> 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.md).

# CATENA SWAP

It’s a protocol for trading and automated liquidity provision on BTC20 Smart Chain

<figure><img src="https://361756862-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FOXA5I7oitn3EOckcQKYS%2Fuploads%2FkNhH0dgR0idiI9KJchkf%2Fimage.png?alt=media&amp;token=1d329b35-050a-4e01-9e9d-1e4aae11f1d3" alt=""><figcaption></figcaption></figure>

The CATENA Protocol is a peer-to-peer system designed for exchanging cryptocurrencies (just like BTC20 Tokens on the Ethereum blockchain) on the BTC20 Smart Chain.&#x20;

The protocol is implemented as a set of persistent, non-upgradeable smart contracts; designed to prioritize censorship resistance, security, self-custody, and to function without any trusted intermediaries who may selectively restrict access. There are currently mainnet network of the Catena protocol is open.  which is viewable

[here](https://swap.bitcoincode.technology/)