> For the complete documentation index, see [llms.txt](https://docs.bitcoincode.technology/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bitcoincode.technology/swap/catena-swap/advance-topics.md).

# Advance Topics

- [Fees](https://docs.bitcoincode.technology/swap/catena-swap/advance-topics/fees.md)
- [Pricing](https://docs.bitcoincode.technology/swap/catena-swap/advance-topics/pricing.md)
- [Security](https://docs.bitcoincode.technology/swap/catena-swap/advance-topics/security.md)