Validator

Validator

Validator role

Validator has exactly one role in DAG aBFT Lachesis consensus - it creates and signs DAG vertices (events). Check out consensus algorithm.

Aside consensus algorithm, validator also may have governance roles in SFC contract.

Validator group

When a epoch starts, validators group for the epoch are decided and their stakes are fixed for the entire epoch. After an epoch gets sealed, a new validators group will be calculated based on the validators list given at the end of the sealed epoch.

Check out Validator group.