> For the complete documentation index, see [llms.txt](https://docs.nftduel.net/nft-duel/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nftduel.net/nft-duel/ecosystem/revenue-stream.md).

# 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.