NFT OpenSea is now the talk of many parties on social media because of a young man from Semarang who has made billions in profits.
This young man earns profit in an unusual way, namely by selling his selfies that have been taken for 5 years. Of course, many people are interested to know about Ghozali’s way of earning money.
There are two important terms in this case, namely NFT and OpenSea.
What is NFT and OpenSea?

NFT (Non Fungible Token) is a cryptographic token that represents a unique item and is stored in a digital ledger called a blockchain. NFT can be added to any digital object such as artwork, website domains, to digital properties. The function of this NFT is to show the authenticity of a digital asset.
Simply put, NFT is a collector’s item but has a digital form. NFT is also unique and cannot be changed from the beginning when making a purchase, this is done to prevent copying of the artwork. NFT is a product that will be sold, in selling NFT then you can sell it in the NFT marketplace. There are various NFT marketplaces to choose from, one of which is quite popular is OpenSea.
OpenSea is an online marketplace that is a place for buying and selling NFTs. This marketplace is the first and largest platform in the world as an NFT marketplace. The company, which was founded in 2022, has more than 300 thousand users with NFT sold exceeding 34 million NFT. The transaction volume from this platform is also quite high, exceeding USD 4 billion.
In the Opensea app, the currency used is the cryptocurrency Ethereum which is the main currency. However, some currencies are also accepted yaki DAI, USDC and WETH. OpenSea also accepts various tokens for making payments such as $Whale and $UNI. Ethereum is the original crypto currency of the Ethereum blockchain which is used to pay transaction fees or so-called gas fees.
How to Register OpenSea

Are you familiar with OpenSea’s NFT and are interested in using the world’s largest NFT marketplace?
You can sign up for OpenSea to discover unique digital works or create impressive unique works. No need to worry, registering at OpenSea is very easy and fast. Here’s how to list OpenSea you need to do.
Creating a Digital Wallet
Before you create an NFT OpenSea account, you must first create a digital wallet.
This digital wallet functions to store crypto currency that can be used to transact on the NFT marketplace including OpenSea. The process is to convert your money into a cryptocurrency that is recognized by the marketplace.
OpenSea users generally use the MetaMask digital wallet which is a cryptocurrency wallet software. By using MetaMask, users can store assets more securely. Because, to access assets only the owner of the asset himself.
This is different from some other crypto repositories where the exchange can hold the assets of its users. MetaMask has several features, namely buying tokens, storing tokens, exchanging tokens, and synchronizing between devices.
Here’s how to register a Metamask digital wallet for NFT OpenSea
- Download the MetaMask app on the Metamask.io site
- After the application is downloaded, you can immediately install it
- If MetaMask is already installed, then you can immediately press the Get Started button in the dialog box that appears
- Click “Create a Wallet” to create a MetaMask account
- You will be asked to create a keyword, if you have then click “Create”
- Next Metamask will show 12 words that become seed phrases. These Seed phrases are very important and stream you remember or copy to a safe place
- After saving it, click the “Save Seed Words as File” or “I’ve Copied it Somewhere Safe” button
- Done, you already have a MetaMask account
Creating an OpenSea Account
Next you need to open the NFT marketplace website to create an OpenSea account. By creating an OpenSea account, you can make transactions both selling and buying NFT collections.
The following are the steps to create an OpenSea account that is easy and fast
- Open the browser application on your device then visit the OpenSea website on opensea.io. Use the same device you used to create the MetaMask digital wallet
- To get started, you can click on the wallet icon and then select the digital wallet you have, such as MetaMask
- You will get a notification from MetaMask to confirm your registration. Click Next to confirm the creation of an OpenSea account
- You will receive a second notification again, press Next to continue the OpenSea account creation process
- OpenSea will display an illustration saying that OpenSea is linked to the MetaMask digital wallet
- Done, now you have an OpenSea account
How to Create NFT in OpenSea

Now, various works of art have a new market for you to enter. One of them is the digital market which has many users from various countries.
To be able to enter this market, then you need to create an NFT first. Then how to make NFT in OpenSea? Here are some steps you need to pay attention to
Preparing Rich Art
Before you create an OpenSea NFT, you first have to prepare the artwork that you are going to sell.
Some of the works of art that can be made are illustrations, photos, videos, digital paintings, and various other works. Make sure that the work you offer is unique so that it has added value. The important thing that you should pay attention to is related to copyright. Make sure that the artwork you offer is original so that there will be no copyright lawsuits.
Upload NFT Items
After setting up your best artwork, you will now go to the NFT item creation page.
You can upload the NFT file with a maximum size of 100 MB. However, it is recommended if the file has a size below 40 MB for faster loading times. When uploading NFT, don’t forget to provide complete information regarding the NFT you are selling.
You can also set the content to be visible to everyone and let you know whether the NFT you are selling contains sensitive elements or not.
Choosing NFT Blockchain
You also need to select a working NFT blockchain to print NFT on. There are many popular blockchains to choose from, one of the most popular is Ethereum. You can directly click “Create” to do minting, which is to tokenize the work to the blockchain. Make sure when creating this NFT, you are connected to a digital wallet.
How to Buy and Sell NFT on OpenSea

Just like any other marketplace, OpenSea brings together buyers and sellers. In platform With this OpenSea NFT, you can sell NFT or buy NFT collections.
The following is an easy way to buy and sell NFT on OpenSea
How to Sell NFT on OpenSea
NFT is a digital masterpiece that is on the rise. Many artists create NFTs and promote them.
Moreover, several NFTs have been sold at fantastic prices. In fact, the most expensive NFT sold reached Rp 1 trillion.
Are you also interested in selling your works and turning them into NFT?
Here is how to sell NFT on OpenSea that you need to do.
- Make sure you have created an account and a crypto digital wallet first
- Go to the OpenSea website then click the profile picture at the top right
- Choose the NFT you want to sell from the crypto digital wallet.
- If the NFT item you created has appeared, then click “Sell”. You will go to the page to fill in the price and define the sales system. There are two sales systems, namely “Fixed Price” or a fixed price and an auction system.
- If you use an auction system, then you can choose the initial price and also the duration of the auction, whether 1 day, 3 days or 7 days
- In selling this OpenSea NFT, you will be charged an administration fee of 12.5%. The fee will be deducted from the income you managed to earn.
How to Buy NFT on Opensea
Some people who like illustration also love to collect NFT. Especially if the NFT is unique and has a high value.
NFTs can be resold at a later date and allow their owners to make a profit.
Are you interested in buying NFT on OpenSea? Here are some easy ways to buy NFT on OpenSea
- Make sure you have a digital wallet and an OpenSea account
- Click the explore page and you will see various collections of NFT that have been promoted by the creators
- You can see the various NFTs and choose according to what you want
- If you have found the right NFT, then you only need to click “buy” if the price of the NFT is fixed price
- If the price from NFT uses an auction system, then you can make an offer by clicking “make an offer”. Submit a price to the creator and wait until the auction time is over
- After getting NFT, you can immediately click “checkout”.
- Then you will be asked to login to MetaMask to process the payment. Make sure you have enough balance to buy the NFT you want
- Wait a few moments to process the purchase. When finished, the NFT will appear on your OpenSea account profile page
How, do you already know important things about NFT OpenSea?
By learning about NFT and its platform, it’s possible that your artwork will sell for a higher price. For those of you who are collectors, you can get unique and exclusive works of art. By purchasing NFT, you can support your favorite artists and creators financially and legally. Of course, you can also have basic use rights of the artwork you purchased.
Of the many available NFT marketplaces, OpenSea is still one of the most popular and trusted marketplaces. Many creators upload their work on this platform and many buyers want to find the best work. Are you also interested in creating, selling or buying NFT on OpenSea?
Follow the various steps above and start a new investment that is fun and exciting.