# Welcome to OPN Chain Docs

## What is OPN Chain?

OPN Chain is a high-performance EVM blockchain developed by IOPn, built as an optimized version of Cosmos focused purely on Ethereum compatibility. Unlike standard Cosmos SDK chains, OPN Chain is designed specifically for EVM operations with IBC (Inter-Blockchain Communication) planned for the future.

## Why OPN Chain?

### Lightning Fast

* \~1 second block times
* Fast finality for quick confirmations
* Optimized for high throughput

### Cost Efficient

* Minimum gas price of just 7 Gwei
* Predictable and low transaction costs
* No surprise fees

### Developer Friendly

* Full EVM compatibility - deploy existing Ethereum contracts without modification
* Support for latest Ethereum features including Pectra upgrade
* Familiar tooling - works with Hardhat, Foundry, Remix, and more

### Battle-Tested

* Built on proven Tendermint technology
* Streamlined specifically for EVM operations
* Active testnet for safe experimentation

## Network Information

| Parameter       | Value                                                   |
| --------------- | ------------------------------------------------------- |
| Network Name    | OPN Testnet                                             |
| Chain ID        | 984 (0x3d8)                                             |
| RPC URL         | <https://testnet-rpc.iopn.tech>                         |
| Currency Symbol | OPN                                                     |
| Block Time      | \~1 second                                              |
| Min Gas Price   | 7 Gwei                                                  |
| Faucet          | [https://faucet.iopn.tech](https://faucet.iopn.tech/)   |
| Explorer        | [https://testnet.iopn.tech](https://testnet.iopn.tech/) |

## Start Building Today

Whether you're migrating from Ethereum, building your first DApp, or running infrastructure, OPN Chain provides the tools and performance you need.


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