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

# Liquidity Sources

> How Trails integrates with Liquidity providers including solvers, fillers, and bridges

## Overview

Trails acts as an orchestration layer that connects to multiple liquidity sources to find optimal routes for cross-chain transactions. Rather than building its own liquidity pools, Trails aggregates existing infrastructure to provide the best pricing and execution for users.

## Integrated Liquidity Providers

Trails currently integrates with the following liquidity sources:

| Provider        | Type          | Description                                                                      |
| --------------- | ------------- | -------------------------------------------------------------------------------- |
| **Circle CCTP** | Bridge        | Native USDC bridging with fast finality and no slippage for stablecoin transfers |
| **Relay**       | Bridge/Solver | Fast cross-chain transfers with solver-based execution                           |

## How Liquidity Routing Works

When a user initiates a cross-chain transaction, Trails:

1. **Queries all integrated providers** for available routes and pricing
2. **Evaluates routes** based on speed, cost, and reliability
3. **Selects the optimal path** considering gas costs, bridge fees, and slippage
4. **Executes atomically** through the intent-based architecture

<Tip>
  Trails automatically handles fallback routing. If a primary route fails, the system can reroute through alternative providers when possible.
</Tip>

## Adding New Liquidity Sources

Trails is designed with a pluggable architecture that allows new bridges, DEXs, and solvers to be integrated without code changes. New protocols are evaluated based on:

* Security track record and audit status
* Liquidity depth and pricing competitiveness
* Speed and reliability of execution
* Chain coverage and token support

<Note>
  Want to integrate your bridge or DEX with Trails? Contact the team via the [Trails Telegram group](https://t.me/build_with_trails).
</Note>

## Benefits of Aggregated Liquidity

* **Best Execution**: Users always get competitive pricing across multiple sources
* **Resilience**: No single point of failure for cross-chain transfers
* **Broad Coverage**: Access to tokens and chains across all integrated providers
* **Future-Proof**: New providers can be added as the ecosystem evolves