Step-by-Step Guide to Selling NFTs on Opensea: Illustrated Tutorial

What kind of platform is Opensea?

Opensea is currently the most widely used NFT trading platform. It provides a secure, open, and transparent marketplace where users can freely trade digital collectibles, including art, gaming assets, avatar series, and more.

Why choose to sell NFTs on Opensea?

• Large user base and high exposure.
• Supports multiple chains (ETH, Polygon, Arbitrum, etc.)
• The platform is easy to operate and suitable for beginners.
• Support for gas-free minting (Lazy Minting)

Complete selling process: from wallet to listing

1. Register and connect wallet
   Install the MetaMask extension, then go to the Opensea official website and click “Connect Wallet.”
2. Create NFT project
   Click “Create”, fill in the work information and upload the file. You can choose to upload images, audio, videos, etc.
3. Choose Blockchain
   Ethereum requires Gas for minting, while Polygon allows free minting, making it more suitable for beginners.
4. Confirm and generate NFT
   After successful completion, your NFT will be displayed on the “Collected” page.

How to set the sales conditions for NFT?

After entering your NFT page, click “Sell”:

• Set Price (ETH/MATIC)
• Choose the sales duration: can be set from 1 day to 6 months.
• Confirm and sign the blockchain transaction

You can cancel or modify the sale conditions at any time, just by signing the transaction again.

How to withdraw profits after the sale?

After the sale, the income will automatically enter your crypto wallet. You can:

• Continue to purchase other NFTs through Opensea
• Transfer ETH to a centralized exchange (such as Gate)
• Withdraw to bank card or payment account after converting to fiat currency on the exchange.

Practical advice and scam prevention tips

• Beware of phishing websites and fake NFT projects
• Avoid clicking on unfamiliar links or authorizing unknown DApps.
• Reasonable pricing, referring to the transaction prices of similar NFTs.
• Marketing promotion can gain more exposure through Twitter and Discord.