# About Pharos

*“We believe in: rough consensus and running code” - David Clark, 1992*

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## Pharos Network Overview

<figure><img src="/files/WE93um3Fopxi0O9De5pD" alt=""><figcaption></figcaption></figure>

Pharos has designed a **Modular & Full-stack Parallel L1 Blockchain Network**, structured into three primary layers: **L1-Base**, **L1-Core**, and **L1-Extension**.

* **L1-Base**: Delivers industry-leading data availability and hardware acceleration.
* **L1-Core**: A high-performance, globally distributed blockchain network powered by decentralized nodes. These nodes provide high-throughput and sub-second finality, enabling real-time Web3 user experiences.
* **L1-Extension**: Built on top of L1-Core, this layer supports network expansion across three dimensions:
  1. Leverages heterogeneous computation to create custom [Special Processing Networks (SPNs)](https://github.com/PharosNetwork/docs/blob/main/introduction/core-technologies/pharos-spns.md), capable of running blockchain networks, sidechains, or non-blockchain applications like **HFT**, **ZKML**, and **AI models**.
  2. Enables **Native Restaking** to support rapid SPN creation, shared security, staking rewards, and slashing mechanisms. SPNs utilize the excess computing power of validators, providing flexibility in resource use while incentivizing upgrades.
  3. Facilitates **Cross-SPNs Interoperation**, allowing infrastructure, middleware, and application-focused SPNs to communicate and collaborate effortlessly, fostering a highly modular and composable ecosystem.

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## Ecosystem Architecture

The Pharos ecosystem is structured across three key layers:

1. **Transaction Layer**: Facilitates secure, confidential, and efficient cross-chain asset and account interactions via the secure and confidential cross-chain interoperability protocol.
2. **Consensus Layer**: Integrates with external restaking protocols through the **Adaptive Restaking Interaction Protocol**, enabling shared security and liquidity. This includes circulating assets like stBTC and stETH within the Pharos DeFi ecosystem.
3. **Data Layer**: Uses the **Decentralized Data Exchange Protocol** to synchronize and collaborate with external data centers, promoting innovative on-chain use cases like AI, FHE.

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### Pharos Modular Stack <a href="#pharos-modular-stack" id="pharos-modular-stack"></a>

A **modular stack** is provided to support SPNs, Pharos L2/L3 systems. Each modular component is open-sourced and available to partners and developers for scaling and customization.Performance benchmarks have been demonstrated on **Geth**, and future collaborations with ecosystem partners will help drive the development of Web3 infrastructure.

<figure><img src="/files/7DkXHa0Ls4Oqf7w3JrGb" alt=""><figcaption></figcaption></figure>

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## Restaking Integration

Pharos supports a **multi-asset protocols** to enhance security and liquidity, allowing seamless integration with restaking protocols like **Babylon** and **Eigenlayer**. Future updates will include more protocols, expanding interoperability and security across the network.


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