--- title: Ocean Tokens description: The technical basics of Ocean Tokens. --- ## Basics **Ocean Tokens** are the [cryptocurrency](https://en.wikipedia.org/wiki/Cryptocurrency) associated with Ocean Protocol. They are standards-compliant [ERC-20 tokens](https://en.wikipedia.org/wiki/ERC-20). Property | Value -----------------------|--------- Token Contract Address | See below Token Symbol | OCEAN Decimals of Precision | 18 ## Testnet Ocean Tokens There are Ocean Tokens in several testnets, including the Kovan testnet and Nile testnet. They are just testnet Ocean Tokens (i.e. for testing purposes only) and they aren't interchangeable with Mainnet Ocean Tokens. For more details (including token contract addresses), see the the [page about Testnets](/concepts/testnets/). ## Mainnet Ocean Tokens The initial circulating supply of Mainnet Ocean Tokens will first become available on the Ethereum mainnet (_not_ the Ocean mainnet). **Ethereum Mainnet Token Contract Address:** To be determined If you acquired Ocean Tokens in the initial circulating supply, they will be sent to the address you provided. We will write about the timing and other details elsewhere. In the future, the Ocean mainnet will be launched and later it will become possible to move Ocean Tokens from the Ethereum mainnet to the Ocean mainnet. We will write about the timing and other details elsewhere. It _won't_ be possible to use Mainnet Ocean Tokens for Ocean Protocol tasks (such as consuming assets) in the Ethereum mainnet. It _will_ be possible to use Mainnet Ocean Tokens for Ocean Protocol tasks in the Ocean mainnet. ## Further Reading about Ocean Tokens - [Get Ether and Ocean Tokens](/tutorials/get-ether-and-ocean-tokens/) - “[Ocean Tokenomics](https://blog.oceanprotocol.com/ocean-tokenomics-d34f28c480a8)” - “[Ocean Tokenomics II](https://blog.oceanprotocol.com/https-blog-oceanprotocol-com-ocean-tokenomics-ii-faf05854314b)” - “[Ocean Token is 0.22€ for the Network Launch](https://blog.oceanprotocol.com/ocean-token-is-0-22-for-the-network-launch-52a8bd6c9379)” - [Ocean Protocol Technical Whitepaper](https://oceanprotocol.com/tech-whitepaper.pdf)