Any participant in the Vega network can become a validator. You'll need to set up a node and its infrastructure, submit a transaction on chain, self-stake Loading... and attract token holders to stake (delegate) their tokens to you.
Those with the highest validator scores (a measure of performance and stake) become consensus validators and earn the greatest rewards from infrastructure fees paid on every trade and transfer, with a portion distributed to stakers and standby validators. The validators list is refreshed every epoch Loading....