> For the complete documentation index, see [llms.txt](https://docs.solv.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.solv.finance/developer-guide/other-components/cross-chain-bridge.md).

# Cross-chain Bridge

## Cross-Chain Mechanics

SolvBTC’s cross-chain functionality is powered by **Chainlink’s Cross-Chain Interoperability Protocol (CCIP)** and **Free.tech**, enabling secure and efficient transactions between different blockchains. This ensures that users can move their SolvBTC tokens between chains seamlessly, without incurring high transaction costs or experiencing delays. The combination of these technologies allows Solv Protocol to provide a frictionless experience for users who want to maximize their Bitcoin’s liquidity across ecosystems.

Note: a $5 bridging fee will be charged for CCIP transactions.

## SolvBTC Bridging Guide

Video Guide: <https://drive.google.com/drive/folders/16d42lNFEEkuw6DnDGSpc61E2SsCsnCdk>

To bridge SolvBTC.m and SolvBTC.b to all supported chains and provide liquidity to earn more yields, follow these steps:

1. zkLinkNova via[ free.tech](http://free.tech/) - Nova points

Steps:

1. Bridge SolvBTC.m and SolvBTC.b to zkLinkNova.
2. Accumulate Nova points as rewards for your liquidity provision.
3. Linea via[ free.tech](http://free.tech/) -[ LXP-L Points](https://x.com/LineaBuild/status/1791154553443975607)

Steps:

1. Bridge SolvBTC.m and SolvBTC.b to Linea.
2. Activate your account on Linea - <https://referrals.linea.build/?refCode=qloTilqFOE>
3. Deploy your assets into [whitelisted dApps](https://www.openblocklabs.com/app/linea/dashboard) on Linea.
4. Earn LXP-L Points by participating in the Linea ecosystem.
5. Core via [free.tech](http://free.tech/) - Spark Multiplier

Steps:

1. Bridge SolvBTC.b to Core.
2. [Activate](https://ignition.coredao.org/registration) your Core account.
3. Deposit SolvBTC.b in Core Chain ecosystem dApps


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