# NFT Craft

**NFT Craft system** is a key feature of the **Achiefy's** ecosystem. Users can find a wide range of **blueprints** (receipts) to craft unique and valuable NFTs by using energy and reagents earned through [challenges and other activities](https://achiefy.gitbook.io/achiefy.io/explore-features/activities).

All NTFs from the blueprints collection are **pre-created by the Achiefy's team** and have a **limited quantity**. As soon all NFTs from a specific blueprint are crafted, the blueprint will become inactive, and this NTF will no longer be available for crafting.

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Early concept
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The less identical NFTs were issued, the higher their value and the more [energy and reagents](https://achiefy.gitbook.io/achiefy.io/explore-features/rewards) required for crafting.

Any user who has not enough [energy or reagents](https://achiefy.gitbook.io/achiefy.io/explore-features/rewards) can **replace the missing resources with ACF tokens**. This system allows users who did not participate in challenges but are interested in NFTs to get crafting reagents **from players** by using [ACF tokens](https://achiefy.gitbook.io/achiefy.io/explore-features/usdacf-token-utility). Users can also buy already crafted NFTs from players.&#x20;