> For the complete documentation index, see [llms.txt](https://docs.echelon.io/echelon-prime-foundation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.echelon.io/echelon-prime-foundation/6.0-parallel-tcg-assets/prime-key.md).

# Prime Key

<img src="/files/jkISdtsoaeYxZwg5bf2D" alt="" data-size="original">

Prime Keys (PKs) were originally gifted to early supporters of Parallel. The total supply of PKs is 1,500. Their benefit is the following:

1. Grant six (6) additional slots for [Keys](/echelon-prime-foundation/6.0-parallel-tcg-assets/keys.md) in Parallel TCG.