> For the complete documentation index, see [llms.txt](https://cryptoindex-1.gitbook.io/cryptoindex-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cryptoindex-1.gitbook.io/cryptoindex-whitepaper/indx-tokenomics/additional-utility-of-indx.md).

# Additional Utility of INDX

INDX functionality is not limited to the use cases discussed in the [Core Utility of INDX](/cryptoindex-whitepaper/indx-tokenomics/core-utility-of-indx.md)  section. The token can also be used by users in auxiliary functions of the protocol, which extend and supplement the value of the core utilities:

* <mark style="color:blue;">**Advertising Promotion:**</mark> To attract more attention from users to the index, creators can purchase advertising for INDX tokens. The cost of advertising is variable and is determined based on auction mechanics. More detailed information is presented in the [Advertising Promotion ](/cryptoindex-whitepaper/more-details-about-indx-utility/advertising-promotion.md)section.
* <mark style="color:blue;">**Referral Program:**</mark> Users referring new participants earn INDX tokens, enhancing user growth and token demand. More detailed information is presented in the [Referral Program](/cryptoindex-whitepaper/more-details-about-indx-utility/referral-program.md) section.
* <mark style="color:blue;">**Seasonal Rewards:**</mark> The Cryptoindex platform conducts seasonal events to reward active users by introducing seasonal rewards and bonuses for top-performing index creators to maintain user engagement and participation.