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How to Create & Mint NFTs: Complete Beginner's Guide

Learn how to create, mint, and sell your first NFT with this step-by-step guide covering everything from choosing a blockchain to marketing your digital art.

By wlec|
How to Create & Mint NFTs: Complete Beginner's Guide

How to Create & Mint NFTs: Complete Beginner's Guide

The world of Non-Fungible Tokens (NFTs) has opened unprecedented opportunities for artists, creators, and collectors. Whether you're a digital artist, musician, photographer, or content creator, NFTs provide a way to monetize your work directly and retain creative control. This comprehensive guide will walk you through every step of creating and minting your first NFT, from concept to sale.

What Are NFTs?

Non-Fungible Tokens (NFTs) are unique digital assets stored on a blockchain. Unlike cryptocurrencies such as Bitcoin or Ethereum, which are fungible (each unit is identical and interchangeable), NFTs are one-of-a-kind or part of limited editions. Each NFT contains metadata that proves ownership and authenticity, making it impossible to duplicate or forge.

Key characteristics of NFTs:

  • Uniqueness: Each NFT has distinct properties that make it different from others
  • Ownership: Blockchain technology provides verifiable proof of ownership
  • Transferability: NFTs can be bought, sold, or traded on various marketplaces
  • Programmability: Smart contracts enable features like royalties and unlockable content
  • Scarcity: Creators can limit the supply of their NFTs

NFTs can represent virtually anything digital: artwork, music, videos, virtual real estate, gaming items, collectibles, domain names, and even tweets. The technology has created new revenue streams for creators while giving collectors verifiable ownership of digital items.

Choosing Your Blockchain

The first major decision you'll make is which blockchain to mint your NFT on. Each blockchain has different characteristics regarding cost, speed, environmental impact, and marketplace availability.

Ethereum

Pros:

  • Most established NFT ecosystem with the largest marketplaces
  • Highest liquidity and trading volume
  • Strong security and decentralization
  • Widest variety of NFT projects and communities

Cons:

  • Higher gas fees during network congestion
  • Slower transaction times during peak usage
  • Energy-intensive (though transitioning to proof-of-stake has improved this)

Best for: High-value art, established artists, projects seeking maximum exposure

Solana

Pros:

  • Extremely low transaction fees (typically less than $0.01)
  • Fast transaction speeds (sub-second finality)
  • Growing NFT ecosystem with dedicated marketplaces
  • Energy-efficient proof-of-history consensus

Cons:

  • Smaller market compared to Ethereum
  • Occasional network outages
  • Fewer marketplace options
  • Less mature smart contract ecosystem

Best for: Generative art projects, high-volume creators, cost-conscious beginners

Polygon

Pros:

  • Layer 2 solution with near-zero gas fees
  • Full compatibility with Ethereum
  • Supported by major marketplaces like OpenSea
  • Environmentally friendly

Cons:

  • Requires bridging assets from Ethereum
  • Smaller dedicated collector base
  • Less prestige than mainnet Ethereum

Best for: Beginners testing the waters, creators wanting Ethereum compatibility without high fees

Other Options

Tezos: Energy-efficient, low fees, strong art community Flow: Built for NFTs, home to NBA Top Shot Arbitrum: Ethereum Layer 2 with growing adoption Base: Coinbase's Layer 2 solution gaining traction

For beginners, we recommend starting with Polygon for its low costs and ease of use, or Solana if you prefer a completely separate ecosystem with minimal fees.

Creating Your Art or Content

Before minting, you need digital content. The quality and uniqueness of your work will largely determine its success in the NFT market.

Digital Art Formats

NFT marketplaces support various file formats:

  • Images: JPG, PNG, GIF, SVG
  • Video: MP4, WEBM, MOV
  • Audio: MP3, WAV, OGG
  • 3D Models: GLB, GLTF
  • Interactive: HTML files (some marketplaces)

Technical recommendations:

  • Resolution: Minimum 1920x1920 pixels for artwork
  • File size: Under 100MB for most marketplaces (50MB recommended)
  • Color space: RGB for digital displays
  • Format: PNG for transparency, JPG for photographs

Creating Original Content

The most successful NFTs typically share these qualities:

  1. Originality: Unique style or concept that stands out
  2. Quality: Professional execution and attention to detail
  3. Story: Compelling narrative or meaning behind the work
  4. Consistency: Cohesive style across collections
  5. Utility: Some NFTs offer additional benefits beyond ownership

Tools for creation:

  • Digital art: Adobe Photoshop, Procreate, Clip Studio Paint, Blender (3D)
  • Generative art: Processing, p5.js, Art Blocks Engine
  • AI-assisted: Midjourney, DALL-E, Stable Diffusion (ensure you own commercial rights)
  • Photography: Lightroom, Photoshop, Capture One
  • Music: Ableton, FL Studio, Logic Pro

Important: Ensure you have full rights to your work. Don't mint copyrighted material, traced art, or AI-generated content where you don't own commercial rights.

Choosing a Marketplace

Different marketplaces cater to different blockchains, audiences, and types of NFTs.

OpenSea

Overview: The largest and most popular NFT marketplace supporting Ethereum, Polygon, Solana, and other chains.

Features:

  • No upfront minting costs (lazy minting available)
  • Support for multiple blockchains
  • Collection management tools
  • Robust search and discovery features
  • Offers system for making bids

Best for: Beginners and creators seeking maximum visibility

Fees: 2.5% marketplace fee on sales

Magic Eden

Overview: Leading Solana NFT marketplace, also supporting Ethereum, Polygon, and Bitcoin Ordinals.

Features:

  • Extremely low fees on Solana
  • Clean, user-friendly interface
  • Strong community features
  • Launchpad for new projects
  • Comprehensive analytics

Best for: Solana creators, gaming NFTs, multi-chain projects

Fees: 0% marketplace fee (as of 2025)

Blur

Overview: Pro-trader focused marketplace emphasizing speed and advanced features.

Features:

  • Zero marketplace fees
  • Advanced trading tools
  • Portfolio management
  • Aggregated listings from other marketplaces
  • Airdrop rewards for users

Best for: Experienced traders, high-volume collectors

Fees: 0% marketplace fee, optional creator royalties

Other Notable Marketplaces

  • Foundation: Curated platform for high-quality art
  • SuperRare: Exclusive single-edition digital art
  • Rarible: Community-governed marketplace with RARI token
  • LooksRare: Ethereum marketplace with trading rewards
  • Tensor: Solana-focused with advanced features

Step-by-Step Minting Guide

Let's walk through minting your first NFT on OpenSea using Polygon (recommended for beginners due to low costs).

Step 1: Set Up Your Crypto Wallet

Download MetaMask:

  1. Visit metamask.io and install the browser extension
  2. Create a new wallet or import existing one
  3. CRITICAL: Write down your seed phrase on paper and store it securely offline
  4. Never share your seed phrase with anyone

Add Polygon Network:

  1. Click the network dropdown in MetaMask (shows "Ethereum Mainnet")
  2. Select "Add Network" → "Polygon"
  3. Confirm the network addition

Fund Your Wallet:

  1. Purchase ETH or MATIC on an exchange (Coinbase, Binance, Kraken)
  2. For Polygon: Bridge ETH to MATIC using the Polygon Bridge or buy MATIC directly
  3. Withdraw to your MetaMask wallet address
  4. You'll need approximately $5-20 for gas fees (varies by network)

Step 2: Connect to OpenSea

  1. Visit opensea.io
  2. Click "Connect Wallet" in the top right
  3. Select MetaMask and approve the connection
  4. Sign the message to verify ownership (costs nothing)
  5. Complete your profile: username, bio, profile image, banner

Step 3: Create a Collection

Before minting individual NFTs, create a collection:

  1. Click your profile icon → "Studio" → "Create a collection"
  2. Upload collection logo (350x350px recommended)
  3. Upload featured image (600x400px)
  4. Upload banner image (1400x400px)
  5. Enter collection name and URL slug
  6. Write a compelling description explaining your art and vision
  7. Select category that best fits your work
  8. Add social links (Twitter, Instagram, Discord, website)
  9. Choose blockchain (select Polygon for low fees)
  10. Set payment tokens you'll accept
  11. Set creator earnings (royalties, explained below)
  12. Click "Create"

Step 4: Mint Your NFT

  1. Go to your collection and click "Add item"
  2. Upload your digital file (image, video, audio, or 3D model)
  3. Enter the name of your NFT
  4. Add an external link (optional - your website or additional content)
  5. Write a detailed description:
    • What the piece represents
    • Inspiration behind it
    • Techniques used
    • Edition information
  6. Select collection where it belongs
  7. Add properties and attributes (optional but helpful for collections):
    • Traits like "Background: Blue" or "Style: Abstract"
    • Levels for progression attributes
    • Stats for numeric values
  8. Choose supply:
    • Single edition (1/1)
    • Multiple editions (specify quantity)
  9. Select blockchain (Ethereum or Polygon)
  10. Click "Create" - your NFT is now minted!

Note: OpenSea uses lazy minting, meaning the NFT isn't written to the blockchain until the first purchase, saving you upfront gas fees.

Step 5: List Your NFT for Sale

  1. Navigate to your newly minted NFT
  2. Click "Sell"
  3. Choose listing type:
    • Fixed price: Set a specific price
    • Timed auction: Highest bidder wins
    • Dutch auction: Price decreases over time
  4. Set your price (consider researching similar works)
  5. Set duration (1 day, 3 days, 1 week, 1 month, or custom)
  6. Choose to reserve for specific buyer (optional)
  7. Review details and click "Complete listing"
  8. Approve the transaction in MetaMask
  9. Pay the gas fee (very low on Polygon, can be $0.01-$0.50)

Your NFT is now live and listed for sale!

Setting Royalties

One of the most powerful features of NFTs is programmable royalties - you earn a percentage every time your NFT is resold on secondary markets.

How Royalties Work

When you set a royalty percentage (typically 5-10%), you automatically receive that percentage of every future sale. For example:

  • You sell an NFT for 0.1 ETH
  • Buyer A resells it for 1 ETH
  • You receive 0.05-0.1 ETH (5-10%) automatically
  • Buyer B resells it for 2 ETH
  • You receive 0.1-0.2 ETH again

This creates ongoing passive income from your work as it appreciates in value.

Setting Royalties on OpenSea

  1. When creating or editing a collection, find "Creator Earnings"
  2. Enter your wallet address (where royalties will be sent)
  3. Set percentage (1-10%, with 5-7.5% being standard)
  4. Save changes

Important considerations:

  • Some marketplaces (like Blur) make royalties optional
  • Higher royalties may deter flippers but reward long-term holders
  • Industry standard is 5-10%
  • You can split royalties among multiple addresses for collaborations

The Royalty Debate

As of 2025, royalty enforcement has become contested:

  • Pro-royalty platforms: Foundation, SuperRare, OpenSea (enforced for new collections)
  • Optional royalties: Blur, LooksRare, Magic Eden
  • Creator benefits: Ongoing revenue, value recognition
  • Trader perspective: Lower fees increase liquidity

Many creators now view the initial sale as their primary revenue source, with royalties as a bonus rather than expectation.

Gas Fees Explained

Gas fees are transaction costs paid to blockchain networks for processing and validating transactions.

What Determines Gas Fees?

  1. Network congestion: More demand = higher fees
  2. Transaction complexity: Simple transfers cost less than complex smart contract interactions
  3. Speed preference: Pay more for faster processing
  4. Blockchain choice: Ethereum has highest fees, Layer 2s and alternative chains are cheaper

Gas Costs by Blockchain (2025 estimates)

  • Ethereum: $5-$50 (can spike to $100+ during high demand)
  • Polygon: $0.01-$0.50 (negligible)
  • Solana: $0.00025-$0.01 (essentially free)
  • Arbitrum: $0.10-$2
  • Base: $0.05-$1

Minimizing Gas Fees

  1. Use Layer 2 solutions: Polygon, Arbitrum, Optimism
  2. Choose alternative chains: Solana, Tezos
  3. Use lazy minting: OpenSea doesn't charge until first sale
  4. Time your transactions: Ethereum fees are lowest on weekends and late at night (UTC)
  5. Batch operations: Mint multiple NFTs in one transaction
  6. Monitor gas prices: Use etherscan.io/gastracker

When You Pay Gas

  • Creating collection: Often free (lazy loading)
  • Minting individual NFTs: Free with lazy minting, otherwise 1x gas fee
  • Listing for sale: Free on most modern marketplaces
  • Accepting offers: 1x gas fee
  • Transferring NFTs: 1x gas fee
  • Canceling listings: 1x gas fee on Ethereum, free on some platforms

Marketing Your NFT

Creating great art is only half the battle - successful NFT creators are also effective marketers.

Build Your Community Before Launching

Twitter/X Strategy:

  1. Create a dedicated creator account
  2. Share work-in-progress content
  3. Engage with NFT communities and hashtags
  4. Post consistently (daily or several times per week)
  5. Use relevant hashtags: #NFT #NFTart #cryptoart #NFTcommunity
  6. Showcase your process and behind-the-scenes content

Discord:

  1. Join NFT communities relevant to your niche
  2. Participate genuinely (don't just promote)
  3. Create your own Discord server as you grow
  4. Host AMAs and community events

Instagram:

  1. Post high-quality images of your work
  2. Use Reels to show creation process
  3. Engage with art communities
  4. Link to your NFT profiles

Launch Strategy

  1. Tease your collection: Share previews 1-2 weeks before launch
  2. Set a launch date: Create anticipation
  3. Offer early access: Reward early supporters
  4. Price strategically: Research comparable work, consider starting lower to build momentum
  5. Create scarcity: Limited editions increase demand
  6. Tell your story: Share what makes your work unique

Ongoing Promotion

  • Engage with collectors: Thank buyers, share their collections
  • Cross-promote: Partner with other artists
  • Participate in spaces: Twitter Spaces, Discord voice chats
  • Create utility: Offer perks to holders (exclusive content, airdrops, IRL benefits)
  • Stay consistent: Regular releases keep collectors engaged

Platforms for Promotion

  • Twitter/X: Primary hub for NFT community
  • Discord: Community building and engagement
  • Instagram: Visual showcase
  • TikTok: Behind-the-scenes and educational content
  • Reddit: r/NFT, r/CryptoArt
  • NFT-specific platforms: NFT Calendar, Rarity Tools

While organic growth is ideal, some creators invest in:

  • Twitter ads
  • Influencer partnerships
  • NFT promotion services
  • Featured placements on marketplaces

Warning: Be cautious of promotion scams promising guaranteed sales or viral reach.

Common Mistakes to Avoid

Learning from others' mistakes can save you time, money, and frustration.

Technical Mistakes

  1. Not securing your seed phrase: Write it on paper, store in a safe location, never digitally
  2. Choosing wrong blockchain: Consider your audience and fees before minting
  3. Poor file quality: Low-resolution images look unprofessional
  4. Incorrect metadata: Typos or missing information reduce discoverability
  5. Not testing: Mint a test NFT before launching a full collection
  6. Forgetting to set royalties: Can't be changed after minting on some platforms

Marketing Mistakes

  1. No community building: Launching without an audience leads to poor sales
  2. Overpricing: New artists should price competitively to gain traction
  3. Inconsistent posting: Disappearing after launch hurts long-term success
  4. Only self-promoting: Engage genuinely with the community
  5. Copying trends: Stand out with originality rather than following fads
  6. Ignoring collectors: Thank and engage with people who support your work
  1. Minting others' work: Only mint content you created or have rights to
  2. Misleading descriptions: Be honest about your work and process
  3. Pump and dump: Building hype then abandoning projects damages reputation
  4. Ignoring taxes: NFT sales are taxable events in most jurisdictions
  5. Not disclosing AI use: Transparency about AI-assisted creation builds trust

Financial Mistakes

  1. Investing more than you can afford: Start small with minimal upfront costs
  2. Not researching floor prices: Understand market rates for similar work
  3. Panic selling: Don't slash prices at first sign of slow sales
  4. Neglecting gas fees: Budget for transaction costs
  5. Not diversifying: Don't put all resources into a single collection

Frequently Asked Questions

Do I need to be an artist to create NFTs?

No! While visual art is popular, NFTs can represent music, writing, photography, videos, virtual goods, and more. If you create digital content, you can mint NFTs.

How much does it cost to mint an NFT?

Costs vary by blockchain:

  • Polygon/Solana: Nearly free ($0.01-$1)
  • Ethereum: $5-$50+ in gas fees
  • Many platforms offer free lazy minting (fee paid by buyer)

Budget $10-$100 to start, depending on your chosen blockchain and marketplace.

Can I mint physical artwork as NFTs?

Yes! Photograph or scan your physical art to create a high-quality digital version, then mint it. Some artists offer the physical piece to NFT buyers, others keep them separate.

How do I price my first NFT?

Research similar artists and comparable work on your chosen platform. For beginners, consider starting with lower prices (0.01-0.1 ETH or $10-$100) to build momentum and collector base. You can always increase prices as demand grows.

What happens if my NFT doesn't sell?

That's okay! Most NFTs don't sell immediately. Continue creating, building your community, and improving your marketing. You can:

  • Adjust pricing
  • Relist with better descriptions
  • Create more pieces to build a collection
  • Engage more actively with the community

Can I delete or edit an NFT after minting?

Generally, no. Once minted to the blockchain, the NFT's core data is immutable. However, you can:

  • Update metadata on some platforms (description, properties)
  • Burn (destroy) the NFT
  • Transfer it to a dead wallet

This is why testing and careful review before minting is crucial.

Do I need cryptocurrency to start?

Yes, you'll need:

  • Small amount of cryptocurrency for gas fees (even if minimal)
  • Crypto wallet like MetaMask
  • Understanding of basic wallet operations

Start with $20-$50 in crypto to cover initial fees and testing.

How do taxes work for NFT sales?

NFT sales are generally taxable events. In most jurisdictions:

  • Selling NFTs = capital gains tax
  • Receiving royalties = income tax
  • Buying NFTs = basis for future capital gains calculation

Consult a tax professional familiar with cryptocurrency. Keep detailed records of all transactions.

What makes an NFT valuable?

Value comes from:

  • Artist reputation and following
  • Artistic quality and uniqueness
  • Scarcity (limited editions)
  • Community and cultural significance
  • Utility (access, benefits, membership)
  • Historical importance
  • Market demand

Should I create a single NFT or a collection?

Both approaches work:

  • Single pieces (1/1s): Better for unique, high-quality art pieces
  • Collections: Better for building community, creating anticipation, and generating more sales volume

Many successful creators do both - collections for consistent releases, 1/1s for special pieces.

How long does minting take?

The actual minting process takes seconds to minutes. However, total time includes:

  • Creating the art: Hours to weeks
  • Setting up wallet and accounts: 30-60 minutes
  • Creating collection and minting: 15-30 minutes
  • Listing for sale: 5-10 minutes

Your first end-to-end process might take 1-2 hours after the artwork is complete.

Can I mint the same artwork on multiple blockchains?

Technically yes, but it's generally discouraged. Minting the same piece multiple times can:

  • Confuse collectors about which is "authentic"
  • Dilute scarcity and value
  • Damage your reputation

Choose one blockchain for each piece. However, creating variations or different editions is acceptable if clearly communicated.

Next Steps: Growing Your NFT Career

Now that you understand the fundamentals of creating and minting NFTs, consider these advanced topics:

  1. Learn about NFT trading strategies: Understand market dynamics and collector behavior by reading our NFT Trading Strategies & Market Analysis guide
  2. Explore generative art: Create algorithmic art that generates unique variations
  3. Build utility: Add perks for holders like exclusive content, physical merchandise, or community access
  4. Collaborate: Partner with other creators for cross-promotion and combined projects
  5. Stay informed: NFT technology and markets evolve rapidly - follow industry news and trends
  6. Experiment: Try different styles, formats, and platforms to find what resonates
  7. Document your journey: Share your process to build authentic connections with collectors

Conclusion

Creating and minting NFTs opens exciting possibilities for artists and creators to monetize their work, build communities, and participate in the digital ownership revolution. While the technology may seem daunting at first, the step-by-step process is accessible to anyone willing to learn.

Start small, focus on creating quality work, engage authentically with communities, and be patient. Success in the NFT space rarely happens overnight, but with consistency and genuine creativity, you can build a sustainable presence.

The most important steps are: create original work you're proud of, choose the right blockchain and marketplace for your needs, engage with your community, and never stop learning. The NFT ecosystem continues to evolve, offering new opportunities for creators willing to adapt and grow.

Your first NFT mint is just the beginning of your journey. Welcome to the world of digital ownership and creative possibility!

Sources

Disclaimer: This guide is for educational purposes only and should not be considered financial advice. Cryptocurrency investments carry significant risk. Always do your own research before making investment decisions.