Both Fish Buffet and Platinum Ranks are our dynamic loyalty scheme. It introduces a ladder for either random cashback rewards or a weekly fixed cashback. Collect Fish Points (FP) and climb the ranks to receive higher cashback.
You can choose between two types:
1) Fish Buffet: Climb up the ranks to unlock bigger rewards (higher cashback).
2) Platinum Rank: Opt-in to receive weekly fixed cashback (climb Platinum ranks for higher weekly fixed cashback).
You may find out more about it here.