# Cross-chain liquidity engine

- [Symbiosis Core Smart Contracts Overview](/crosschain-liquidity-engine/symbiosis-core-smart-contracts-overview.md): Symbiosis Core Smart Contracts: Overview
- [Symbiosis Mint-Burn Process](/crosschain-liquidity-engine/synthesizing-process.md): Symbiosis Core Smart Contracts: Portal/Synthesis contracts and mint/burn processes.
- [Symbiosis BridgeV2 Contract](/crosschain-liquidity-engine/bridge-contracts.md): Symbiosis core smart contracts: BridgeV2 contract as a proxy between Synthesis/Portal contracts and the Symbiosis realayer network.
- [Symbiosis Routing Contracts](/crosschain-liquidity-engine/symbiosis-routing-contracts.md): Symbiosis core smart contracts: MetaRouterGateway, metaRouter, and multicallRouter.
- [Symbiosis & Emergencies](/crosschain-liquidity-engine/symbiosis-and-emergencies.md)
- [Symbiosis Octopools](/crosschain-liquidity-engine/symbiosis-octopools.md): Symbiosis Octopool is an AMM liquidity pool that facilitates cross-chain operations.