PsuB is a token named after the front letter of the Payment Swap Utility Board and is a Clayton-based blockchain. PsuB is a payment token that deposits value to ensure safety and uses the pay system at a fixed price through collateral and is a utility token that supports operations on platforms such as NFT Marketplace. PsuB forms a circular ecosystem structure between Payments NFT Marketplace online commerce with its own wallet as a hub. We are also building a stable and efficient system by issuing repayment guarantees on each platform. In the future, PsuB will form partnerships with various affiliates to expand its platform ecosystem not only domestically but also abroad to solidify PsuB"s own infrastructure.