> For the complete documentation index, see [llms.txt](https://quotanetwork.gitbook.io/whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://quotanetwork.gitbook.io/whitepaper/about-quota/features/on-chain-referral-program.md).

# On-chain Referral Program

## Definition

Quota has a built-in multi-tier on-chain referral system tied to the NFTs users issue within the ecosystem. This is the first multi-tier on-chain referral program ever built with this level of complexity.

Referral Program allows for incentivizing ecosystem participants to be incentivized to refer their friends to join the ecosystem whilst allowing for the transparent allocation of referral fees.

#### **Key Features**

* NFT Premier Tier System
* Residual Income via referral fees based on referred user’s on-chain ecosystem activity
* Referral fees