The Ocean Production Network will be an EVM network of nodes ("keepers") running [Parity Ethereum](https://www.parity.io/ethereum/) software. Various Ocean Protocol smart contracts ("keeper contracts") will be deployed to it. It will be used for production use cases. It is also known by other names, including:
[Ocean Tokens](/concepts/ocean-tokens/) can, in principle, live in any EVM-compatible network. The ones sold in the Ocean Protocol token sale were in the Ethereum Mainnet (and still were, at the time of writing). For more information, see [the page about Ocean Tokens](/concepts/ocean-tokens/).