# Prime Key

<img src="https://3393150385-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fej5Uo8n5yoGrIX5dB65Q%2Fuploads%2FYE8XWLDfKhoUOc66SAPh%2Fprime%20key2.png?alt=media&#x26;token=bae9ef20-0aa0-4e56-891d-ca1337bbe656" 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](https://docs.echelon.io/echelon-prime-foundation/6.0-parallel-tcg-assets/keys) in Parallel TCG.