> For the complete documentation index, see [llms.txt](https://docs.thetpa.ai/ai-teleport-plaque-address/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.thetpa.ai/ai-teleport-plaque-address/tpai-blockchain/tpcoin.ai-erc-20-to-tpai-20/key-value/1-utility-within-the-ecosystem.md).

# 1-Utility within the Ecosystem

* DeAI **TPA Transactions:** TPCoin is required to register, renew, or upgrade 3D immersive internet (spatial web) locations. It also covers subscription payments, DeAI TPA purchases, and general transaction costs across the ecosystem.
* **AI Scene Generation Fees:** Payments for real-time AI-powered 3D immersive conversions via the AI model. TPCoin is also used to fund training and development of the AI system itself.
* **Meta Energy Rewards:** Users earn TPCoin for sharing, referring, and engaging with 3D immersive content.
* **Developer Grants:** Programmers and creators earn TPCoin for building extensions, modules, and 3D immersive tools. It also powers payments for application-level integrations and developer contributions.
* **Marketplace Currency:** Future marketplaces for 3D assets, enhancements, and apps will run on TPCoin. This includes payments across user-generated content, third-party tools, and immersive add-ons.
* **Protocol Access & APIs:** TPCoin will be required to access premium features of the DeAI TPA protocol and associated APIs, ensuring fair use, throttling, and monetization of high-demand developer and enterprise-level functions.