Validator(Validator) Beginner's Guide
Validator Responsible for checking transactions and blocks in accordance with blockchain rules. Their responsibilities and incentives vary across consensus mechanisms: under Proof-of-Work (PoW), validation is generally performed by full nodes, while under proof-of-stake (PoS), the Validator is a formal role that requires staking and may be subject to penalties.
Basic Responsibilities of Validators
Validator Is a participant in a blockchain network that checks whether transactions and blocks comply with protocol rules. Validation is not exclusive to proof-of-stake (PoS): any independent rule-verifying full node full node can perform this task. When invalid data is discovered, the node rejects it, helping the network accept only records that comply with the shared rules.
Differences Between PoW and PoS
In Proof-of-Work (PoW)Proof-of-Work (PoW), all full nodes validate, but only miners also devote computing power to competing for the right to create new blocks, so “validation” is not equivalent to “mining.” In proof-of-stake (PoS)proof-of-stake (PoS), the Validator Validator is a formal role that requires staking native tokens and being selected to propose blocks or attest that blocks are valid.
Incentives, Penalties, and Participation Methods
PoS Validators who perform their duties correctly can receive rewards such as newly issued tokens and transaction fees; being offline may result in missed rewards, while maliciously attesting to conflicting blocks may result in slashing slashing. Holders who cannot operate a Validator themselves can delegate. PoW has no staked assets subject to slashing, while small-scale miners can join mining pools mining pools to combine computing power and share rewards according to their contributions.
Original Tutorial
https://www.binance.com/en/academy/glossary/validator
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