> For the complete documentation index, see [llms.txt](https://l1x-sdk.gitbook.io/l1x-foundation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://l1x-sdk.gitbook.io/l1x-foundation/l1x-technology-explained/x-talk.md).

# X-Talk

Blockchain interoperability refers to cross-chain communication of smart contracts. L1X provides interoperability at the base layer of the blockchain.

Read more about the X-Talk technical aspects [here](broken://spaces/eTLmER6Ab8VaxeOI6Vla/pages/LX8nfSjVRS4j40OtTNVy).