How to create NFTs on OpenSea using CoolWallet?

As of 2022, OpenSea has changed its policy that allows users to create NFTs free on Ethereum Mainnet. 
  1. Go to "Marketplace" > "OpenSea"
  2. Tap "Create" on the main page of OpenSea
  3. Upload an Image / Video / Audio as NFT
  4. Input Name of the NFT and Description (Optional)
  5. Select ETH/ Polygon as Blockchain
  6. Tap Create
  7. Well done! Now you have your NFT on OpenSea

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