> For the complete documentation index, see [llms.txt](https://docs.moremarkets.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.moremarkets.xyz/protocol-concepts/tellers.md).

# Tellers

The **Tellers** system in MoreMarkets is a critical component for enabling secure and efficient cross-chain communication. It consists of two specialized contracts: **ReceiptTeller** and **RouterTeller**, each designed to handle specific aspects of cross-chain messaging and asset transfers.