While DTCs leverage the Polygon blockchain technology the DTCs are joined to your nXlvl account. You can only sell DTCs on the nXlvl Marketplace while logged in with your nXlvl account.
nXlvl DTCs are lazy minted on polygon blockchain. DTCs are minted by nXlvl on behalf of the creator before ownership is directly transferred to a buyer. This is done to properly distribute revenue.
A Digital Trading Card (DTC) is a digital collectable that exsists within the nXlvl Market ecosystem. DTCs utilize blockchain technology but follow nXlvl Market stipulations.