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

# Educational

- [What is a DEX?](https://docs.sonus.exchange/educational/what-is-a-dex.md): Sonus is an automated liquidity protocol implemented in a system of non-upgradeable smart contracts on the Soneium blockchain.
- [Testnet vs Mainnet](https://docs.sonus.exchange/educational/testnet-vs-mainnet.md)