Before you can mint on Ethereum or collect Ethereum NFTs on Opensea, you must add Ether to your wallet. You can use Coinbase to buy Ether. This Coinbase Help Center article is great for getting started.
To send Ether to your wallet, you need your wallet address. Here’s how to find it:
Click on the MetaMask browser extension
To copy your Ethereum address (aka public key), hover over “Account” and click “Copy to clipboard”.
Some NFTs may require WETH (Wrapped ETH). This is equivalent to ETH but will just require a few extra steps which you can do directly through OpenSea.Here is a Help Center from OpenSea to guide you through the process.
Do I need to buy MATIC?
Minting on Polygon is covered by Verisart on all our Premium so you won’t need to purchase any MATIC.