---
title: "Chain configuration"
url: "/docs/block-builders/run-a-builder/install-and-run-a-node/chain-configuration/index.md"
description: "Network configuration values and contract addresses for Parmigiana testnet."
---
# Chain Configuration

See [`signet-constants`](https://github.com/init4tech/signet-sdk/blob/main/crates/constants/src/chains/parmigiana.rs) for loading and interacting with genesis files and values.

**Parmigiana Testnet Network Configuration**

| Property | Value |
|----------|-------|
| Host Chain ID | 3151908 |
| Rollup Chain ID | 88888 |
| Deploy Height | 0 |
| Native Gas Token | USD |
| Rollup RPC | https://rpc.parmigiana.signet.sh |
| Host RPC | https://host-rpc.parmigiana.signet.sh |
| Rollup Explorer | https://explorer.parmigiana.signet.sh |
| Host Explorer | https://explorer-host.parmigiana.signet.sh |

See [Parmigiana Quickstart](/docs/build-on-signet/parmigiana/index.md) for complete contract addresses.