# Token & Mechanism **Token and other smart contract are built on Binance Smart Chain** * Token (FIWA) * Transaction * NFT Game - 3D platform Unity **Mechanism:** * Create custom characters for free to participate in general modes. You can experience virtual interaction with other players in the game (**Free to play**) * **Convert characters to NFTs to join in more activities/modes which allow you to optimize profits (Invest to earn)** * **Trading & Finance**: Items are tradable and freely traded between players, which creates a decentralized economy. Tokens and items are allowed to be exchanged on the Market, and the system will also provide a limited number of materials for users --- # 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://defiwarrior-1.gitbook.io/the-mera/executive-summary/token-and-mechanism.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.