PsuB, named after the initial of the Payment Swap Utility Board, is a token based on the Klaytn blockchain. PsuB, a payment token that accumulates value through collateral to secure assets and uses a payment system at a fixed price, is a utility token that supports the operation of platforms such as NFT Marketplace. By using its own wallet as the hub, PsuB forms a circular ecosystem structure between online commerce and Payments in the Payments NFT Marketplace. We have also built a stable and efficient system by issuing repayment guarantees on each platform. In the future, PsuB will establish partnerships with various partners to expand its platform ecosystem both domestically and internationally in order to consolidate PsuB's own infrastructure....