> For the complete documentation index, see [llms.txt](https://docs.nucleusearn.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/base/roles/cross-chain/cross-chain-teller-base.md).

# Cross Chain Teller Base

- [BridgeData](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/base/roles/cross-chain/cross-chain-teller-base/bridgedata.md)
- [CrossChainTellerBase](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/base/roles/cross-chain/cross-chain-teller-base/crosschaintellerbase.md)