> For the complete documentation index, see [llms.txt](https://docs.orbitchain.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.orbitchain.io/smart-contract-integration/smart-contract-overview.md).

# Overview

**BalanceContract** : Manage multi-asset and process balance transfer

**EthPeggingContract** : Manage ETH-Orbit communication

**BtcPeggingContract** : Manage BTC-Orbit communication

**XrpPeggingContract** : Manage XRP-Orbit communication