Referees are users who have been invited by Referrers.
To learn about benefits for Referees, kindly see What is the Primex Referral Program?
To become a Referee, a user has to enter Primex App through a referral link that looks like this: https://app.primex.finance/referral-program?refId=0x...
When a user connects their wallet, they are asked to join the Referral Program and register their connection with the Referrer on-chain.
Click Join and sign the transaction in your wallet.