> For the complete documentation index, see [llms.txt](https://docs.tajirchain.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tajirchain.com/introduction/overview.md).

# Overview

Tajir Chain is an EVM-compatible Layer 2 blockchain designed for digital commerce, payments, supply-chain applications, enterprise platforms, and decentralized applications.

Tajir Chain uses OP Stack execution technology and is integrated with Polygon AggLayer. Ethereum Mainnet serves as the L1 settlement layer.

### Mainnet at a Glance

<table data-search="false"><thead><tr><th>Property</th><th>Value</th></tr></thead><tbody><tr><td>Network Name</td><td>Tajir Chain</td></tr><tr><td>Chain ID</td><td>3377</td></tr><tr><td>Chain ID in Hex</td><td>0xd31</td></tr><tr><td>Native Currency</td><td>TJR</td></tr><tr><td>Currency Decimals</td><td>18</td></tr><tr><td>Block Time</td><td>Approximately 2 seconds</td></tr><tr><td>Execution Stack</td><td>OP Stack</td></tr><tr><td>Interoperability and Settlement</td><td>Polygon AggLayer</td></tr><tr><td>AggLayer Rollup ID</td><td>28</td></tr><tr><td>L1 Settlement Network</td><td>Ethereum Mainnet</td></tr><tr><td>Mainnet RPC</td><td><a href="https://rpc.tajirchain.com/">https://rpc.tajirchain.com</a></td></tr><tr><td>Block Explorer</td><td><a href="https://explorer.tajirchain.com/">https://explorer.tajirchain.com</a></td></tr><tr><td>Mainnet Bridge</td><td><a href="https://bridge.tajirchain.com/">https://bridge.tajirchain.com</a></td></tr></tbody></table>

### Key Capabilities

* Full EVM and Solidity compatibility
* Fast transaction processing
* TJR as the native gas token
* Ethereum-compatible wallet and address format
* Standard Ethereum JSON-RPC support
* Smart-contract deployment using familiar EVM tools
* Polygon AggLayer connectivity
* Public block explorer and explorer APIs
* Mainnet and testnet developer environments
* Open network configuration and deployment provenance

### Official Resources

* Website: [https://tajirchain.com](https://tajirchain.com/)
* Documentation: <https://tajir-chain.gitbook.io/tajir_chain-docs>
* GitHub Organization: <https://github.com/Tajir-Chain>
* Canonical Chain Registry: <https://github.com/Tajir-Chain/tajir-chain-registry>

<figure><img src="/files/9QyCg65tRFc1vjAdVJoc" alt=""><figcaption></figcaption></figure>

#### **Learn More**

* [<mark style="color:$primary;">Key Features</mark>](/introduction/key-features.md) — What Tajir offers
* [<mark style="color:$primary;">**Architecture Overview**</mark>](/introduction/architecture-overview.md) — How the system works
* [Why OP Stack? ](/introduction/why-op-stack.md)— Understanding the architecture