docs/building-with-ocean/wallets-and-ocean-tokens.md

---
description: >-
  How to use crypto wallet software to check your Ocean Token balance and to
  send Ocean Tokens to others.
---

# Use Your Wallet to Manage OCEAN Tokens

If you don't see any Ocean Tokens in your crypto wallet software (e.g. MetaMask or MyEtherWallet), don't worry! It might not know how to manage Ocean Tokens yet.

### Token Information

Almost all ERC-20 wallets require these values for adding a custom token:

**Mainnet**

* Contract Address: `0x967da4048cD07aB37855c090aAF366e4ce1b9F48`
* Symbol: `OCEAN`
* Decimals: `18`

**Polygon Mainnet (previously Matic)**

* Contract Address: `0x282d8efCe846A88B159800bd4130ad77443Fa1A1`
* Symbol: `mOCEAN`
* Decimals: `18`

**Binance Smart Chain (BSC)**

* Contract Address: `0xdce07662ca8ebc241316a15b611c89711414dd1a`
* Symbol: `OCEAN`
* Decimals: `18`

**Rinkeby**

* Contract Address: `0x8967BCF84170c91B0d24D4302C2376283b0B3a07`
* Symbol: `OCEAN`
* Decimals: `18`

**Ropsten**

* Contract Address: `0x5e8DCB2AfA23844bcc311B00Ad1A0C30025aADE9`
* Symbol: `OCEAN`
* Decimals: `18`

**Mumbai**

* Contract Address: `0xd8992Ed72C445c35Cb4A2be468568Ed1079357c8`
* Symbol: `OCEAN`
* Decimals: `18`

The [OCEAN Token page](https://oceanprotocol.com/token) at oceanprotocol.com has further details.

### MetaMask

1. Make sure MetaMask is connected to the Ethereum Mainnet.
2. Select the account you want to manage.
3. Scroll down until the `Add Token` link is visible, then click on it.
4. Click on `Custom Token`.
5. Paste the Ocean Token contract address listed above into the _Token Contract Address_ field. The other two fields should auto-fill. If not, add `OCEAN` for the symbol and `18` for the precision.
6. Click `Next`.
7. Click `Add Tokens`.

MetaMask should now show your Ocean Token (OCEAN) balance, and when you're looking at that, there should be a `Send` button to send Ocean Tokens to others. For help with that, see [the MetaMask docs about how to send tokens](https://metamask.zendesk.com/hc/en-us/articles/360015488931-How-to-Send-Tokens).

### Other Wallet Software

Do a web search to find out how to add a custom ERC-20 token to the wallet software you're using.