> For the complete documentation index, see [llms.txt](https://guides.upland.me/sparklet/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.upland.me/sparklet/sparklet-white-paper-july-2023/existing-sparklet-utility.md).

# Existing SPARKLET Utility

In Upland, SPARKLET can either be “staked” (i.e. allocated to a task for the duration that it takes to complete) or (coming in the near future) “spent” (used to achieve an immediate outcome), depending on the use case. Players can also stake SPARKLET towards other players’ projects. Tasks that require staking are measured in “Spark Hours” (time to complete a task per staked SPARKLET) while creations that require spending are measured in SPARKLET denominations up to the single SPARKLET (e.g. 1 SPARKLET).

### Construction and World Building

SPARKLET can be staked towards the construction of structure NFTs that are tethered to the property NFT on the Upland map. There are various types of structures which currently include: Houses, Apartment Buildings, Factories, stadiums, Cafes, Show Rooms, and Speedway Pole Structures.

<figure><img src="/files/3hQjgmR7H9Tc71ZE2xvp" alt=""><figcaption></figcaption></figure>

### Manufacturing

SPARKLET can be staked towards the manufacturing of Map Items–NFTs that are visually represented and viewable on the Upland map. These items include (but are not limited to): Map Assets (e.g. Decor, Fixtures, Statues, etc.), Structure Ornaments (e.g. Decorations for Halloween), and Cars and Racing Karts.

<figure><img src="/files/THthzpkxEnVfuhdVGCtF" alt=""><figcaption></figcaption></figure>

### Renting SPARKLET

SPARKLET holders in Upland may rent SPARKLET out to other stakeholders who wish to use it for its utility. This can be achieved today using layer-2 services that use Upland’s developer APIs. One successful example of such tools is the UPX Spark Exchange - a UDN PRO (Upland Developer Network) app within the Upland ecosystem.

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