NFT minting is the process of creating an NFT and publishing it on a blockchain.
Before minting, an image, song, or video is simply a digital file. After minting, the blockchain creates the corresponding token and records its smart contract address, Token ID, holder address, and related metadata.
Minting an NFT usually involves these steps:
A creator can mint an NFT directly to their own wallet. Alternatively, they can use a Drop so buyers mint it from a public page and become its first holders.
For a broader introduction, see the complete beginner's guide to non-fungible tokens.
Not necessarily.
You can develop a smart contract yourself or create an NFT with a no-code tool such as OpenSea Studio.
According to OpenSea's official NFT creation guide, OpenSea Studio lets users deploy an NFT smart contract and mint an NFT directly to their wallet without writing code.
No-code tools are well suited to first-time creators because they simplify contract deployment, file uploads, and metadata setup.
Developing your own contract is more appropriate when a project needs special functions, such as:
Custom contract development requires greater technical expertise and adds code-vulnerability, permission-configuration, and audit costs.
Images, photographs, animation, music, video, and other digital content can be made into NFTs.
The work must be your own or be covered by explicit permission from the relevant rights holder.
Do not directly turn the following into NFTs:
Minting a file does not automatically give you copyright in the underlying work. An infringing NFT may still be removed from a marketplace and could lead to legal disputes.
A wallet connects to NFT creation platforms, deploys smart contracts, signs minting transactions, and receives newly created NFTs.
Before you begin, confirm that:
Deploying a smart contract and minting an NFT usually incurs blockchain network fees.
On Ethereum, you generally need ETH to pay gas. See the Ethereum asset page for related market information.
Gas varies with network congestion. Even a failed minting transaction may consume part of the network fee.
Prepare the following in advance:
The smart contract name and token symbol may be impossible to change after deployment, so verify their spelling before submitting the transaction.
Blockchains differ in transaction fees, user bases, wallet support, and NFT ecosystems.
When choosing a network, check:
Once a blockchain is selected, an NFT usually cannot simply be moved from one network to another.
Re-creating the same work on another network produces a new smart contract and Token ID rather than a direct continuation of the original NFT.
ERC-721 and ERC-1155 are common NFT standards in the Ethereum ecosystem.
The ERC-721 standard provides core functions for tracking and transferring unique NFTs.
ERC-721 is suitable for:
Even when a collection contains many NFTs, each ERC-721 NFT has its own Token ID.
ERC-1155 lets one smart contract manage multiple token types and create multiple copies of the same NFT.
ERC-1155 is suitable for:
With a supply of 1, an ERC-1155 asset can behave as a unique NFT. With a larger supply, several wallets can hold different quantities of the same Token ID.
OpenSea currently uses ERC-1155 mainly for its direct Collection creation feature and ERC-721 mainly for Scheduled Drops. Platform support can change, so rely on the information displayed during creation.
A single NFT contains one work and is useful for a first test of the minting process.
An NFT collection contains multiple works connected by a common theme, creative style, or purpose.
Before creating a collection, decide on:
Under OpenSea's current rules, NFTs created in the same Collection must use the same file type, and an NFT cannot be moved directly to another Collection after creation.
Plan the collection structure before deploying the smart contract.
OpenSea Studio supports direct Collection creation and Scheduled Drops.
The creator deploys a smart contract, then mints the NFT to their own wallet. The NFT exists immediately after creation and can be listed for sale separately.
This method suits creators who:
The creator configures a Drop page, supply, price, and schedule. Participants pay and mint during the open period, becoming the NFTs' first holders.
This method suits:
According to the official OpenSea Studio guide, direct creation mints NFTs to the creator's wallet, while a Scheduled Drop lets community members mint them directly.
The following process is intended for first-time OpenSea creators. The interface may change, so follow the current page.
Open OpenSea through its official domain.
Do not enter an NFT creation page through an unsolicited direct message, search advertisement, group-chat QR code, or link sent by a supposed support representative.
Select the login or wallet connection option, then choose your Web3 wallet.
In the wallet prompt, verify that the connection request comes from OpenSea's official domain.
A normal connection or login signature should not require sending funds to an unknown address or entering a seed phrase or private key.
In OpenSea Studio, you can view your existing NFT collections or create a new project.
For your first creation, choose to create a new NFT or Collection.
To mint an NFT directly to your wallet, choose to create a Collection.
Remember that an NFT cannot be freely moved to another Collection after creation, so confirm the collection plan first.
When creating a Collection, enter:
The smart contract name and token symbol are recorded on-chain and generally cannot be changed after deployment.
The logo may be updateable later, but do not confuse an editable logo with an immutable on-chain contract name.
After checking the information, select the option to publish the contract.
The wallet will display the contract deployment transaction. Check:
Submit the transaction after confirming these details, then wait for blockchain validation.
Contract deployment consumes gas. A successfully deployed contract receives its own blockchain address.
After the smart contract is deployed, open the Media and Metadata section to create an NFT.
Choose the image, animation, music, or other media file to make into an NFT.
Before uploading, confirm that:
The NFT name identifies the individual work.
Avoid spelling errors and do not impersonate another project or creator.
The supply is the number of copies of the same NFT to mint.
A supply of 1 creates one copy. A higher supply allows multiple copies of the same Token ID to exist.
Choose supply according to the work's purpose; do not manufacture false scarcity merely by calling something “limited.”
The description can cover:
Do not promise returns or future prices that cannot be guaranteed.
An external link can point to the creator's official website, a project introduction, or a related page.
Use a long-lived domain you actually control. Do not add unrelated promotional or download links.
Attributes, or Traits, can describe the NFT's background, color, clothing, character, skills, or other features.
They affect how an NFT is searched, filtered, and displayed for rarity on a marketplace.
Use consistent naming. For example, multiple spellings for one color may cause a marketplace to treat them as different attributes.
After uploading the media and checking the metadata, select Mint.
The wallet will display a minting transaction. Confirm again:
Then submit the transaction.
After blockchain validation, the NFT is created and recorded under the specified wallet address.
Under OpenSea's official flow, directly created NFTs use ERC-1155 and can have a configurable supply. A supply of 1 produces only one copy.
After a successful mint, record:
You can use this information later to verify the NFT's authenticity.
The NFT itself is recorded on the blockchain, but its image, video, or music may not be stored entirely on-chain.
Common storage methods include:
Fully on-chain storage reduces external dependencies, but it is expensive and unsuitable for large files.
Conventional servers are convenient, but an NFT's image may disappear if the server shuts down or the file path changes.
IPFS locates files using content-based identifiers. The IPFS best practices for NFT data advise creators to consider file links, metadata format, and long-term preservation together.
Uploading a file to IPFS does not guarantee permanent storage. Creators still need reliable nodes or a pinning service to keep the file available.
Whether metadata can be changed depends on the smart contract and creation tool.
Some NFTs let creators update the name, description, image, or attributes. Others freeze metadata at a certain point and prevent later changes.
OpenSea currently states that some NFTs created with Studio can have their media, name, and description updated, although saving on-chain changes may require a signature and gas.
When creating an NFT, clarify:
Editability helps fix errors and update dynamic assets, but it also requires holders to trust that the permission holder will not maliciously replace the content.
NFT minting has no fixed price. Its main cost components are listed below.
Creating an NFT collection for the first time may require contract deployment, which normally consumes more gas than a standard transfer.
Each transaction that creates an NFT on-chain may incur a minting fee.
If changing NFT information requires an on-chain transaction, it may consume additional gas.
Some platforms may charge for specific creation, sale, or Drop processes. Rates can change, so rely on the confirmation page and official fee information.
An IPFS pinning service, cloud storage, or another long-term preservation method may have storage costs.
According to OpenSea's gas fee guide, creating an NFT collection in OpenSea Studio requires contract deployment, and both deployment and minting consume gas.
Gas is paid through the wallet to blockchain validators. OpenSea will not ask you to transfer a supposed gas fee to a private wallet address.
Consider the following measures:
Low gas does not necessarily make a network or platform right for a project. Also consider user numbers, wallet support, market liquidity, and security.
Possible reasons include:
Check the following:
If a blockchain explorer shows that the correct wallet address owns the NFT, the NFT may still exist even when its image is temporarily missing.
A mint may fail because:
To troubleshoot:
Do not trust strangers in direct messages who claim a transfer can “repair a failed mint.” Legitimate gas is paid through wallet transactions, not sent to a private address supplied by support.
After an NFT is created in your wallet, you can list it on a marketplace that supports its network and standard.
The general process is:
A successful mint does not guarantee a sale. Demand depends on the work, creator, utility, community, price, and market liquidity.
For the trading process, see How to Buy and Sell NFTs: OpenSea and Blur Tutorial.
Some NFT contracts and marketplaces let creators receive a share of secondary sales, also called creator earnings or NFT royalties.
Royalty settings usually record a recipient address and rate, but whether they are enforceable across every marketplace depends on the contract and marketplace rules.
Before setting royalties, confirm:
Do not treat NFT royalties as permanent, stable, unconditional income. Changes in marketplace policy or trading methods can affect actual payments.
Downloading someone else's image and minting it does not grant the minter copyright.
Using film, game, or television characters, brand logos, or trademarks without permission may infringe relevant rights.
When using AI-generated work, review the tool's terms, disputes surrounding training material, and the scope of commercial authorization.
Collaborators should agree in advance on attribution, revenue, copyright, and NFT issuance rights.
Creators should clearly state whether buyers may display, copy, modify, or commercially use the work.
Minting only creates an on-chain token; it does not automatically resolve real-world copyright ownership.
Scammers may copy an NFT platform or project page to trick users into connecting a wallet.
A fake website may ask for permission to transfer all of a user's NFTs or tokens.
No legitimate support representative should ask for a seed phrase, private key, or wallet password.
Gas is paid through a wallet transaction and does not need to be sent to an address supplied by a stranger.
A vulnerable custom NFT contract can enable unauthorized issuance, lock assets, or cause loss of permission control.
Without long-term preservation of the work and metadata, the NFT image may become inaccessible.
Visit Hotcoin Web3 Wallet to learn about wallet and Web3 features, or download the Hotcoin App for mobile access.
Before using a wallet to mint, confirm that:
Minting turns a digital work into a blockchain NFT. A user prepares an original work, a Web3 wallet, a target blockchain, and assets for gas, then completes the mint through a smart contract.
For a first NFT, a no-code tool such as OpenSea Studio can handle contract deployment, media uploads, metadata, supply confirmation, and minting.
A successful mint proves only that the NFT was created on the blockchain. It does not guarantee market value or automatically give the minter copyright in the underlying content.
Creators must also consider file storage, contract permissions, holder rights, market demand, and long-term maintenance. Verify the official website, wallet transaction, and smart contract information, and test the process with a small amount first.
Visit the Hotcoin website for more NFT and Web3 educational content.


