Developer Settings

Developer settings provides additional features for development and managing your wallet, such as enabling test networks, viewing your private key, and other experimental features.

Testnets

Enable and disable test networks.

To see a list of supported test networks, see Whitelisted Networks.

info

Testnets are enabled by default for the Coinbase Wallet browser extension.

info

When enabled, Testnet assets will be displayed separately from Mainnet assets in a dedicated Testnets tab.

Testnet Faucets

Fund your wallet with assets for various test networks.

Faucets are provided for the following test networks:

Network	Limit
Görli Ethereum	0.1 ETH per 24 hours
Sepolia Ethereum	0.5 ETH per 24 hours
Polygon Mumbai	0.25 MATIC per 24 hours
Optimistic Görli	0.05 ETH per 24 hours

info

Testnet faucets are only available in the Coinbase Wallet browser extension.

info

Testnet faucet limits are updated dynamically. Limits may be lower than stated above when there is an increase in user traffic and demand.

Show Private Key

View the private key associated with your wallet.

caution

Do not share your private key with anyone, even Coinbase. Anyone with your private key can steal your funds.

Export Custom Networks

Exports all custom networks to your clipboard in JSON format.

[
  {
    "id": "1337",
    "chainName": "localhost",
    "rpcUrls": [
      "http://127.0.0.1:8545"
    ],
    "chainId": "1337",
    "nativeCurrency": {
      "decimals": 18,
      "name": "Custom network",
      "symbol": "TEST"
    },
    "blockExplorerUrls": [
      ""
    ],
    "iconUrls": [
      ""
    ]
  }
]

You can import custom networks under settings by navigating to Default Network > Add custom network