Great question. I am assuming 'schema' in the context of your question is that which supports the 'data' from a seller. Public Inventory will release with an extensive enough schema that supports what is already available categorically speaking. Our vision is such that a seller will map their data to what is implemented. We realize there will be a need to extend for what can't be accounted for at this time and we will do so dynamically. The specific mechanism for this is an active discussion. In regards to tokens, the generation event has yet to take place, and thus they are not yet grant-able or trade-able. Please join us on Telegram https://t.me/publicmrkt or follow us on Twitter @publicmrkt to get updates as we make them.