# xDai Chain (xDai)

The xDai chain is a stable payments EVM (Ethereum Virtual Machine) blockchain designed for fast and inexpensive transactions. The chain uses a unique dual-token model; xDai[ ](https://autofarm.gitbook.io/autofarm-network/how-tos/use-autofarm-in-different-chains/broken-reference)is a stable token used for transactions, payments, and fees, and STAKE is a governance token used to support the underlying POSDAO Proof-of-Stake consensus.

|               | xDai ⚔                                           | STAKE 🦸                                                        |
| ------------- | ------------------------------------------------ | --------------------------------------------------------------- |
| **Purpose**   | <p>Stable Payments<br>Transaction (gas) Fees</p> | <p>Staking & Protocol Protection</p><p>Community Governance</p> |
| **Stability** | Stable to USD                                    | Volatile / Market Driven                                        |

**Block explorer:** <https://blockscout.com/xdai/mainnet>

For additional information about xDai, reach out to their [official documentation](https://www.xdaichain.com/).&#x20;