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Cryptogambling / What are NFTs? A Guide to Non-Fungible Tokens

What are NFTs? A Guide to Non-Fungible Tokens

Publish Date: 22/05/2023

NFTs, or non-fungible tokens, have been making headlines in recent years, revolutionizing the way digital assets and collectibles can be owned, bought, and sold online.

While at first glance, they might seem similar to cryptocurrencies like Bitcoin or Ethereum, NFTs have a unique set of characteristics that differentiate them from these more familiar digital currencies.

In economics, the term “fungible” refers to assets or items that can be exchanged for one another, like currency or even commodities like gold.

Non-fungible tokens, on the other hand, represent one-of-a-kind assets in the digital world that cannot be duplicated or interchanged.

This unique quality of NFTs allows them to represent digital or real-world items such as artwork, real estate, and other collectibles, providing a new level of authentication, ownership, and value to these items in the digital space.

As you delve further into the world of NFTs, you’ll discover that these digital tokens come with their own set of complexities and nuances.

However, understanding the basics can provide a sturdy foundation to explore the potential of this rapidly evolving sector in the digital economy.

Understanding NFTs

Non-Fungible Tokens Explained

Non-fungible tokens (NFTs) are digital assets that exist on a blockchain.

They can come in various forms, such as art, music, in-game items, videos, and more. These unique digital assets can be bought, sold, and traded online, often using cryptocurrency as the medium of exchange.

Unique Identifiers and Metadata

Each NFT has a unique identification code and metadata that differentiate it from other tokens.

This means that, unlike cryptocurrencies like Bitcoin or Ethereum, which are fungible and can be exchanged one-for-one, NFTs are inherently unique, and their value cannot be directly compared.

Consider the following example:

  • 1 Bitcoin = 1 Bitcoin (fungible)
  • 1 NFT โ‰  1 NFT (non-fungible)

Fungible vs Non-Fungible Assets

To better understand the difference between fungible and non-fungible assets, let’s explore their key characteristics:

Fungible Assets:

  • Interchangeable: One unit can be exchanged for another unit of the same asset
  • Indistinguishable: Each unit carries the same value and properties

Examples of fungible assets include:

  • Cryptocurrencies (Bitcoin, Ethereum)
  • Cash
  • Precious metals (Gold, Silver)

Non-Fungible Assets:

  • Non-interchangeable: Each asset is unique and cannot be exchanged one-for-one
  • Distinguishable: Each asset has its own value and properties

Examples of non-fungible assets include:

  • NFTs (Artwork, collectibles)
  • Real estate
  • Antiques

By understanding the differences between fungible and non-fungible assets, you can better appreciate the unique nature of NFTs and how they have become popular in various industries, such as art, gaming, and collectibles.

In the world of NFTs, owning a digital asset means having exclusive ownership and proof of authenticity for that particular asset.

History of NFTs


In 2017, Cryptokitties became one of the first examples of NFTs gaining widespread attention.

This blockchain-based game allowed you, the user, to collect, trade, and breed unique digital cats.

Each Cryptokitty was represented as an NFT, meaning each one had its own distinct value and attributes.

The popularity of Cryptokitties led to significant congestion on the Ethereum network and effectively put NFTs on the map.

Nyan Cat

The iconic Nyan Cat, a meme featuring a pixelated cat with the body of a Pop-Tart, flying through space leaving a trail of rainbows, also entered the world of NFTs.

In February 2021, the original Nyan Cat GIF was tokenized as an NFT and sold for 300 ETH (~$590,000 at the time). This sale demonstrated the potential value of internet culture in the world of digital art and collectibles.

Bored Ape Yacht Club

In April 2021, the Bored Ape Yacht Club (BAYC) emerged as a collection of 10,000 unique, hand-drawn digital artworks depicting cartoon apes.

BAYC gained immense popularity with their NFTs, which also granted owners access to various exclusive perks and a community.

Some Bored Ape NFTs have fetched hundreds of thousands or even millions of dollars at auction, further illustrating the power and potential of NFTs in the art and collecting spaces.

NFT Platforms and Marketplaces

In this section, you’ll learn about some popular NFT platforms and marketplaces such as OpenSea, Rarible, Nifty Gateway, and NBA Top Shot.


OpenSea is a decentralized marketplace that allows you to buy, sell, and trade NFTs.

As one of the largest and most popular platforms, OpenSea caters to a wide range of digital assets, such as art, collectibles, and virtual real estate.

The platform supports various blockchain networks, including Ethereum and Binance Smart Chain. You can set up your own digital store to showcase your NFTs or discover new, unique art from other creators.


Rarible is another decentralized NFT marketplace, focused on empowering artists and creators with a democratic approach to issuing and selling NFTs.

Users can mint their own NFTs and set up sales auctions. RARI tokens issued on the platform enable holders to participate in governance and decision-making. Rarible’s open nature encourages innovation and collaboration among its users.

Nifty Gateway

Nifty Gateway is a centralized NFT platform that specializes in partnering with popular artists, brands, and influencers to release exclusive NFT drops.

These premium NFTs are often available for a limited time or in limited quantities, driving high demand and giving collectors an opportunity to own rare digital assets.

Nifty Gateway operates on the Ethereum blockchain and accepts both crypto and fiat payments.

NBA Top Shot

NBA Top Shot is an NFT platform developed in partnership with the National Basketball Association and Dapper Labs, the creators of the popular CryptoKitties game.

It allows you to collect, trade, and showcase officially licensed NBA collectible highlights known as “moments.”

These moments, stored as NFTs on the Flow blockchain, can be bought, sold, or traded in packs, giving basketball fans a unique way to engage with their favorite teams and players.

By exploring these NFT marketplaces, you can start building your own collection, engage with the growing NFT community, and even mint your NFTs to share your creations with the world.

Technology Behind NFTs


Blockchain is the foundational technology behind NFTs.

It’s a decentralized, distributed ledger that records transactions in a secure and transparent manner.

In the case of NFTs, the blockchain is used to verify and secure the ownership and uniqueness of each token.

This enables you to have confidence in the authenticity and rarity of the digital assets you acquire.

Ethereum and Smart Contracts

NFTs are primarily built on the Ethereum blockchain, which is a popular platform for creating and managing smart contracts.

Smart contracts are self-executing contracts with the terms of the agreement directly written into the code.

In the context of NFTs, smart contracts can be used to specify the conditions of ownership, transfer, and even royalties.

Ethereum’s ERC-721 token standard: This standard defines the rules and functions needed to create a unique, non-fungible token. Most NFTs are created using this standard, ensuring interoperability with various marketplaces and wallets.


Flow is an alternative blockchain platform developed by Dapper Labs, the creators of CryptoKitties, one of the earliest NFT projects.

Flow is specifically designed for creating NFTs and decentralized applications (dApps) that involve digital assets, gaming, and collectibles.

Some notable projects built on Flow include NBA Top Shot and CryptoKitties.

Here’s a quick comparison between Ethereum and Flow:

Feature Ethereum Flow
Smart Contracts Yes Yes
Token Standards ERC-721, ERC-1155 Customizable to dApp
Scalability Working to improve Designed for Scalability
Transaction Fees Gas Fees (Variable) Low fees

By understanding the technology that powers NFTs, like blockchain, Ethereum, and Flow, you will be better equipped to navigate the world of non-fungible tokens and make informed decisions related to digital asset ownership and investment.

NFTs in Various Industries


In the art industry, NFTs provide a novel way for artists to tokenize their creations, ensuring their originality and providing a marketplace for trading.

By owning the NFT associated with a piece of digital art, you gain the rights to that unique work, while the artist benefits from royalties each time it’s resold.

This model significantly disrupts the traditional art market and empowers independent creators.


NFTs also play a role in the music industry.

Musicians can tokenize their songs, albums, or even concert tickets.

By doing so, they can bypass intermediaries and build a more direct connection with their fans.

As a fan, owning a music-related NFT could grant you exclusive access to content or events and provide a collectible item with potential value appreciation.


The gaming industry is another area where NFTs have started to make a significant impact.

Game assets, such as in-game items, characters, or virtual lands, can be tokenized as NFTs.

These tokenized assets can then be traded or sold by players, enabling a more dynamic and engaging gaming experience.

You can collect, trade, or sell in-game NFTs to build your virtual portfolio or create new revenue streams.


NFTs have also entered the realm of sports.

Athletes and teams can tokenize digital collectibles or memorabilia, such as trading cards and highlight reels.

As a sports enthusiast, owning an NFT featuring your favorite athlete or team moment can be a unique way to showcase your passion and invest in the world of sports.

Moreover, NFTs can be used for ticketing purposes, providing a more secure and seamless experience for fans.


The entertainment industry is increasingly embracing NFTs for various applications.

Movies, books, and other digital creations can be tokenized and traded as unique assets.

This approach offers creators new ways to monetize their work and fans opportunities to own exclusive pieces of their favorite entertainment.

As a consumer, you may soon find yourself purchasing limited-edition NFTs from your favorite films, TV shows, and more.

Picture of several Bored Ape NFTs and Crypto Punk NFTs


CryptoPunks are one of the earliest and most iconic NFT projects.

Launched in 2017, they consist of a collection of 10,000 unique pixel art characters, each boasting different traits and attributes.

As a digital collector, you may find value in the rarity of specific CryptoPunks based on their outstanding characteristics.

Owning a CryptoPunk NFT symbolizes not only the ownership of a unique digital piece but also a piece of history in the world of NFTs and blockchain technology.


Another popular NFT project is CryptoKitties, which was created in 2017 as a fun and educational way to teach users about blockchain.

In this project, you collect, breed, and trade virtual cats, each with unique genetic traits and appearances.

The scarcity and demand for certain cat traits make CryptoKitties an engaging NFT project.

As a user, you can enjoy the thrill of discovering rare combinations of traits and trading or selling your uniquely-bred cats to other participants.

Key Features CryptoPunks CryptoKitties
Launch Date 2017 2017
Unique Items 10,000 Varies
Theme Pixel Art Virtual Cats

World of Women

The World of Women NFT project celebrates empowerment, diversity, and representation.

With a collection of 10,000 unique digital art pieces depicting women from different cultures and backgrounds, this project not only appreciates art but also promotes female artists and creators.

As a collector, you can take pride in owning these empowering NFTs, knowing that a portion of the project’s proceeds supports organizations and initiatives working towards women’s empowerment and inclusivity.

To summarize:

  • CryptoPunks: Pioneer in the NFT space with 10,000 unique pixel art characters
  • CryptoKitties: Collect, breed, and trade virtual cats with different genetic traits and appearances
  • World of Women: Empowering and diverse digital art collection that supports women’s initiatives and organizations

These popular NFT projects, each with their distinct concepts and objectives, provide an insight into the vast landscape of exciting opportunities in the world of non-fungible tokens.

NFT Use Cases

Digital Art and Collectibles

NFTs have revolutionized the way you can collect and trade digital art.

By creating a unique token on the blockchain, digital artists can now assign value and rareness to their work.

As a collector, you can buy, sell or trade these pieces securely, knowing that the NFT represents proof of ownership and authenticity.

IP Protection and Provenance

For intellectual property (IP) protection, NFTs can help track the origin and ownership of digital assets.

By using the blockchain technology, you can see the complete history of an asset’s transfers and verify its provenance.

This digital ledger prevents forgery and ensures that you as the creator can maintain control over your work even as it changes hands.


NFTs also offer a new way to earn royalties from your work.

When an NFT is sold, a small percentage of the sales price can be automatically transferred back to you as the original creator.

This smart contract feature facilitates ongoing passive income for you, even long after your work has been sold to others.

Bespoke Merchandise

In addition to art and digital assets, NFTs can also be used for bespoke merchandise.

You can create unique, branded tokens linked to physical products or limited-edition collectibles.

Your customers can use these NFTs to claim the item or experience tied to the token, making this an effective way to increase the value and exclusivity of your offerings.

Economics of NFTs

Scarcity and Value

In the world of NFTs, scarcity is an essential concept.

As you may know, NFTs are non-fungible tokens, meaning each token is unique and cannot be exchanged for another token of equal value like traditional currencies or cryptocurrencies.

This uniqueness creates a sense of scarcity, which can drive up the value of a particular NFT.

Artists and creators often intentionally limit the number of NFTs they release, further increasing their scarcity and perceived value.

Trading and Investment

Person sitting at desk trading cryptocurrencies

NFT trading has become a lucrative market for investors and collectors.

Various platforms exist for buying, selling, and trading NFTs, with some of the most well-known being OpenSea, Rarible, and Foundation.

Transactions occur using cryptocurrencies like Ethereum.

As an investor or collector, it’s essential for you to understand the platforms, as well as the NFTs themselves, before diving into the market.

Keep in mind that the value of an NFT is primarily driven by its uniqueness, provenance, and the community surrounding the creator or project.

Conduct research, follow industry trends, and network with other investors to make informed decisions.

Potential Bubble

There’s been significant debate surrounding the sustainability of the NFT market, with some experts pointing to the potential for a bubble.

History has shown that bubbles can form around new technologies and markets, driven by investor hype and speculation.

The rapid increase in NFT values and record sales has raised concerns about whether the market may be overvalued and due for a correction.

Although it’s impossible to predict the future of the NFT market with certainty, it’s crucial for you to stay informed and approach investments cautiously.

Remember that every investment carries some level of risk, and the volatile nature of the NFT market may not be suitable for every investor.

a judge's gavel and scale on a white background

As you venture into the world of NFTs, be aware of copyright and ownership issues that may arise.

When an artist creates a piece of content or artwork, they inherently own the copyright.

However, when they mint an NFT for that piece, the ownership of the token does not automatically equate to ownership of the copyright.

Before purchasing or creating NFTs, understand that the ownership rights of the underlying asset, such as the artwork or content, may not be transferred.

Be cautious about using copyrighted works without permission, as this could lead to legal disputes or infringement claims.

Going a step further, knowing international implications of NFTs will help you broaden your understanding and better protect yourself from potential legal complications.

Environmental Concerns

NFTs, like any other digital asset, are part of the larger blockchain network โ€“ usually Ethereum.

As you involve yourself in the world of NFTs, it’s important to also recognize the environmental impact of this technology.

The process of minting and trading NFTs requires a significant amount of energy consumption, as transactions are verified and recorded on the blockchain through the process known as mining.

This energy consumption contributes to the overall environmental toll of the blockchain technology, leading to concerns over its sustainability.

Weigh the potential benefits of participating in the NFT market against the environmental impact, and consider exploring eco-friendly alternatives or solutions as they become available.

In summary, being mindful of potential legal issues surrounding copyright and ownership, as well as the environmental concerns of NFTs, will aid in making informed decisions in this space.

Challenges and Future of NFTs

Scalability and Interoperability

As you dive into the world of NFTs, you’ll face challenges like scalability and interoperability.

Scalability issues often arise from the high transaction costs and slow networks associated with the Ethereum blockchain, currently the most popular platform for NFTs.

In order for NFTs to grow, platforms must adopt more scalable solutions like sidechains, layer 2 technologies, or alternative blockchains.

Interoperability can be another hurdle.

Currently, NFTs are primarily tied to a single blockchain at a time, limiting the ability to transfer assets across platforms.

To overcome this challenge, NFT projects may need to incorporate cross-chain compatibility or deploy multi-chain solutions.

Mass Adoption

For NFTs to gain mass adoption, there are a few barriers to overcome.

Simplifying the user experience and interface is crucial, especially when it comes to NFT creation, trading, and management.

As the technology progresses, it’s essential to make NFT marketplaces more accessible to the average user, minimizing any steep learning curves associated with blockchain technology.

In addition, addressing concerns about the environmental impact of NFTs will be necessary to garner broader support.

Moving toward greener alternatives like proof-of-stake blockchains or energy-efficient hashing algorithms will make NFTs more appealing to a wider audience.

Development of New Use Cases

While art, collectibles, and gaming currently dominate the NFT market, exploring new use cases will drive the future growth of NFTs. Examples of potential applications include:

  • Tokenizing physical assets like real estate or luxury goods
  • Representing fractional ownership in high-value items
  • Simplifying copyright and royalty management through smart contracts

As you navigate the NFT landscape, keep an eye out for innovative applications and industries that can benefit from the unique properties of non-fungible tokens.

By pushing the boundaries of NFT use cases, the technology will continue evolving and adapting to new demands and opportunities.


In summary, NFTs have revolutionized the digital asset market by offering a way for you to authenticate and prove ownership of digital items.

As a result, the value of digital art, collectibles, and other unique items has significantly increased.

By understanding the basics of NFTs, like the fact they are unique, owned, and transferable digital tokens, you can effectively participate in this fast-growing market.

Keep in mind that when dealing with NFTs, you’ll often use cryptocurrency and blockchain technology.

As you explore the NFT marketplace, remember the importance of having a supportive community in determining the value and potential growth of an NFT project.

Early adopters play a significant role in the success and adoption of NFTs by providing feedback and acting as evangelists for new products.

While NFTs may seem like a temporary trend, the market has shown tremendous growth already, making it clear that this technology is here to stay.

As you navigate the NFT landscape, always remember to do thorough research before investing in a particular project or token.

Now equipped with an understanding of NFTs, you can confidently participate in this exciting digital frontier and explore the unique value and opportunities provided by non-fungible tokens.

NFT Frequently Asked Questions

โ“What are NFTs?

NFTs, or Non-Fungible Tokens, are digital assets that offer unique ownership to one person. They are tokenized on a blockchain and assigned distinct identification codes and metadata, distinguishing them from other tokens. While you can still copy an NFTโ€™s digital file, the NFT itself provides proof of ownership for the underlying asset.

๐Ÿ’กHow do NFTs work?

NFTs are generally built using the same kind of programming as cryptocurrencies like Bitcoin or Ethereum. However, they differ in that they arenโ€™t interchangeable. Think of them as digital collectibles with varying rarity and value. Each NFT has its unique value, derived from its uniqueness and collectibility.

๐Ÿ“ฒ What can be tokenized as an NFT?

Virtually any digital or physical item can be tokenized as an NFT. Here are some examples:

ArtworkCollectibles (e.g., trading cards, action figures)Virtual real estateDomain namesEvent ticketsMusic and video ownership

๐Ÿ”Ž Why are NFTs valuable?

The value of NFTs lies in their scarcity and uniqueness. Since each NFT represents a truly unique and rare asset, owning an NFT can signify exclusivity. Additionally, creators can establish digital scarcity by limiting the number of NFTs associated with their work. NFTs have also become popular in the world of digital art, where provenance and ownership can be challenging to establish and verify.

๐ŸŽจ How can I make or buy an NFT?

To create an NFT, youโ€™ll need to mint it on a blockchain, like Ethereum. This process typically requires a crypto wallet, some Ether (the cryptocurrency used on the Ethereum network), and a connection to an NFT marketplace or platform that supports NFT creation.

To buy an NFT, you can browse NFT marketplaces like OpenSea, Rarible, or Foundation. Discover the NFT you want to own and place a bid or complete the purchase using a cryptocurrency. Similar to creating an NFT, youโ€™ll need a crypto wallet and some cryptocurrencies to pay for your new NFT.

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