> For the complete documentation index, see [llms.txt](https://a3sprotocolcontact.gitbook.io/a3s-protocol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://a3sprotocolcontact.gitbook.io/a3s-protocol/a3stokenomics/mint-and-roll-to-earn-usdaa/earn/referral.md).

# Referral

Users can invite others through their kernels(A3S Addresses). 

Once the invitees roll the kernels, these kernels are considered successfully invited by the inviter. 

The inviter can get a 10% extra $AA based on the invitees' claimed $AA. 

The invitees can get a 5% extra $AA bonus once they are successfully invited by others. 

{% hint style="warning" %}
The invitation relationship is bounded when the kernel starts to roll. 

The inviter bonus can only be rewarded when the invitees claim their $AA rewards.
{% endhint %}