# NFT Marketplace ChargeN NFT marketplace will be the primary NFT marketplace for the ChargeN users where they can trade their NFTs, upgrade their NFTs, or Trade-Up NFTs. Most NFT marketplace available in the crypto market are difficult to use for the users due to their complex UI. Keeping this in mind we have worked on the overall UI of design to keep things simple and easy to understand. You can select your NFT and upgrade the NFT with a simple step. --- # 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://info-chargen.gitbook.io/whitepaperv1/chargen-nfts/nft-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.