What is Opensea?

Image:https://opensea.io/
Opensea is a decentralized NFT marketplace where users can create, buy, and sell NFTs on the platform. The platform supports multiple blockchain networks such as Ethereum, Polygon, and Arbitrum, and it accommodates various types of digital collectibles, including images, music, videos, and gaming assets.
What do I need to prepare before starting?
Before selling NFTs, you need to prepare the following items:
- Digital wallets (such as MetaMask): used to connect to Opensea and manage your NFTs and crypto assets.
- Cryptocurrency ETH or MATIC: used to pay the Gas fees for minting or listing NFTs (depending on the chosen blockchain network).
- Your NFT digital work: This can be an image, a piece of music, a 3D model, as long as it is original digital content.
How to create an NFT and upload it to Opensea
- Go to the official website and connect your wallet: Open Opensea.ioClick the “Connect Wallet” button in the upper right corner, select MetaMask and complete the connection.
- Click the “Create” button to create an NFT: fill in the work’s name, description, and upload files (such as JPG, PNG, GIF, MP3, MP4, etc.).
- Choose a blockchain network: Beginners are advised to choose the Polygon network, which is suitable for trying out.
- Click “Create” to complete the minting: your NFT will be minted and appear in your Profile.
Set selling price and sales model
Click on your NFT, select “Sell”, and you will see the following options:
- Fixed Price: Enter the selling price, usually priced in ETH or MATIC.
- Timed Auction: Set a starting price and time, suitable for works with market popularity.
- Bundle: You can combine multiple NFTs to sell them together.
After confirming that everything is correct, click “Complete Listing” and sign in your wallet to complete the listing.
How to withdraw after a successful sale?
After the NFT is sold, you will receive the cryptocurrency paid by the buyer in your wallet. You can:
- for continued investment or purchasing other NFTs
- Transfer to an exchange (such as Gate, etc.) and convert to fiat currency.
Frequently Asked Questions and Precautions
Does Opensea charge a fee: Yes, the platform generally charges a 2.5% transaction fee.
Can the same artwork be resold: You can set different quantities of NFTs through the “multi-version” option (limited to ERC-1155).