> For the complete documentation index, see [llms.txt](https://audits.solidgrp.io/ninjas-world-audit-report/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://audits.solidgrp.io/ninjas-world-audit-report/audit-results/ninja.sol/about-the-file.md).

# About the file

Ninja.sol is the contract that handles the blindbox NFT sell, mint, and burn functionality. When the sell is started only 200 pieces are offered, the supply of NFT can be increased by calling "mint" function from the owner role.