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

# Interoperability

> Cross-chain communication and bridge architecture

## Hyperlane Integration

Hyperlane is MANTRA Chain's main lock and mint bridge:

* Recommended for market makers
* Recommended for large transactions (\$1k+)
* Lock and mint mechanism

## Squid Integration

Squid is MANTRA Chain's liquidity bridge:

* Recommended for transactions below \$1k
* Easier to use
* Cheaper and faster than Hyperlane

## IBC Protocol

Inter-Blockchain Communication (IBC) enables:

* Communication with 50+ Cosmos chains
* Native token transfers
* Cross-chain applications

**Note:** Users should only use IBC if bridging from a Cosmos chain to MANTRA Chain.

## Bridge Architecture

MANTRA Chain supports multiple bridge types:

* **mantraUSD bridge**: USDC → mantraUSD from Ethereum, Arbitrum, Base, Polygon ([get.mantrausd.com](https://get.mantrausd.com/))
* **Hyperlane**: Lock & mint (large transactions)
* **Squid**: Liquidity bridge (small transactions \<\$1k)
* **IBC**: Cosmos chain interoperability

## Cross-Chain Communication

The EVM module and Cosmos SDK work together to enable:

* Cross-chain token transfers
* Cross-chain smart contract calls
* Interoperable DeFi applications

## Next Steps

* Learn about [bridging options](https://mantrachain.mintlify.site/resources/bridging/overview.md)
* Understand [EVM compatibility](https://mantrachain.mintlify.site/developers/architecture/evm-compatibility.md)
* Explore [Cosmos precompiles](https://mantrachain.mintlify.site/developers/architecture/cosmos-precompiles.md)


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