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NFT zero-cost on-chain secrets: Lao Licai teaches you how to use OpenSea to create digital collections for free, and novices can easily get started.

Worried about the high gas fee for NFT casting? This step-by-step tutorial teaches you how to use OpenSea Portfolio Manager to create NFT at zero cost. It comes with safety reminders and money-saving tips for exchanges. It is a must-read for novices!

NFT zero-cost on-chain secrets: Lao Licai teaches you how to use OpenSea to create digital collections for free, and novices can easily get started.

#NFT zero-cost on-chain secrets: Lao Liek teaches you to use OpenSea to create digital collections free of gas fees

Want to turn your digital works into unique NFTs, but are you afraid of being cut off by gas fees? Don't panic, the old driver will take you on a shortcut today. Let’s talk about how to use OpenSea’s “Portfolio Manager” to turn your ideas into on-chain assets at almost no cost.

What exactly is NFT? Why does it smell so good?

NFT, the full name is Non-Fungible Token, which is translated as "non-fungible token". To put it bluntly, it is the “real estate certificate” or “limited edition signature” of the digital world.

  • UNIQUE: Each NFT is unique and cannot be dismantled or replaced. Just like the painting in your collection, it is the only one in the world and no one else can imitate it.
  • Ownership is clear: With blockchain technology, anyone can find out who owns this NFT, and there is no way to fake it.

Crypto-art has become extremely popular in recent years, and many creators have made a lot of money by issuing NFTs. But for us ordinary players, the biggest stumbling block is the Gas fee - the handling fee required for operations on Ethereum. Before the work is sold, you have to pay a sum of money first. Who can bear this?

OpenSea’s trump card: portfolio manager

In order to solve this pain point, OpenSea, the world's largest NFT market, has developed a Collection Manager. Its core is just one sentence:

"Get on the bus first and pay later": Before your NFT is bought or changes hands, you don't have to pay the gas fee for the chain at all**. Only when the ownership is really transferred do you need to pay this money. This greatly reduces the cost of trial and error for creators, and directly lowers the threshold.

Friendly reminder from CoinRebate: Although creating NFT itself can cost zero gas, initializing your OpenSea account (including wallet and authorization) still requires an on-chain operation and you have to pay some gas fees. Therefore, it is best to prepare some ETH in your wallet, and choose a time when the network is not congested and the gas fee is low. The little you can save is worth it!

Before you start, you must understand: What is a collection?

If you want to become famous in the NFT circle, building your own Collection is the key. You can think of it as your personal artistic brand.

  • Brand Signature: Each Collection corresponds to an independent smart contract, which is the "home" of all your works.
  • Convenient promotion: When buyers like one of your works, they can follow the clues to find your other series, and exposure and sales will naturally increase.
  • Take the initiative: If you don't create your own Collection, but use the default options of certain platforms (such as the early Rarible), your works will be included in other people's public collections, and your personal brand will not be established at all.

Step-by-step tutorial: Create your first NFT

Step 1: Prepare your stuff and start a portfolio

  1. Get your wallet ready: You must have a cryptocurrency wallet, such as MetaMask (Little Fox Wallet). This is your ticket into the world of Web3.
  2. Get to OpenSea: Open the OpenSea official website and connect your wallet.
  3. Create a portfolio:
  • On the profile page, find the "Create" button and click on it.
  • Select "My Collections", then click "Create a collection".
  • Follow the prompts on the page, upload your logo, banner image, fill in your portfolio name, description, etc. These settings can be changed later, don’t be afraid.

Step 2: Add NFT to the portfolio

Once the portfolio is ready, go to its page and you will see two main buttons: "Edit" (edit) and "Add New Item" (add new items).

  • Use the "Edit" button: You can configure the details of the portfolio, royalties (strongly recommended, this is the share you will get every time you resell in the future), and supported payment currencies.
  • Use the "Add New Item" button: This is the highlight of today - Create NFT for free.
  • Click in and upload your work files (supports pictures, videos, audios, 3D models, etc., up to 100MB).
  • Fill in the details such as NFT name, external link, description, and attributes. *Set the supply quantity (if it is a single copy, select 1, and you can set more points for limited editions).
  • After filling out all the fields, click “Create”. **Note, at this time, the wallet will not be opened for confirmation, and Gas will not be burned! ** NFT will be stored on OpenSea in an "unchained" state, and there is no problem in placing orders to sell normally.

Step 3: How to get the portfolio to pass verification?

Newly created portfolios will display an "unverified" status, which will affect its search and display on the platform.

  1. Go into your portfolio and click the "Edit" button.
  2. Scroll to the bottom of the page, find the "Submit for verification" button and click it.
  3. The OpenSea team will review your portfolio, which usually takes about 1 day. As long as your work is original and follows the rules, you will basically be able to pass. After review, you will receive an email, and the portfolio will also display a "verified" blue check.

Important additions and safety reminders

  • Technical standards: What is created using this method is the ERC-1155 standard NFT, which saves gas than the common ERC-721 and also supports batch operations.
  • Safety first: Be sure to operate through OpenSea’s official domain name and be careful of phishing websites. Don't tell anyone your wallet mnemonic phrase or private key even if you die.
  • About Transaction: NFT can be sold even if it is in "unchained" state. When a buyer places an order, the contract on the chain will be automatically executed, minting and transfer completed, and the gas fee will be borne by the buyer (usually included in the payment).

Want to get more into cryptocurrency? Start with trading!

Creating and trading NFTs is fun, but the world of cryptocurrency is much more than that. If you are interested in spot trading or contract trading and want to start at a low cost, it is crucial to choose an exchange that is safe, reliable and has low handling fees.

Stay away from those unknown "pheasant exchanges" that are hyped up to the sky, the safety of funds is always the first priority. We CoinRebate only promote the world's top, licensed and compliant trading platforms, and give you permanent transaction fee discounts.

Whether you want to buy or sell NFT-related tokens or invest in other crypto assets, you can start here, and the handling fees you save will be in vain!

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I hope this guide can help you easily take the first step in NFT creation. Remember, in the crypto world, continuous learning, staying vigilant, and using reliable tools are the best ways to protect yourself and seize opportunities. I wish you success in your creation and great profits in your trading!

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