Mirror Writing NFTs and Subscribe to Mint NFTs can be deployed to Ethereum and the Ethereum-compatible Layer 2 blockchains supported by us. This reduces gas fees for creating and minting Writing NFTs. Below you will find instructions on how to add each of these Layer 2s to MetaMask.
To add a Layer 2 blockchain to MetaMask, open the MetaMask browser extension and click the network icon you are currently using at the top left:
The Select Network popup will open up. Click on the "Add network" button in the popup:
A new browser window will open up that includes a list of Layer 2s that you can add by clicking "Add" to the right of that Layer 2's name, and then clicking "Approve" in the popup that appears. Those Layer 2s include Optimism, Polygon and Base. Linea is already automatically included in MetaMask along with Ethereum mainnet.
If you'd like to add Zora, you'll need to click "Add a network manually" and input the following settings: