# Layers

## Contents

1. [Layer 1: Core](https://floip.gitbook.io/flow-specification/layers/1-core)
2. [Layer 2: Mobile Primitives](https://floip.gitbook.io/flow-specification/layers/2-mobile-primitives)
3. [Layer 3: Smart Devices](https://floip.gitbook.io/flow-specification/layers/3-smart-devices)