> For the complete documentation index, see [llms.txt](https://docs.seafi.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.seafi.ai/seafi-ido-launchpad/tier-system.md).

# Tier System

To participate in any token sale on the SeaFi IDO Launchpad, users have to stake SPT (SeaFi Token) to earn a tier. 

<figure><img src="/files/6L3buGNBBVizSHDRzMkF" alt=""><figcaption></figcaption></figure>

The tier system determines the user’s allocation during token sales, with higher tiers offering larger allocations. Here’s how it works 👉