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What are Non-Fungible Tokens? Crypto Quidditch

An NFT is a unit of data that can be sold and traded that is recorded on a digital ledger known as a blockchain. The NFT can be linked to a specific digital or physical asset  (such as a file or a physical object) as well as a license to use the asset for a specific purpose. NFTs (together with the underlying asset’s permission to use, copy, or display it) can be exchanged and sold in digital markets.
NFT functions similarly to cryptographic tokens, but unlike cryptocurrencies such as  Bitcoin, they are not interchangeable and thus not fungible. While all bitcoins are the same, each NFT represents a different underlying asset and hence has a different value.  When blockchains string records of cryptographic hash, a collection of characters identifying a set of data, onto previous records, a chain of identifiable data blocks are formed. This cryptographic transaction mechanism enables the authentication of each digital file by generating a digital signature, which is used to track NFT ownership.  Data linkages that lead to specifics such as where the art is held, on the other hand, can perish.

NFTs can represent digital collectibles in the same way as physical card collections do but in an entirely digital manner. 

Tokens that can be used to indicate ownership of one-of-a-kind goods. They allowed us to tokenize items such as art, valuables, and even real estate. They can only have one official owner at a time and are protected by the Ethereum blockchain — no one can change the record of ownership or create a new NFT.
NFT is an abbreviation for non-fungible tokens. Non-fungible is an economic word that can be applied to items such as your furniture, a song file, or your computer. Because of their distinct features, these goods cannot be substituted for others.

Types of NFT 


ERC-721 is a token standard proposed in 2017 that is written in Solidity on the Ethereum blockchain. Using a token standard like ERC-721 makes coding easier, more predictable, and reusable. ERC-721 is the leading standard for creating unique non-fungible tokens for digital collectibles. This token standard provides a mapping of unique identifiers to addresses, allowing the owner of these IDs to be verified.
ERC721 is a more complicated standard than ERC20, with many potential extensions and different contracts. The Open Zeppelin Contracts provide for freedom in how these are integrated, as well as bespoke beneficial expansions.  To learn more about these, consult the API Reference.


ERC-1155, an upgraded standard that goes beyond ERC-721, allows smart contracts to support both fungible and non-fungible tokens. Identifiers in this token standard indicate a variety of asset classifications.
ERC-1155 allows developers to make large-scale token transfers using a smart contract, which reduces the impact on the network and allows them to save money on transaction costs. OpenSea, an NFT platform, has recently created a repository for the ERC-1155 standard.
ERC-1155 is a one-of-a-kind token that accepts both non-fungible (NFTs) and fungible tokens. It is more efficient and faster to use in batch token transfers.  It is referred to as the “next-generation multi-token standard” by Enjin.

Top NFT 

Everydays – The First 5000 Days – ($69,000,000) 

Christie’s sold a vast collection of artworks by Beeple for a record-breaking price of 69 million in its first-ever digital art auction. Beeple has been creating artworks every day since May 2007, with no days off.

CryptoPunk #3100 – 4.200 ETH ($7,580,00) 

The costliest CryptoPunk, like CryptoPunk #7804, is also one of the nine Alien  Punks.
It has a blue-greenish skin tone, similar to the popular cephalopod Squidward from SpongeBob SquarePants. The Alien also wears a blue-and-white headband, which is worn by roughly 406 of the 10,000 characters. The Punk,  which was sold on March 11, 2021, began its journey at $76 in a 2017 bid,  progressing to 2 million, and finally to its current price of $7.58 million.

CryptoPunk #7804 – 4,200 ETH ($7,570,000) 

The uniqueness of CryptoPunk #7804 stems from the fact that it is one of just  9 Alien CryptoPunks from Larva Labs. Aliens, Apes, and Zombies are among the unusual CryptoPunks, in addition to the normal CryptoPunks.
The Alien is adorned with three items: a pair of miniature sunglasses, a  smoking pipe with a few clouds of smoke rising from it, and a front-facing cap. The sale occurred around the same time as CryptoPunk #3100, which outsold #7804 by $10,000.

Most popular NFT tokens 

DeFi Coins (DEFC) 

DeFi Coins (DEFC) is new to the crypto industry, but it is already causing quite a stir. The objective of DeFi Coins is to educate investors on the benefits of the thriving DeFi space and the NFT sub-sector.

Theta (THETA) 

Another project where you can buy NFT coins is Theta network, a video streaming blockchain platform. Theta is a game-changing crypto technology that aspires to alter the way people interact with and enjoy streaming media on the internet.
Theta network, which is supported by two tokens – THETA and TFUEL – enables content creators to give a better streaming experience while also earning a reasonable return on their services. TFUEL is also awarded to users for watching videos.

Chiliz (CHZ) 

Blockchain technology’s application cases are expanding by the day, and crypto protocol Chiliz blockchain has incorporated blockchain into sports.  Chiliz blockchain, with its Fan Tokens, has made it feasible for sports enthusiasts to support their teams even when the pandemic has made social meetings difficult.
Sports fans can utilize the Fans Engagement app to participate,  influence, and vote in club-specific surveys and polls. Holders of Fan Tokens also receive exclusive gifts from their teams and have access to fantastic experiences. They also have gamification, social engagement, and a  scoreboard, making it one of the most promising NFT tokens in the market.

Written by: Akash Ghanate as a part of a community-driven initiative Crypto Quidditch.

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