> ## Documentation Index
> Fetch the complete documentation index at: https://xoxno.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Liquidity model

> How hub assets, spokes, and the central pool share liquidity .

Learn how liquidity is shared and risk is isolated.

```mermaid theme={"system"}
flowchart LR
  Spokes --> Controller
  Controller --> Pool
  Hubs --> Pool
```

| Piece                                             | Role                            |
| ------------------------------------------------- | ------------------------------- |
| [Hubs](/docs/stellar-lending/hubs)                     | Market isolation (`hub_id`)     |
| [Spokes](/docs/stellar-lending/spokes)                 | Per-account risk                |
| [Markets](/docs/stellar-lending/markets)               | One `HubAssetKey` in the pool   |
| [Interest](/docs/stellar-lending/interest-and-revenue) | Utilization and revenue         |
| [Oracles](/docs/stellar-lending/oracles)               | Prices via the price aggregator |