# Introducing Toii Ecosystem

Toii is a next-generation ecosystem that integrates the core elements of modern economies such as decentralized social networks, AI, DeFi, and lifestyle applications like health and travel. At the heart of the ecosystem is **GAO** – an AI Social SuperApp, which serves as the main interface and the central hub connecting users to every service within the ecosystem.

## The Five Core Layers

Toii organizes its ecosystem using a Layer architecture. It’s important to note that these **layers** do not represent blockchain layers (Layer 1/Layer 2), but are instead logical classifications to describe the functions, roles, and interactions between various components.

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### [1. Layer 0 - Foundation & Governance](https://docs.toii.xyz/layer-architecture/layer-0-foundation-and-governance)

The legal, organizational, and governance foundation ensuring Toii operates **transparently, lawfully**, and **scales globally**.

### [2. Layer 1 - Core Infrastructure & Protocols](https://docs.toii.xyz/layer-architecture/layer-1-core-infrastructure-and-protocols)

The backbone of the entire ecosystem.

### [3. Layer 2 - Platforms & Products](https://docs.toii.xyz/layer-architecture/layer2-platforms-and-products)

The user-facing layer, led by **GAO (AI Social SuperApp)**.

### [4. Layer 3 - Tokens & Incentives](https://docs.toii.xyz/layer-architecture/layer3-tokens-and-incentives)

The Asset Layer

### [5.Layer 4 — Developer & Partner Ecosystem](https://docs.toii.xyz/layer-architecture/layer4-developer-and-partner-ecosystem)

The expansion layer for builders and partners.