# Revenue Stream ### **1.Play Income** 1. **Initial card sale**: The sale of DUEL cards brings significant revenue to the protocol. 2. **Micro-transaction**: non-power enhancing purchases such as DUEL Cards, avatar, wearables, game items etc. 3. **Staked Play**: Play to Earn league and Leaderboard rankings are only available for gameplay in which players stake a Certain amount of tokens. The game takes a 2.5% fee on the stake. Rankings are based on players who win the most game tokens daily or weekly. 4. **League Gaming**: P2E League wins unlock a vast amount of rewards. Participation in the tournament requires a ticket, purchases of which feed a prize pool, with the game taking 5% of all accrued ticket fees. ### 2.Metaverse Protocol Income 1. **Build to Earn**: Third-party creators can build custom cards, worlds avatars, and wearables to allow players to play in them. The protocol takes a 30% fee earned as a Protocol fee. 2. **Metaverse Ads space**: All maps carry ads lots, which sponsors can pay for. --- # 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/ecosystem/revenue-stream.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.