# Concepts

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