# Cross-Chain Bridges

Libre offers multiple solutions for seamless movement of assets between different blockchains, enabling true cross-chain interoperability.

## Available Bridges

Libre supports several bridge technologies to connect with various blockchains:

### [Libre CrossLink (BTC Bridge)](https://docs.libre.org/libre-docs/advanced-features/cross-chain-interoperability/crosslink-mpc-tss-bridge)

Our flagship bridge technology using Multi-Party Computation (MPC) and Threshold Signature Schemes (TSS) to provide:

* Trustless Bitcoin-Libre bridging
* Segregated Bitcoin vault infrastructure
* Full smart contract programmability

### [USDT / Ethereum Bridge](https://docs.libre.org/libre-docs/advanced-features/cross-chain-interoperability/usdt-ethereum)

Enables seamless movement of USDT between Ethereum and Libre through a two-step process:

* Currently supports Ethereum mainnet
* Coming soon: Polygon (MATIC) and additional networks
* [**Step-by-step guide: How to Peg-In USDT**](https://docs.libre.org/libre-docs/platform-docs/how-to-peg-in)

### [Bitcoin Lightning Network](https://docs.libre.org/libre-docs/advanced-features/cross-chain-interoperability/bitcoin-lightning-network)

Fast, low-fee Bitcoin transactions through Lightning Network integration:

* Instant BTC payments
* Micropayments support
* Lightning node infrastructure

### [Legacy pNetwork](https://docs.libre.org/libre-docs/advanced-features/cross-chain-interoperability/legacy-pnetwork)

Information on the previous bridge solution used before the development of CrossLink.

## Bridge Comparison

For a detailed comparison of how Libre CrossLink compares to other major Bitcoin bridge solutions like THORchain and Liquid, see our [bridge comparison](https://docs.libre.org/libre-docs/advanced-features/cross-chain-interoperability/bridge-comparison) guide.

## Key Benefits

Libre's cross-chain interoperability solutions provide several advantages:

1. **Asset Diversity**: Access to Bitcoin, USDT, and more through a single platform
2. **Multiple Integration Options**: Choose between wrapped tokens and direct vault interaction
3. **Smart Contract Programmability**: Build complex applications that leverage cross-chain assets
4. **Security First**: All bridges are designed with robust security measures
5. **Validator Incentives**: Validators earn fees in multiple currencies by securing bridges

Our bridges connect the broader cryptocurrency ecosystem to Libre's powerful smart contract capabilities, enabling developers to create sophisticated cross-chain applications.