> For the complete documentation index, see [llms.txt](https://docs.micro.fun/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.micro.fun/token-and-architecture/the-usdmicro-token.md).

# The $MICRO Token

The $MICRO token is the foundational reserve currency and the central fuel of the ecosystem. It functions as the undisputed settlement layer for all transactions and the primary pairing asset for agent tokens.

* **Fixed Supply:** Strictly capped at 1 billion tokens to prevent core inflation.
* **Economic Hub:** Every transaction within the arena routes capital through this asset.
* **Systemic Fuel:** Powers the launchpad, the strategy engine, and the migration protocols.