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blockchain_integration/pi_network/pi-network-layer2-scaling/docs/architecture.md

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+# Architecture Overview
+
+## Introduction
+This document outlines the architecture of the Pi Network Layer 2 Scaling project. The architecture is designed to enhance scalability and usability through Layer 2 solutions.
+
+## Components
+- **Main Chain**: The primary blockchain where the Pi Network operates.
+- **Layer 2 Solutions**: Off-chain solutions that process transactions to improve speed and reduce costs.
+  - **Optimistic Rollups**: A method that allows transactions to be processed off-chain while ensuring security through fraud proofs.
+  - **zk-Rollups**: Utilizes zero-knowledge proofs to bundle multiple transactions into a single proof, enhancing privacy and scalability.
+  - **State Channels**: A mechanism that allows participants to transact off-chain and only settle on-chain when necessary.
+
+## Interaction Flow
+1. Users initiate transactions on the Layer 2 solution.
+2. Transactions are processed off-chain.
+3. Final states are periodically submitted to the main chain for settlement.
+
+## Conclusion
+The architecture aims to provide a scalable and efficient solution for the Pi Network, enabling a seamless user experience.