> For the complete documentation index, see [llms.txt](https://cau-vang.gitbook.io/cau-vang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cau-vang.gitbook.io/cau-vang/usdhac-token/usdhac-utility.md).

# $HAC Utility

Listen up, HACsters! Holding $HAC has its perks, including the chance to earn some sweet trading fees by staking in the pool on Optimism. And that's not all! If you're a wordsmith or a Twitter guru, you can earn a 50% allocation share from our partners by writing review articles or creating engaging threads. \
Plus, keep an eye out for more exciting ways to use your $HAC tokens, like snagging some NFTs, partying it up at exclusive events, and unlocking secret Discord rooms. Hold onto your $HAC and let the good times roll!