> For the complete documentation index, see [llms.txt](https://efas.gitbook.io/whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://efas.gitbook.io/whitepaper/the-blockchain/building-materials-off-chain-asset.md).

# Building Materials (Off-Chain Asset)

<figure><img src="https://1381480173-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MkAYrEVRkCnasH6QIjH%2Fuploads%2FafUZakHTYGgA6iwmAum9%2F11_BuildingMaterials.jpg?alt=media&amp;token=a8cda69a-31e0-445d-ae7e-d8b5e33e1013" alt=""><figcaption></figcaption></figure>

Can be obtained by exploring resources scattered around planetary land and space rifts, or through purchase of building material loot boxes.

&#x20;Different planetary buildings require corresponding building materials to manufacture building permits and upgrades.

&#x20;Building materials come in six rarity levels: white, green, blue, purple, orange, and red.