> For the complete documentation index, see [llms.txt](https://whitepaper.hibikirun.com/index/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.hibikirun.com/index/how-it-works/marketplace.md).

# Marketplace

Hibiki Run's in-app market place is a common platform for traders and players to buy and sell their NFTs rewarded from Raffle machine.

## Platform fee

For each transaction (in Matic), Hibiki Run will reserve 2% of platform fee 

## Royalty

For each transaction of NFT trading, Hibiki Run offers royalty to all external projects and HBK artists/musicians:

* **4%** Royalty for NFTs originated from Hibiki Run team (headphone, game accessories, PFP NFTs, Music NFT, etc)
* **20%** of Royalty for external projects and Fans which created and donated free NFTs into in-app raffle pool (jpeg, wav)