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NFTs, what are they and how are they used?

Jurica Križanec, Mid Software Developer

Non-Fungible Tokens, or NFTs, have been a hot topic in the digital art and collectibles space. But what are they and why are they so important?

An NFT is a digital asset that proves ownership of a one-of-a-kind item, such as digital work of art or collectible. Unlike ordinary digital documents, which can easily be cloned and shared, each NFT is unique and cannot be replaced by another. This is made possible by blockchain technology, the same technology that cryptocurrencies like Bitcoin are based on.

Blockchain is a distributed, digital ledger that facilitates secure and transparent recording of transactions. When an NFT is created, it is documented on the blockchain and given an exclusive digital signature that cannot be reproduced. This signature symbolizes ownership of the NFT and gives it value.


NFTs offer digital artists and creators a novel way to earn money from their work which was not previously accessible. With traditional digital art, it is easy for anyone to copy and distribute the artwork without the artist's permission or compensation. NFTs provide a solution to this dilemma as they allow creators to sell unique digital items which cannot be replicated and also guarantee the origin and authenticity of the art.

Another advantage of NFTs is that they enable digital art and collectibles to be bought and sold like physical items. This has caused an upsurge in interest for NFTs, with certain ones being sold for millions of dollars. This has also opened up new investment opportunities for art collectors, but critics have noted that the present market is excessively hyped and that buyers mostly want to invest, not necessarily to possess an art piece, so there's a lack of understanding and knowledge among the buyers.

NFTs are not limited just to digital art, they can be used for other forms of digital media, such as music, videos and even tweets. They can also be used to represent ownership of virtual land, items and characters in video games and virtual worlds.

Another thrilling aspect of NFTs is that they assist in preserving and authenticating digital art and other digital content. As NFTs are documented on the blockchain, they make a lasting and secure record of the possession, origin and authenticity of digital asset. This can help protect the rights of artists and creators, as well as generate a permanent record of the artwork's past.


With the introduction of NFTs, gaming and virtual worlds are taking advantage of the technology. NFTs can be used to represent ownership of virtual items like weapons, armor, currency and even digital real estate. This allows gamers to possess genuine virtual assets, and game developers to monetize their virtual spaces in new ways. As an example, developers can offer virtual land, structures or entire cities in their game and establish a marketplace for players to buy, sell and exchange virtual possessions. This builds an economy within the game and also provides players with the opportunity to make real-world money from their in-game assets.

Moreover, NFTs also have a potential to be used in the fashion industry. NFTs can be used to craft digital fashion collections, organize virtual fashion shows and enable designers to launch limited-edition digital clothing, specifically through NFTs. This can also extend to the world of other luxury goods, where brands can use NFTs to prove the authenticity of limited-edition items like handbags, watches, or shoes.

The use of NFTs could be employed in digital identity management. These tokens can generate verifiable digital identities that can be employed for voting, accessing public facilities, or joining online groups. For education, NFTs can serve as a representation of degrees, documents and other types of accreditations. As they are recorded on the blockchain, they generate a secure record of an individual's credentials which can be used to authenticate their identity and qualifications. Additionally, NFTs can be used in charity and philanthropy, allowing donors to monitor the effect of their contributions, and to demonstrate the success of their donations. Furthermore, NFTs can be employed to represent ownership of shares in charity or social enterprises, and also to symbolize impact bonds, which are new investments that allow investors to finance certain projects and results.


Overall, Non-Fungible Tokens are a thrilling and potent technology which can alter our attitude towards digital possession and art. While there is much to learn and find out about NFTs, it is clear that they have the potential to create new opportunities for artists, makers and collectors, as well as to assist in preserving and authenticating digital material.

NFTs are still a fairly recent technology, and the market is constantly transforming. That being said, more and more use cases and developments are expected to take place in this area as more people and organizations grasp the potential of NFTs. Some predictions include interface with the real world, alteration into a standard form of possession, and becoming more open to the general public. It is clear that NFTs are capable of generating fresh possibilities and altering the way we view ownership, provenance and authenticity in various different fields.

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