Cryptocurrencies, utility tokens, security tokens, privacy tokens… digital assets and their classifications are multiplying and evolving right alongside cryptographic and blockchain technology.
Non-fungible tokens (NFTs) are another example of the fast-paced change in the industry. In this guide we explore what they are, how they work, and how they’re being used.
Non-fungible tokens are digital assets that contain identifying information recorded in smart contracts.
It’s this information that makes each NFT unique, and as such, they cannot be directly replaced by another token. They cannot be swapped like for like, as no two NFTs are alike. Banknotes, in contrast, can be simply exchanged one for another; if they hold the same value, there is no difference to the holder between, say, one dollar bill and another.
Bitcoin is a fungible token. You can send someone one Bitcoin and they can send one back, and you still have one Bitcoin. (Of course, the value of Bitcoin might change during the time of exchange.) You can also send or receive smaller amounts of one Bitcoin, measured in satoshis (think of satoshis as cents of a Bitcoin), since fungible tokens are divisible.
Non-fungible tokens are not divisible, in the same way that you cannot send someone part of a concert ticket. Part of a concert ticket wouldn’t be worth anything on its own and would not be redeemable.
CryptoKitties collectibles were some of the first non-fungible tokens. Each blockchain-based digital kitten is unique; if you send someone a CryptoKitty and receive a CryptoKitty from someone else, the one you receive will be a completely different CryptoKitty from the one you sent. Collecting different digital kittens is the point of the game.
In late 2018, one player was so desperate to move to a “better location” in the virtual game Decentraland that they were ready to say goodbye to 2,800,000 MANA in order to purchase a land piece in-game. At the time of the deal, that was equivalent to over $215,200.
Non-fungible tokens have unique attributes; they are usually linked to a specific asset. They can be used to prove the ownership of digital items like game skins right through to the ownership of physical assets.
Other tokens are fungible, in the same way as coins or banknotes. Fungible tokens are identical, they have the same attributes and value when exchanged.
As well as for crypto-collectibles like CryptoKitties, non-fungible tokens can be used for digital assets that need to be differentiated from each other in order to prove their value, or scarcity. They can represent everything from virtual land parcels to artworks, to ownership licenses.
Non-fungible tokens are not traded on standard cryptocurrency exchanges, instead they are bought or sold on digital marketplaces like Openbazaar or Decentraland’s LAND marketplace.
Tokens like Bitcoin and Ethereum-based ERC-20 tokens are fungible. Ethereum’s non-fungible token standard, as used by platforms such as CryptoKitties and Decentraland, is ERC-721. Non-fungible tokens can also be created on other smart-contract-enabled blockchains with non-fungible token tools and support. Though Ethereum was the first to be widely used, NEO, EOS and TRON now have NFT standards.
Non-fungible tokens and their smart contracts allow for detailed attributes to be added, like the identity of the owner, rich metadata, or secure file links. The potent of non-fungible tokens to immutably prove digital ownership is an important progression for an increasingly digital world. They could see blockchain’s promise of trustless security applied to the ownership or exchange of almost any asset.
As is the challenge of blockchain to date, non-fungible tokens, their protocols and smart contract technology is still being developed. Creating decentralized applications and platforms for the management and creation of non-fungible tokens is still relatively complicated. There is also the challenge of creating a standard. Blockchain development is fragmented, many developers are working on their own projects. To be successful there may need to be unified protocols and interoperability.
Non-fungible tokens can be purchased on a huge number of NFT marketplaces, including Rarible, OpenSea, and Enjin Marketplace.
Here’s how to get your digital hands on some using Rarible:
Step 1: Head over to the Rarible website and click the ‘Connect’ button on the top right. From here, select the wallet you want to connect to the platform and log in.
You’ll need to accept the terms of service before you can log in.
In our example, we’ll connect using Metamask, a popular web and mobile wallet.
Step 2: Once logged in, search the platform for the NFT you’re looking to purchase.
In our example, we’ll show how you might purchase ‘Hand of Fate’ by Jango. The process will be similar regardless of which NFT you wish to purchase (assuming it is available to purchase outright).
Once you’ve selected the NFT you wish to purchase, click the ‘Buy now’ button.
Step 3: A confirmation window will pop up, asking you to double-check the details of the order.
If you’re happy to continue, click the ‘Proceed to payment’ button to move ahead to the final step.
Step 4: Your wallet click will then pop up asking you to confirm the transaction. Again, if you’re happy to continue, simply confirm the transaction and it will be processed.
Once it has confirmed, your NFT will be deposited directly to your Ethereum address and will be yours to keep.
Note: you may want to avoid buying your NFTs during peak times—otherwise you may end up with an inordinately high gas fee (as per our example below).
A major emerging market for NFTs is the creation of digital collectibles—similar to physical trading cards, they derive value from their scarcity. Numerous brands have started licensing their content for use in digital collectibles; one of the companies at the forefront of the movement is Terra Virtua.
Terra Virtua bills itself as the “home of digital collectibles,” enabling fans to create a digital “Fancave” where they can display their NFT assets. In September of this year, the company released a series of licensed NFTs inspired by the Godfather film trilogy.
Terra Virtua’s CEO, Gary Bracey, told Decrypt that Terra Virtua’s “core mission is to bring NFT’s to the mainstream,” adding that the use of NFTs was inspired by an idea to bridge the digital world from the real world.
“We started to give a lot more thought about creating something a little more dynamic—the main catalyst being to provide something in the digital world that was not practical in the ‘real’ world,” Bracey added.
While Terra Virtua creates NFTs that are inspired by big brands and Hollywood, other NFT marketplaces deal in art, another major NFT industry.
SuperRare is one of the leading players in the emerging NFT-powered digital art space. As its name implies, SuperRare is all about providing a marketplace for rare and valuable pieces of digital art. On SuperRare, artists’ work is authenticated on the Ethereum blockchain, ensuring value. So far, over 11,000 pieces of artwork have been collected by users, according to the SuperRare website.
Although, according to its website, SuperRare is only onboarding a “small number of hand-picked artists,” it’s doing big business. In October 2020, SuperRare reported artwork sales of $4 million on its platform, with artists making $4.6 million after selling over 11,000 artworks.
NFTs are increasingly making their presence felt in the gaming space, too. Decentraland is the world’s first fully decentralized game world, built on the ERC-20 token MANA. Users can spend MANA to buy goods, services and 10x10m plots of virtual land, underpinned by the non-fungible LAND token. Decentraland’s ICO for the MANA token initially raised $20.7 million and sold out within five minutes. A subsequent auction of LAND saw users spend 161 million MANA to buy virtual plots—around $15 million at current prices.
The game world itself is similar to Minecraft; simple blocky graphics and user-generated creations, which include everything from art galleries (where NFTs can be displayed) to simple games built within the game world.
Decentraland supports a number of different NFTs in addition to LAND, including Axie Infinity and the ever-popular CryptoKitties.
Non-fungible tokens are also making waves in one of cryptocurrency’s most intriguing and innovative spaces, the decentralized finance (DeFi) space.
One example of how NFTs are being used in DeFi is Aavegotchi, an experimental startup funded by DeFi money market Aave. Aavegotchis are NFT crypto-collectibles used in a game universe; every Aavegotchi also has Aave’s aTokens staked inside them as collateral, meaning that each one generates yield on Aave. If the owner liquidates their stake, the Aavegotchi disappears.
Another service that’s aiming to bridge the DeFi and NFT communites is Rarible, a decentralized app (or dapp) that enables users to sell digital artwork in the Rarible market.
In July 2020, Rarible launched RARI, a governance token that’s used to reward creators and collectors; it can only be earned through active participation on the platform, a process Rarible terms “marketplace liquidity mining.”
Rarible’s market is—relative to other marketplaces—huge. According to data published by Dune Analytics, Rarible has been dominating NFT sales since September 2020.
If Rarible continues its dominance of this industry, then DeFi is on pace to become synonymous with non-fungible tokens. The NFT industry may be young, but, for some, it is full of potential.
“The race hasn’t really started yet, this is just the warm-up,” Bracey told recently.
The NFT space grew steadily in 2020, with a January 2021 report from DappRadar revealing that daily activity across blockchain games grew 35% during 2020 to around 28,000 daily active unique wallets. In February 2020, NFT marketplace Rarible locked in $1.75 million in seed funding from prominent industry names, including Coinbase Ventures
Meanwhile, NFTs began to trade hands for eye-watering sums. Teen artist FEWOCiOUS sold NFT artwork for tens of thousands of dollars; a Sorare trading card representing soccer player Kylian Mbappé sold for nearly $65,000; a Nifty Gateway auction of digital artist Beeple’s work saw one bidder pay $777,777 for a collection of pieces at the last second; a 24×24 pixel image sold for $176,000. NFT mania hit new heights in February 2020, when an Ethereum project called Hashmasks saw 16,000 pieces of NFT art sell for $9 million.
Big money was accompanied by ever-bigger names, as artists and celebrities seized the opportunity to cash in. Rapper Lil Yachty; Rick & Morty creator Justin Roiland; DJ deadmau5; and YouTuber Logan Paul were among those who launched NFTs.
For the time being, much of the attention around non-fungible tokens is focused on artwork, gaming and crypto collectibles. Increasingly, recognizable brands are licensing their content for NFTs; fantasy soccer game Sorare has signed up 100 football clubs to its platform, while the likes of the Smurfs, Minecraft and the BBC’s Doctor Who have all been rendered as NFTs.
For gaming, non-fungible tokens could be used to represent in-game items like skins, potentially allowing them to be ported to new games or traded with other players.
Their potential however is much wider with possible application to copyright and intellectual property rights, ticketing, and the sale and trading of video games.
When most people think about non-fungible tokens (NFTs)—cryptocurrency tokens that are provably unique—they conjure up images of virtual trading cards and digital art marketplaces. But it turn…FeaturesLong ReadsRobert StevensNov 28, 2020
Non-fungible tokens add potential to the creation of security tokens, the tokenization of both digital and real-world assets. Physical assets like property could be tokenized for fractional, or shared, ownership. If these security tokens are non-fungible the assets ownership is completely traceable and clear, even if only tokens representing part ownership are sold.
Further application of non-fungible tokens could be certification such as for qualifications, software licensing, warranties, and even birth and death certificates. The smart contract of a non-fungible token immutably proves the identity of the recipient or owner and could be stored in a digital wallet for ease of access and representation. One day, our digital wallets could contain proof of every certificate, license, and asset, we own.
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