With the new GokuMarket Referral program everyone can be a part of the program from the moment one successfully registers in GokuMarket.
The Ranks start with G0 and users can attain/upgrade till G10. G0 is automatically achieved on successful registration on the platform and G1 can be reached on KYC Approval.
Ranks can be achieved by performing various tasks and activities like purchasing starter kits, performing Trades, etc. For more details please refer to the article How to achieve or upgrade Ranks?