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

# Concepts

- [How Octus Bridge transfers work](https://docs.octusbridge.io/use/bridge/concepts/how-octus-bridge-transfers-work.md): Mechanics of Octus Bridge transfers
- [Available chains and assets](https://docs.octusbridge.io/use/bridge/concepts/available-chains-and-assets.md)
- [Universal Bridge](https://docs.octusbridge.io/use/bridge/concepts/universal-bridge.md): Moving any tokens between Everscale and EVM networks
- [Invisible Bridge](https://docs.octusbridge.io/use/bridge/concepts/invisible-bridge.md): Using Octus Bridge without EVER