Delegation can let smaller holders share in that process, though it does not necessarily give them control over how a validator operates.

That creates a lasting design tension. Weighting participation by stake gives token holders a direct incentive to secure the system, but it can also favor those who already own more. The very deposit that makes misconduct costly can concentrate the power to validate transactions.