What are the different roles of validators in a blockchain network?

What are the different roles of validators in a blockchain network?

Validators play crucial roles in blockchain networks, primarily in transaction validation, block production, and maintaining consensus.

Can you explain how a validator is chosen?

Validators are typically chosen based on their stake in the network, reputation, or through a voting mechanism, depending on the consensus algorithm.

What happens if a validator acts maliciously?

If a validator acts maliciously, they can be penalized by losing their stake or being temporarily banned from validating transactions.

Are there different types of validators?

Yes, there are different types of validators, such as full validators, light validators, and delegators, each with specific functions.

How do validators contribute to network security?

Validators enhance network security by ensuring that only valid transactions are added to the blockchain, preventing fraud and double-spending.