> ## Documentation Index
> Fetch the complete documentation index at: https://docs.initia.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Initia L1

## Overview

Initia L1 is a custom-built Layer 1 blockchain that serves as the central
coordination layer for all Interwoven Rollups. The L1 is built on the
[Cosmos SDK](https://docs.cosmos.network) and is responsible for:

1. **Security**: Rollups leverage Initia L1's security for various purposes
   including token bridging, state commitments, and fraud proofs.
2. **Liquidity**: The [InitiaDEX](/home/core-concepts/initiadex) on L1 acts as a
   central liquidity hub for the ecosystem, providing a seamless experience for
   token liquidity, cross-rollup bridging, and swaps.
3. **Interoperability**: L1 functions as a central hub and router for rollups,
   enabling seamless communication and state transitions both between rollups
   and with the broader blockchain ecosystem.
4. **Incentives**: L1 powers various incentive schemes including the
   [Vested Interest Program (VIP)](/home/core-concepts/vip/introduction) and the
   [Enshrined Liquidity](/home/core-concepts/enshrined-liquidity/introduction).