NFT Non-Fungible Token

November 16, 2023 by LikewolfPortrait of Artist, Musician, Author, and Publisher Likewolf

NFT meaning and definition

NFTs, short for Non-Fungible Tokens, are unique digital assets that represent ownership of a specific item or piece of content on the blockchain. Unlike cryptocurrencies like Bitcoin or Ethereum, which are fungible and interchangeable, each NFT is distinct and cannot be exchanged on a one-to-one basis. This uniqueness is what makes NFTs so valuable and versatile in the digital world.

Photo of a Andy Warhol set against a colorful background. The background is a collage of purple, blue, and orange colors with text that reads Bock Schroeder Limited Edition and NFT Limited Edition.
Andy Warhol NFT - Call me Andy #32

"Call me Andy" is a collection of 1.000 unique NFTs created and issued by the Bock-Schroeder Foundation.


An NFT, or Non-Fungible Token, is a unique digital asset that represents ownership or proof of authenticity for a specific item or piece of content using blockchain technology. Unlike traditional digital files that can be easily copied, NFTs are stored on a blockchain, providing a secure and verifiable way to track ownership and provenance.

NFT technology explained

The foundation of NFTs lies in blockchain technology, which is a decentralized and transparent ledger. NFTs are created, bought, and sold using smart contracts, self-executing agreements with predefined rules.

When an NFT is minted, it is recorded on the blockchain, and ownership is verified through the blockchain's decentralized network of nodes.

This immutable and secure system ensures the provenance and authenticity of NFTs.

Non-Fungible Tokens (NFTs) have captured the imagination of the digital world and are rapidly transforming the landscape of ownership and authenticity.

NFT Use Cases

NFTs, or Non-Fungible Tokens, have taken the digital world by storm, transforming the way we perceive ownership and authenticity in the digital world.

The term "NFT" has become increasingly prominent, making headlines in the worlds of art, gaming, entertainment, and beyond.

Digital Art NFTs

Digital Art NFTs have revolutionized the art world by allowing artists to tokenize their creations on blockchain platforms like Ethereum.

These tokens represent ownership and provenance of digital artworks, ensuring artists receive recognition and compensation for their work.

Buyers of digital art NFTs not only gain ownership but also a digital certificate of authenticity, making it easy to verify the originality of the piece.

This innovation has opened new avenues for artists to monetize their work, engage with a global audience, and eliminate concerns about counterfeit reproductions.

The NFT market for digital art has experienced exponential growth, with high-profile sales that have garnered blue chip art valuations and demand reaching multi-millions in dollars, heralding a new golden age for digital artists and forward-thinking art collectors.

Collectibles NFTs

Collectibles NFTs introduce the passion for collecting to the digital world. These tokens represent a wide range of virtual items, from trading cards to virtual pets and toys.

NFT collectors are drawn to these digital treasures not only for their intrinsic value but also for their scarcity and uniqueness.

The blockchain ensures transparent ownership and provenance, allowing collectors to trade, sell, or display their digital collectibles with confidence.

Platforms like NBA Top Shot and CryptoKitties have popularized this trend, creating vibrant communities of collectors and enthusiasts.

Virtual Real Estate NFTs

Virtual Real Estate NFTs have found a home in the growing metaverse and virtual world ecosystems.

Users can purchase and own virtual land, buildings, and properties as NFTs on blockchain-based platforms.

These digital assets can be developed, monetized, or simply owned for prestige within the virtual environment.

Virtual real estate is not limited to gaming; it extends to social VR platforms, decentralized metaverse projects, and virtual galleries.

As the metaverse concept gains momentum, virtual real estate NFTs are becoming sought-after investments and status symbols, blurring the lines between the physical and digital worlds.

Gaming NFTs

Gaming NFTs have transformed the gaming industry by allowing in-game items, characters, skins, and accessories to be tokenized on blockchain platforms.

Players can buy, sell, or trade these digital assets within the game or on NFT marketplaces.

This innovation empowers gamers with true ownership and the ability to transfer assets between games or users.

Gaming companies are increasingly embracing NFTs as a way to create player-driven economies and enhance the gaming experience.

NFTs have also introduced the concept of "play-to-earn," where gamers can earn real value through their in-game activities, fostering a new era of gaming and economic opportunities.

Music NFTs

Music NFTs offer musicians and artists a novel way to monetize their work and connect with fans.

Artists can release exclusive music tracks, albums, concert tickets, or even virtual experiences as NFTs.

Owners of these tokens often receive special perks such as access to private shows, backstage content, or a share of royalties.

Music NFTs have the potential to reshape the music industry by providing artists with direct access to their audience and new revenue streams.

They also enable fans to support their favorite artists while gaining access to unique and personalized music experiences.

Fashion NFTs

Fashion NFTs bridge the gap between the physical and digital fashion worlds. Brands and designers create limited-edition digital clothing, wearables, or accessories as NFTs.

These virtual fashion items can be worn or displayed in virtual worlds, social media profiles, or even used as avatars.

Fashion NFTs empower users to express themselves through digital fashion, blurring the lines between online and offline style.

They also offer opportunities for brands to explore sustainability and reduce waste by focusing on virtual fashion.

Film and Entertainment NFTs

Film and Entertainment NFTs have introduced new ways to engage with fans and monetize content.

Movie studios and content creators release exclusive movie posters, scenes, merchandise, and other digital collectibles as NFTs.

Owners of these tokens may gain access to unique content, behind-the-scenes footage, or even influence the direction of a film.

Film and Entertainment NFTs enhance the fan experience by providing tangible and unique ways to connect with their favorite movies, TV shows, and celebrities.

Sports NFTs

Sports NFTs have transformed the sports memorabilia market by tokenizing iconic sports moments, collectibles, and fan experiences.

Sports organizations and athletes have embraced NFTs as a means to connect with fans and monetize their brand.

Fans can own and trade virtual representations of game-winning shots, memorable plays, and athlete-autographed digital items.

This trend has created a vibrant community of sports collectors and fans who engage with their favorite sports in new and exciting ways.

Domain Names NFTs

Domain Names NFTs represent unique web addresses that are recorded on blockchain platforms.

These NFTs offer users secure and verifiable ownership of domain names, simplifying the process of buying, selling, and transferring web addresses.

They also introduce scarcity and uniqueness to the domain market, attracting investors and domain enthusiasts.

Tokenized Real Estate NFTs

Tokenized Real Estate NFTs bring the traditional real estate market onto the blockchain.

Physical properties are represented as NFTs, allowing for fractional ownership, seamless property transactions, and increased liquidity.

This innovation has the potential to democratize real estate investment, making it more accessible to a global audience.

Virtual Goods NFTs

Virtual Goods NFTs encompass a wide range of digital items within virtual worlds, such as clothing, accessories, weapons, and furniture.

These items are often used for personalization and customization within virtual environments, enabling users to express their creativity and style.

Virtual Goods NFTs enhance the immersive nature of virtual worlds and metaverse platforms.

Educational and Certification NFTs

Educational and Certification NFTs offer a secure and verifiable way to record academic achievements and qualifications.

These NFTs are issued by educational institutions and organizations and provide individuals with a digital proof of their skills and credentials.

They contribute to the verification and recognition of qualifications in a digital age.

Virtual Pets NFTs

Virtual Pets NFTs harken back to the concept of digital pets like Tamagotchis.

Users care for and nurture these virtual companions, which often have unique traits and characteristics.

Virtual Pets NFTs offer a blend of nostalgia and digital interaction, appealing to a wide range of users.

NFT Tickets

NFT Tickets have revolutionized the ticketing industry by providing secure and tamper-resistant event tickets.

These digital tickets are stored as NFTs on blockchain platforms, ensuring authenticity and reducing the risk of scalping and fraud.

Event organizers and attendees benefit from the transparency and convenience of NFT-based ticketing.

Legal and Licensing NFTs

Legal and Licensing NFTs are used to represent legal contracts, intellectual property licenses, and patents.

These NFTs provide a transparent and secure way to manage and enforce legal agreements in various industries, including law, intellectual property, and licensing.

Healthcare and Medical Records NFTs

Healthcare and Medical Records NFTs aim to revolutionize healthcare data management.

These NFTs represent patient records, medical histories, and healthcare certifications, ensuring the security, privacy, and accessibility of healthcare information.

Patients can have control over who accesses their medical records, and healthcare providers can ensure the authenticity of patient data.

Medical professionals and institutions can streamline data sharing while maintaining compliance with privacy regulations.

NFT ecosystem

The world of NFTs continues to expand and diversify, with new use cases emerging regularly.

While these products represent the current landscape of NFTs, it's important to note that the NFT space is dynamic and evolving.

Innovations and applications will continue to shape the NFT ecosystem, providing exciting opportunities for creators, collectors, and industries alike.

These NFT products collectively reflect the transformative power of blockchain technology and its ability to redefine ownership, provenance, and interaction in the digital realm.

Whether it's the art world, gaming industry, entertainment sector, or real estate market, NFTs have the potential to revolutionize how we engage with and value digital assets.

At the core of the NFT revolution lies a profound transformation in how we perceive and value digital assets.

Top NFT Marketplaces

NFTs are bought and sold on various online platforms, known as NFT marketplaces. Notable marketplaces include OpenSea, Rarible, and NBA Top Shot.

OpenSea is one of the largest and most popular NFT marketplaces, known for its wide range of digital collectibles, art, virtual real estate, and more.

It has a user-friendly interface and a diverse community of creators and collectors.

OpenSea supports multiple blockchain networks, including Ethereum and Polygon, broadening the range of available NFTs.

How Do NFTs Work?

To understand how NFTs work, it's essential to explore the underlying technology: blockchain and smart contracts.

Blockchain is a decentralized and transparent digital ledger that records transactions across a network of computers (nodes).

Each transaction is added to a chain of blocks, creating an immutable history of all transactions.

This technology is the backbone of cryptocurrencies and, by extension, NFTs.

NFTs are created, bought, and sold using smart contracts, which are self-executing agreements with predefined rules.

These contracts govern various aspects of NFTs, including their creation, transfer, and ownership.

When an NFT is minted, the details of the item or content, along with ownership information, are encoded into the smart contract.

This information is then stored on the blockchain, making it publicly accessible and tamper-resistant.

Smart contracts also facilitate the transfer of NFT ownership. When you purchase or receive an NFT, the ownership records on the blockchain are updated to reflect the new owner.

This process is executed automatically, eliminating the need for intermediaries and ensuring the authenticity of the transaction.

The decentralized nature of blockchain technology ensures that NFT ownership is not dependent on any single entity, making it resistant to censorship and fraud.

The blockchain network, consisting of nodes worldwide, collectively verifies and maintains the ledger, providing a high level of security and transparency.

NFTs are digital tokens and they are more than just collectibles; they represent a fundamental shift in how we define ownership and authenticity in the digital age.

The combination of uniqueness, blockchain technology, and smart contracts makes NFTs a groundbreaking innovation with far-reaching implications for various industries, from art and gaming to entertainment and beyond.

How to Buy and Sell NFTs

Participating in the NFT marketplace can be an exciting but sometimes complex experience, especially for newcomers. Here's a guide to getting started:

  • Choose a Marketplace: Begin by selecting an NFT marketplace that aligns with your interests and goals. Ensure it supports the blockchain network you intend to use, such as Ethereum, Polygon, or others.

  • Create a Wallet: To interact with NFT marketplaces, you'll need a cryptocurrency wallet that supports the blockchain of your chosen marketplace. Wallets like MetaMask and Trust Wallet are popular options.

  • Fund Your Wallet: Transfer cryptocurrency (usually Ethereum) into your wallet to cover transaction fees and NFT purchases.

  • Browse and Purchase: Explore the marketplace to discover NFTs that interest you. Once you find an NFT you'd like to buy, place a bid or purchase it directly if it's listed for a fixed price.

  • List NFTs for Sale: If you're a creator or collector looking to sell NFTs, you can create listings on the marketplace. Follow the platform's guidelines to list your NFTs for sale.

  • Complete Transactions: When you buy or sell an NFT, the transaction is recorded on the blockchain. Ensure you're using a secure and reputable marketplace to minimize the risk of fraud.

  • Manage Your NFTs: Your wallet will store the NFTs you own. You can choose to hold them as collectibles, resell them, or even showcase them in virtual galleries, depending on the marketplace's features.

  • Stay Informed: NFT marketplaces are dynamic, with new listings and trends emerging regularly. Stay informed about the latest developments and trends in the NFT space to make informed buying and selling decisions.

NFT marketplaces serve as the vibrant hubs of the NFT ecosystem, connecting creators, collectors, and enthusiasts.

They provide the infrastructure for discovering, trading, and showcasing NFTs, making them an integral part of the digital ownership revolution.

Whether you're looking to purchase unique digital collectibles, invest in digital art, or explore new creative frontiers as an artist, NFT marketplaces offer a world of opportunities in the expanding NFT landscape.

Creating and Minting NFTs

Photo of Gunther Sachs' bedroom with various NFT art pieces. The bed is covered in a dark gray comforter, the art pieces of a CryptoPunk 3100 and Bored Ape 1 are propped up against the wall.
Gunther Sachs with CryptoPunk #3100 and Bored Ape #1

The rise of NFTs represents a profound shift in the way we perceive and interact with digital assets. Each NFT represents ownership of a specific item or content


The ability to create and coin your own NFTs has democratized digital ownership and sparked a wave of creativity. Here's a step-by-step guide on how to create your NFT the "easy way". The more detailed and certainly better way is to create your own smart contract, for example with Ethereum's own programming language "Solidity".

Prepare Your Digital Asset

Begin by choosing the digital asset you want to tokenize as an NFT. This could be digital art, music, a video, a virtual item, or any digital file that holds value.

Ensure the file meets the specifications of the NFT marketplace you plan to use, including format and size.

Select an NFT Marketplace

Choose an NFT marketplace that supports the blockchain network you want to mint your NFT on.

Popular choices include Ethereum-based platforms like OpenSea, Rarible, and others.

Sign up for an account on the chosen marketplace.

Connect Your Wallet

Most NFT marketplaces require you to connect your cryptocurrency wallet to the platform.

Common wallet choices include MetaMask, Trust Wallet, and Coinbase Wallet.

Ensure your wallet is funded with the necessary cryptocurrency for transaction fees.

Upload Your Digital Asset

Upload your digital asset to the NFT marketplace.

The platform will guide you through the process, including adding details such as the title, description, and tags for your NFT.

Set Minting Parameters

Determine the minting parameters for your NFT. You can choose between minting a single edition of your NFT or creating multiple editions.

Set the royalty percentage you wish to receive on secondary sales (usually ranging from 5% to 10%).

Mint Your NFT

Confirm the minting process. This action creates a smart contract on the blockchain, representing your NFT.

The digital asset is now tokenized, and you'll receive the newly minted NFT in your wallet.

List Your NFT for Sale

Once your NFT is minted, you can choose to list it for sale on the marketplace.

Specify whether it's an auction-style listing or a fixed-price sale. You can also set a reserve price if desired.

Promote Your NFT

Promote your NFT on social media, in NFT communities, and among your network.

Building awareness and interest in your NFT is essential for attracting potential buyers.

Complete Transactions

When a buyer purchases your NFT, the transaction is recorded on the blockchain.

The buyer becomes the new owner, and you receive the proceeds in your wallet, minus any platform fees and royalties to other creators if applicable.

Manage Your NFT Portfolio

Keep track of your NFTs in your wallet and on the marketplace. You can choose to hold, sell, or trade your NFTs as you see fit.

NFT Standards: ERC-721 vs. ERC-1155

Understanding NFT token standards is crucial for both creators and collectors. The two primary standards are ERC-721 and ERC-1155, each with its unique characteristics

ERC-721: This standard is used for single, unique NFTs. It's ideal for digital assets that should have no duplicates, such as one-of-a-kind artworks or rare collectibles. ERC-721 NFTs are non-fungible by design and cannot be subdivided into smaller units.

ERC-1155: ERC-1155 is a more flexible standard that allows for the creation of both fungible and non-fungible tokens within the same smart contract. This means creators can mint a collection of NFTs with varying degrees of uniqueness. For example, you can have a series of digital trading cards where some cards are unique while others are part of a limited edition.

Whether you're an artist looking to showcase your work, a musician releasing exclusive tracks, or a gamer designing in-game assets, the NFT revolution has opened up exciting possibilities for creative expression and monetization in the digital world.

Navigating NFT Legalities

NFTs are not without their challenges and considerations. Legal and copyright issues can arise when creators use copyrighted material in their NFTs, requiring careful licensing and permissions.

Tax implications, such as capital gains and income tax, also need to be navigated as NFT transactions gain popularity.

The intersection of NFTs and intellectual property rights has raised important legal considerations for creators, buyers, and collectors. Here are key points to navigate the legalities of NFTs:

  • Intellectual Property Rights: When you create an NFT, you're essentially asserting ownership of the digital asset represented by the token. However, it's essential to recognize that minting an NFT doesn't automatically grant intellectual property rights unless you own the copyright or have the necessary permissions. Copyright law varies by country, so it's crucial to understand the legal framework in your jurisdiction.

  • Licensing and Permissions: If you're a creator using someone else's copyrighted material in your NFT, such as music, images, or characters, ensure you have the proper licenses or permissions. Licensing agreements should be clear and legally binding to avoid disputes down the road.

  • Provenance and Chain of Custody: NFTs provide a unique advantage in tracking the provenance (origin and ownership history) of digital assets. This can be valuable in copyright disputes or establishing ownership claims. Ensure that the metadata associated with your NFT accurately represents the ownership history.

  • Terms of Use: NFT marketplaces often have their terms of use, which govern how users can create, buy, and sell NFTs on the platform. Familiarize yourself with these terms to understand your rights and obligations as a user.

  • Legal Consultation: For complex legal matters related to NFTs, including copyright issues, it's advisable to consult with legal professionals who specialize in intellectual property law. They can provide guidance and ensure you're operating within the bounds of the law.

  • Capital Gains: In many jurisdictions, the sale of NFTs is subject to capital gains tax. This means that any profit made from selling an NFT may be taxable. The rate may vary based on factors such as how long you held the NFT before selling it.

  • Income Tax: If you're actively trading NFTs and generating income, this income may be subject to income tax. Keep accurate records of your NFT transactions for tax reporting purposes.

  • Cryptocurrency Reporting: Some countries require individuals to report cryptocurrency transactions, including the purchase of cryptocurrency used to buy NFTs. Ensure compliance with these reporting requirements.

  • Tax Advisors: Given the evolving nature of NFT taxation, it's advisable to consult with tax advisors who are knowledgeable about cryptocurrency tax laws in your jurisdiction. They can help you understand your tax obligations and optimize your tax strategy.

Navigating the legalities of NFTs is essential for both creators and collectors.

As the NFT space continues to evolve, legal frameworks and regulations may change, so staying informed and seeking professional legal and tax advice when needed is crucial.

By understanding copyright, licensing, provenance, and tax implications, you can engage in NFT transactions with confidence and legal compliance.

NFTs and Environmental Impact

The environmental sustainability of NFTs has become a topic of increasing concern and discussion within the blockchain community and beyond.

The primary environmental concern stems from the energy consumption associated with blockchain networks.

  • Energy Consumption: Minting and trading NFTs on PoW blockchains consume a significant amount of electricity. The process of creating and validating new blocks and transactions, known as mining, requires powerful computers running 24/7. As a result, PoW blockchains have been criticized for their high energy usage.

  • Carbon Footprint: The energy consumption associated with PoW blockchains directly contributes to their carbon footprint. Some estimates have suggested that the carbon emissions associated with certain blockchain networks are comparable to those of small countries. This has raised concerns about the sustainability of NFTs, especially when they gain mainstream adoption.

  • Eco-Friendly Alternatives: In response to these concerns, there has been a growing interest in eco-friendly blockchain alternatives. For example, some blockchain networks, like Ethereum 2.0, are transitioning from PoW to proof-of-stake (PoS) consensus mechanisms. PoS is generally considered more energy-efficient because it doesn't require energy-intensive mining activities.

  • NFT Platforms and Sustainability: Some NFT platforms have taken steps to address environmental concerns. For instance, artists and creators can choose to mint NFTs on more eco-friendly blockchains that uses a PoS consensus mechanism. This allows them to reduce the carbon footprint associated with their NFTs.

  • Carbon Offsets: Some NFT projects and platforms have started implementing carbon offset programs. These initiatives involve investing in projects that reduce or capture greenhouse gas emissions, effectively offsetting the carbon footprint of NFT activities.

  • Layer 2 Solutions: Layer 2 solutions are built on top of existing blockchains and can significantly reduce the energy consumption and associated carbon emissions. These solutions aim to provide a more sustainable and scalable environment for NFTs.

  • Educational Efforts: Increasing awareness about the environmental impact of NFTs is a crucial step. Many NFT communities and organizations are actively educating their members about sustainable practices and encouraging artists and creators to consider the environmental impact when choosing blockchain networks.

Addressing environmental concerns in the NFT space is an ongoing process, and the industry is actively exploring ways to make NFTs more eco-friendly.

It's essential for creators, collectors, and platforms to consider the environmental implications of their NFT activities and to support initiatives that promote sustainability within the NFT ecosystem.

As blockchain technology continues to evolve, finding more sustainable solutions will be critical for the long-term viability of NFTs.

Non-Fungible Tokens (NFTs)

Looking ahead, the future of NFTs is filled with exciting possibilities. As blockchain technology continues to evolve, NFTs are poised to become an integral part of our digital lives, offering new ways to create, own, and interact with digital assets.

Whether it's in the metaverse, the world of virtual fashion, or the realms of authentication and certification, NFTs are set to continue reshaping how we perceive and engage with the digital world.

NFTs represent a transformative force in the tech and blockchain space, with the potential to revolutionize various industries, from art and gaming to entertainment and beyond.

Their uniqueness, combined with blockchain technology, has unlocked unprecedented opportunities for creators, collectors, and enthusiasts to redefine ownership, authenticity, and value in the digital age.

As the NFT ecosystem continues to evolve, staying informed and adaptive to emerging trends and challenges will be essential for those seeking to explore this captivating digital frontier.


Non-Fungible Tokens (NFTs) have taken the tech and blockchain world by storm, representing a groundbreaking innovation that extends beyond the confines of cryptocurrencies. NFTs are digital assets that derive their uniqueness and value from blockchain technology, specifically Ethereum's blockchain, although other blockchain networks are increasingly facilitating NFTs. What sets NFTs apart from traditional cryptocurrencies like Bitcoin or Ethereum is their inherent non-fungibility. While cryptocurrencies are interchangeable, with one unit being identical to another, NFTs are indivisible and irreplaceable, making each one truly unique.

NFT Non fungible token: FAQ

An NFT, or Non-Fungible Token, is a unique digital asset that represents ownership of a specific item, artwork, or piece of content using blockchain technology.

NFTs work by utilizing blockchain technology to create a digital certificate of ownership and authenticity, making each token unique and irreplaceable.

Virtually any digital or digitized item can be tokenized as an NFT, including art, music, videos, in-game assets, virtual real estate, and even tweets.

To create an NFT, you typically need to choose an NFT marketplace, connect your digital wallet, upload your digital asset, add metadata, and mint the NFT using the platform's guidelines.

NFTs on some blockchain networks, particularly those using proof-of-work (PoW), can have a high carbon footprint. However, eco-friendly alternatives like proof-of-stake (PoS) blockchains are gaining popularity to mitigate this concern.

NFT creators can set royalties on their tokens, which means they receive a percentage of the sale price when the NFT is resold in the secondary market. This feature benefits creators by providing ongoing income from their work.

The value of NFTs can vary greatly, and while some have sold for substantial sums, it's important to approach NFTs as investments with caution, considering factors like the creator's reputation, rarity, and market demand.

Legal aspects include copyright and intellectual property rights, licensing agreements, and tax implications related to NFT transactions, all of which may vary by jurisdiction.

Owning an NFT provides digital ownership, authenticity, and provenance, allowing collectors to showcase unique digital assets and potentially participate in emerging virtual economies.

Are you curious about music, art, technology, fashion, humanity, lifestyle, and beer?


If so, then you need to subscribe to the free Likewolf newsletter.

100% privacy. When you sign up, we'll keep you posted.


Portrait of the hottest German Content Creator and Publisher Likewolf
Likewolf's Typewriter

Likewolf writes about music, art, technology, fashion, lifestyle, and more.


Security Maintained Through Cryptographic Techniques