> 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="https://4213459187-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FzUy6FMY3JQ5tAhLYjw7N%2Fuploads%2F02iWlvRsot6cGmz2tWso%2Fimage.png?alt=media&amp;token=9a2f5395-9ce2-416d-8f4c-84e2632bb3d5" 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 👉