# Marketplace XANA NFT is primary NFT Marketplace for XANA Metaverse and NFTDUEL. Players can browse through listings of DUEL Cards to buy, as well as list their own DUEL Cards for sale. Sellers can sell DUEL Cards by listing with a specified price. Buyers can purchase it by spending Token from his wallet. Upon confirmation of the transaction on the blockchain, the transfer of the asset happens immediately. The Seller receives token in his wallet, and the DUEL card is transferred to the Buyer. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.nftduel.net/nft-duel/card/marketplace.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.