# Marketplace
Ecio marketplace is a decentralized web application where players can find and sell NFT assets. In the marketplace you can list any items you want to sell including space warriors, genomic fragments, blueprint fragments and mystery boxes without a limit of assets to be listed.
BUSD is the only currency used in the marketplace, we choose to use a stable coin to prevent a fluctuation rate change on time.
Fee, Any trading transaction in our marketplace will be charged 3% to the community fund and 4.25% to support our development and marketing activities.
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://ecio-space.gitbook.io/ecio-white-paper/game-features/blockchain-features/marketplace.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.