You've probably heard of NFTs: those digital images that sell for millions of dollars. But what are NFTs really? And why are there so many different types?

Imagine you buy a ticket to a concert by your favorite band. The ticket is your unique key that gives you the right to attend the concert. NFT works on the same principle.

NFT is a unique, digital "ticket" to anything. It can be an image, a song, a video, a virtual object, or even just a record of who was the first to post a message in a chat. NFTs cannot be forged, as information about them is stored in a secure, public network, similar to a giant online book.

NFT Standards: How to Create a Ticket

Imagine you want to create your own concert ticket. To do this, you need to choose the right paper, print it with a specific font and add the necessary information.

The same goes for NFTs: there are different standards that determine how to create a "ticket". Each standard offers different capabilities, such as the ability to resell a ticket, add additional features, or link to other objects.

Main NFT Standards:

• ERC-721: This standard is the most popular. It allows you to create unique NFTs that cannot be duplicated. It's like a concert ticket that you can give away or sell, but you can't just copy it.
• ERC-1155: This standard allows you to create NFTs that can be divided into parts. Imagine you can buy not a whole concert ticket, but only a part of it, to watch, for example, only the second set.
• ERC-20: This standard is more for cryptocurrencies rather than for NFTs. However, it can be used to create NFTs that can be divided into shares. Imagine you can buy 1/1000 of a "ticket" to a concert.
• ERC-998: This standard allows you to create NFTs that can own other NFTs. Imagine your concert ticket gives you access to the VIP zone and a free drink.
• ERC-165: This standard allows you to easily determine the functionality of the NFT. For example, you can check if the NFT supports resale or the ability to add additional features.
• ERC-777: This standard allows you to create NFTs that can be transferred to another user instantly, without the need for transaction confirmation.
• ERC-3525: This standard is designed for NFTs that represent intangible objects, such as music, video, text files.
• ERC-4907: This standard allows you to set temporary access rights to the NFT. For example, you can buy an NFT that gives you access to exclusive content for a certain period of time.
• EIP-712: This standard allows you to create NFTs that can be signed with cryptographic keys. This makes them more secure and resistant to forgery.

Different types of NFTs:

• NFT-images: These are the most well-known NFTs, such as the "monkeys" of the Bored Ape Yacht Club.
• NFT-music: You can buy an NFT album or even an NFT song. This will allow you to listen to music, as well as own part of the copyright.
• NFT-games: NFTs are used in video games to create unique items, characters, and even virtual worlds.
• NFT-collectibles: NFTs can be collectible items, such as virtual cards featuring images of your favorite athletes or movie characters.
• NFT-metaverse: NFTs are used to create virtual worlds and objects in the metaverse, such as virtual real estate, clothing, and items.
• NFT-domain names: NFTs can be used to register domain names.
• NFT-certificates: NFTs can be used to create digital certificates, such as certificates of ownership of a car or apartment.

Why so many standards and types?

The variety of NFT standards and types allows you to create different types of digital "tickets" to meet different needs.

For example, to create NFT-games where users can trade virtual items, you need the ERC-1155 standard, which allows you to divide NFTs into parts. And to create unique NFT images that can be collected, the ERC-721 standard is suitable.

Conclusion:

NFTs are more than just a fad. It is a technology that can change our world by creating new ways of owning and exchanging values.

In the future, NFTs can become an important part of our lives, allowing us to own digital assets and participate in the development of the metaverse.

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