Mathematically speaking The selling price of platinum cards is 1.5 times that of black cards. more valuable The mint address of a platinum card is only 1/7 of that of a black card, and its scarcity is seven times that of a black card. From a technical perspective, black cards are transferable and NFT cannot verify user loyalty. After receiving the benefits today, they can be sold tomorrow. Platinum card is a permanently non transferable sbt soul binding. Loyalty is locked in. From the perspective of social influence Platinum card is also the first product of Morph Chain to break through the circle.